[INFO] fetching crate cson 0.1.16...
[INFO] checking cson-0.1.16 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cson 0.1.16 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cson 0.1.16 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab727d7bb291c87a44a39c55efc8722f464797cb8a515c7766e63d98bc087c38
[INFO] running `Command { std: "docker" "start" "-a" "ab727d7bb291c87a44a39c55efc8722f464797cb8a515c7766e63d98bc087c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab727d7bb291c87a44a39c55efc8722f464797cb8a515c7766e63d98bc087c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab727d7bb291c87a44a39c55efc8722f464797cb8a515c7766e63d98bc087c38", kill_on_drop: false }`
[INFO] [stdout] ab727d7bb291c87a44a39c55efc8722f464797cb8a515c7766e63d98bc087c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dcc3e7baf5ebd2e3ad545b1b71ea4195da6d2f7fb0551bd2745bcc3cb5da347
[INFO] running `Command { std: "docker" "start" "-a" "8dcc3e7baf5ebd2e3ad545b1b71ea4195da6d2f7fb0551bd2745bcc3cb5da347", 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: aborting due to 41 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0463, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 42 previous errors
[INFO] running `Command { std: "docker" "inspect" "8dcc3e7baf5ebd2e3ad545b1b71ea4195da6d2f7fb0551bd2745bcc3cb5da347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcc3e7baf5ebd2e3ad545b1b71ea4195da6d2f7fb0551bd2745bcc3cb5da347", kill_on_drop: false }`
[INFO] [stdout] 8dcc3e7baf5ebd2e3ad545b1b71ea4195da6d2f7fb0551bd2745bcc3cb5da347
[INFO] checking cson-0.1.16 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate cson 0.1.16 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cson 0.1.16 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a99f7fbc62b310dac4715da74bfb9076e414cfe233b1adf480d6e49b71e2a2
[INFO] running `Command { std: "docker" "start" "-a" "27a99f7fbc62b310dac4715da74bfb9076e414cfe233b1adf480d6e49b71e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a99f7fbc62b310dac4715da74bfb9076e414cfe233b1adf480d6e49b71e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a99f7fbc62b310dac4715da74bfb9076e414cfe233b1adf480d6e49b71e2a2", kill_on_drop: false }`
[INFO] [stdout] 27a99f7fbc62b310dac4715da74bfb9076e414cfe233b1adf480d6e49b71e2a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a7bd1a3d90ccf93bbbb9b3b1c871841240d4513bb03e748b73c74a2ec969187
[INFO] running `Command { std: "docker" "start" "-a" "8a7bd1a3d90ccf93bbbb9b3b1c871841240d4513bb03e748b73c74a2ec969187", 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: aborting due to 41 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0463, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 42 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a7bd1a3d90ccf93bbbb9b3b1c871841240d4513bb03e748b73c74a2ec969187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7bd1a3d90ccf93bbbb9b3b1c871841240d4513bb03e748b73c74a2ec969187", kill_on_drop: false }`
[INFO] [stdout] 8a7bd1a3d90ccf93bbbb9b3b1c871841240d4513bb03e748b73c74a2ec969187
