[INFO] fetching crate cson 0.1.16...
[INFO] checking cson-0.1.16 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate cson 0.1.16 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cson 0.1.16 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cson 0.1.16
[INFO] finished tweaking crates.io crate cson 0.1.16
[INFO] tweaked toml for crates.io crate cson 0.1.16 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-serialize v0.2.15 (latest: v0.3.25)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.2.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6af0926bace27987413989ccfa3ad54e9715c7d2078a82fccee8f48668309c61
[INFO] running `Command { std: "docker" "start" "-a" "6af0926bace27987413989ccfa3ad54e9715c7d2078a82fccee8f48668309c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af0926bace27987413989ccfa3ad54e9715c7d2078a82fccee8f48668309c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af0926bace27987413989ccfa3ad54e9715c7d2078a82fccee8f48668309c61", kill_on_drop: false }`
[INFO] [stdout] 6af0926bace27987413989ccfa3ad54e9715c7d2078a82fccee8f48668309c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82a17c5cd245d1459ad188de50df7c653c5e6540b82e69a6cdd1fe8599aee17
[INFO] running `Command { std: "docker" "start" "-a" "b82a17c5cd245d1459ad188de50df7c653c5e6540b82e69a6cdd1fe8599aee17", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.2.15
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString};
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `AsOsStr` in `ffi`
[INFO] [stdout]    |                help: a similar name exists in the module: `OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::old_path::{PosixPath, WindowsPath};
[INFO] [stdout]    |          ^^^^^^^^ could not find `old_path` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStrExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::OsStrExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no `OsStrExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStringExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:592:13
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::OsStringExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `OsStringExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::prelude::OsStringExt;
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::VecMap`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/collection_impls.rs:17:84
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::{LinkedList, VecDeque, BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
[INFO] [stdout]    |                                                                                    ^^^^^^ no `VecMap` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/collection_impls.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::hash_state::HashState;
[INFO] [stdout]    |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:249:16
[INFO] [stdout]     |
[INFO] [stdout] 249 | use std::num::{Float, Int};
[INFO] [stdout]     |                ^^^^^  ^^^ no `Int` in `num`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 | use std::{char, f64, fmt, old_io, num, str};
[INFO] [stdout]     |                           ^^^^^^ no `old_io` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FromError` in module `std::error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:418:18
[INFO] [stdout]     |
[INFO] [stdout] 418 | impl std::error::FromError<fmt::Error> for EncoderError {
[INFO] [stdout]     |                  ^^^^^^^^^ not found in `std::error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1090:34
[INFO] [stdout]      |
[INFO] [stdout] 1090 |             Json::U64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1099:34
[INFO] [stdout]      |
[INFO] [stdout] 1099 |             Json::I64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1109:34
[INFO] [stdout]      |
[INFO] [stdout] 1109 |             Json::I64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1110:34
[INFO] [stdout]      |
[INFO] [stdout] 1110 |             Json::U64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2050 |     read_primitive! { read_usize, usize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2050 |     read_primitive! { read_usize, usize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2051 |     read_primitive! { read_u8, u8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2051 |     read_primitive! { read_u8, u8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2052 |     read_primitive! { read_u16, u16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2052 |     read_primitive! { read_u16, u16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2053 |     read_primitive! { read_u32, u32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2053 |     read_primitive! { read_u32, u32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2054 |     read_primitive! { read_u64, u64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2054 |     read_primitive! { read_u64, u64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2055 |     read_primitive! { read_isize, isize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2055 |     read_primitive! { read_isize, isize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2056 |     read_primitive! { read_i8, i8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2056 |     read_primitive! { read_i8, i8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2057 |     read_primitive! { read_i16, i16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2057 |     read_primitive! { read_i16, i16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2058 |     read_primitive! { read_i32, i32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2058 |     read_primitive! { read_i32, i32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2059 |     read_primitive! { read_i64, i64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2059 |     read_primitive! { read_i64, i64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_io`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `std_misc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharacterSet: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `CharacterSet`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `CharacterSet` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 23 + #[derive(Clone)]
[INFO] [stdout] 24 | pub enum CharacterSet {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Newline: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `Newline`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Newline` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 32 + #[derive(Clone)]
[INFO] [stdout] 33 | pub enum Newline {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Config: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `Config`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromBase64Error: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `FromBase64Error`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `FromBase64Error` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 182 + #[derive(Clone)]
[INFO] [stdout] 183 | pub enum FromBase64Error {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromHexError: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/hex.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `FromHexError`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `FromHexError` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 66 + #[derive(Clone)]
[INFO] [stdout] 67 | pub enum FromHexError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `EncoderError: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:322:10
[INFO] [stdout]     |
[INFO] [stdout] 322 | #[derive(Copy, Debug)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `EncoderError`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/marker.rs:403:1
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `EncoderError` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 323 + #[derive(Clone)]
[INFO] [stdout] 324 | pub enum EncoderError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1148:26
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn index(&self, idx: & &str) -> &Json {
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          expected `str`, found `&str`
[INFO] [stdout]      |                          help: change the parameter type to match the trait: `&'a str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, &'a _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &&_) -> &Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1156:33
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn index<'a>(&'a self, idx: &usize) -> &'a Json {
[INFO] [stdout]      |                                 ^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 expected `usize`, found `&usize`
[INFO] [stdout]      |                                 help: change the parameter type to match the trait: `usize`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &_) -> &Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 49 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0405, E0425, E0432, E0463, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 50 previous errors
[INFO] running `Command { std: "docker" "inspect" "b82a17c5cd245d1459ad188de50df7c653c5e6540b82e69a6cdd1fe8599aee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82a17c5cd245d1459ad188de50df7c653c5e6540b82e69a6cdd1fe8599aee17", kill_on_drop: false }`
[INFO] [stdout] b82a17c5cd245d1459ad188de50df7c653c5e6540b82e69a6cdd1fe8599aee17
[INFO] checking cson-0.1.16 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate cson 0.1.16 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cson 0.1.16 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cson 0.1.16
[INFO] finished tweaking crates.io crate cson 0.1.16
[INFO] tweaked toml for crates.io crate cson 0.1.16 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-serialize v0.2.15 (latest: v0.3.25)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c292e7182624dc4b8039feac6ac2b139dbbd9053ad5b4ff11a913736db1daa2
[INFO] running `Command { std: "docker" "start" "-a" "4c292e7182624dc4b8039feac6ac2b139dbbd9053ad5b4ff11a913736db1daa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c292e7182624dc4b8039feac6ac2b139dbbd9053ad5b4ff11a913736db1daa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c292e7182624dc4b8039feac6ac2b139dbbd9053ad5b4ff11a913736db1daa2", kill_on_drop: false }`
[INFO] [stdout] 4c292e7182624dc4b8039feac6ac2b139dbbd9053ad5b4ff11a913736db1daa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b30f3cf50e334aa70c540a8816c1fca342a9fa77becaadeff933a71740a43e5
[INFO] running `Command { std: "docker" "start" "-a" "2b30f3cf50e334aa70c540a8816c1fca342a9fa77becaadeff933a71740a43e5", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.2.15
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate unicode;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString};
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `AsOsStr` in `ffi`
[INFO] [stdout]    |                help: a similar name exists in the module: `OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::old_path::{PosixPath, WindowsPath};
[INFO] [stdout]    |          ^^^^^^^^ could not find `old_path` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStrExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::OsStrExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ no `OsStrExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 572 |         use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::OsStringExt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/serialize.rs:592:13
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::OsStringExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `OsStringExt` in `os::unix`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 592 |         use std::os::unix::prelude::OsStringExt;
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::VecMap`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/collection_impls.rs:17:84
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::{LinkedList, VecDeque, BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
[INFO] [stdout]    |                                                                                    ^^^^^^ no `VecMap` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/collection_impls.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::hash_state::HashState;
[INFO] [stdout]    |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:249:16
[INFO] [stdout]     |
[INFO] [stdout] 249 | use std::num::{Float, Int};
[INFO] [stdout]     |                ^^^^^  ^^^ no `Int` in `num`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 | use std::{char, f64, fmt, old_io, num, str};
[INFO] [stdout]     |                           ^^^^^^ no `old_io` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FromError` in module `std::error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:418:18
[INFO] [stdout]     |
[INFO] [stdout] 418 | impl std::error::FromError<fmt::Error> for EncoderError {
[INFO] [stdout]     |                  ^^^^^^^^^ not found in `std::error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1090:34
[INFO] [stdout]      |
[INFO] [stdout] 1090 |             Json::U64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1099:34
[INFO] [stdout]      |
[INFO] [stdout] 1099 |             Json::I64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1109:34
[INFO] [stdout]      |
[INFO] [stdout] 1109 |             Json::I64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1110:34
[INFO] [stdout]      |
[INFO] [stdout] 1110 |             Json::U64(n) => num::cast(n),
[INFO] [stdout]      |                                  ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2050 |     read_primitive! { read_usize, usize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2050 |     read_primitive! { read_usize, usize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2051 |     read_primitive! { read_u8, u8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2051 |     read_primitive! { read_u8, u8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2052 |     read_primitive! { read_u16, u16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2052 |     read_primitive! { read_u16, u16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2053 |     read_primitive! { read_u32, u32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2053 |     read_primitive! { read_u32, u32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2054 |     read_primitive! { read_u64, u64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2054 |     read_primitive! { read_u64, u64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2055 |     read_primitive! { read_isize, isize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2055 |     read_primitive! { read_isize, isize }
[INFO] [stdout]      |     ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2056 |     read_primitive! { read_i8, i8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2056 |     read_primitive! { read_i8, i8 }
[INFO] [stdout]      |     ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2057 |     read_primitive! { read_i16, i16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2057 |     read_primitive! { read_i16, i16 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2058 |     read_primitive! { read_i32, i32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2058 |     read_primitive! { read_i32, i32 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2022:44
[INFO] [stdout]      |
[INFO] [stdout] 2022 |                 Json::I64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2059 |     read_primitive! { read_i64, i64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:2026:44
[INFO] [stdout]      |
[INFO] [stdout] 2026 |                 Json::U64(f) => match num::cast(f) {
[INFO] [stdout]      |                                            ^^^^ not found in `num`
[INFO] [stdout] ...
[INFO] [stdout] 2059 |     read_primitive! { read_i64, i64 }
[INFO] [stdout]      |     --------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_io`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `std_misc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/lib.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, old_io, std_misc, old_path, path, os)]
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharacterSet: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `CharacterSet`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `CharacterSet` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 23 + #[derive(Clone)]
[INFO] [stdout] 24 | pub enum CharacterSet {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Newline: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `Newline`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Newline` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 32 + #[derive(Clone)]
[INFO] [stdout] 33 | pub enum Newline {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Config: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `Config`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromBase64Error: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/base64.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `FromBase64Error`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `FromBase64Error` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 182 + #[derive(Clone)]
[INFO] [stdout] 183 | pub enum FromBase64Error {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromHexError: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/hex.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `Clone` is not implemented for `FromHexError`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `FromHexError` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 66 + #[derive(Clone)]
[INFO] [stdout] 67 | pub enum FromHexError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `EncoderError: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:322:10
[INFO] [stdout]     |
[INFO] [stdout] 322 | #[derive(Copy, Debug)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `EncoderError`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/marker.rs:403:1
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `EncoderError` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 323 + #[derive(Clone)]
[INFO] [stdout] 324 | pub enum EncoderError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1148:26
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn index(&self, idx: & &str) -> &Json {
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          expected `str`, found `&str`
[INFO] [stdout]      |                          help: change the parameter type to match the trait: `&'a str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, &'a _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &&_) -> &Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.2.15/src/json.rs:1156:33
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn index<'a>(&'a self, idx: &usize) -> &'a Json {
[INFO] [stdout]      |                                 ^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 expected `usize`, found `&usize`
[INFO] [stdout]      |                                 help: change the parameter type to match the trait: `usize`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &_) -> &Json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 49 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0405, E0425, E0432, E0463, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 50 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b30f3cf50e334aa70c540a8816c1fca342a9fa77becaadeff933a71740a43e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b30f3cf50e334aa70c540a8816c1fca342a9fa77becaadeff933a71740a43e5", kill_on_drop: false }`
[INFO] [stdout] 2b30f3cf50e334aa70c540a8816c1fca342a9fa77becaadeff933a71740a43e5
