[INFO] cloning repository https://github.com/antekone/skiprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antekone/skiprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantekone%2Fskiprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantekone%2Fskiprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 214cf6beb3a61431482424147e4ffef31d7787e2
[INFO] documenting antekone/skiprs against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantekone%2Fskiprs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antekone/skiprs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antekone/skiprs
[INFO] finished tweaking git repo https://github.com/antekone/skiprs
[INFO] tweaked toml for git repo https://github.com/antekone/skiprs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/antekone/skiprs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.2.14
[INFO] [stderr]   Downloaded docopt v0.6.38
[INFO] [stderr]   Downloaded regex v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0e4d44b15aa604371a1d9c4e0e89c9eda17cf505a2f08e006282f7f6eeaa5be
[INFO] running `Command { std: "docker" "start" "-a" "d0e4d44b15aa604371a1d9c4e0e89c9eda17cf505a2f08e006282f7f6eeaa5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e4d44b15aa604371a1d9c4e0e89c9eda17cf505a2f08e006282f7f6eeaa5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e4d44b15aa604371a1d9c4e0e89c9eda17cf505a2f08e006282f7f6eeaa5be", kill_on_drop: false }`
[INFO] [stdout] d0e4d44b15aa604371a1d9c4e0e89c9eda17cf505a2f08e006282f7f6eeaa5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77a38ed76dd0a9c4fbf1a998c883b6616a30541d537d496b3d1dffc15c875c6
[INFO] running `Command { std: "docker" "start" "-a" "e77a38ed76dd0a9c4fbf1a998c883b6616a30541d537d496b3d1dffc15c875c6", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.2.14
[INFO] [stderr]     Checking regex v0.1.14
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/serialize.rs:331:26
[INFO] [stdout]     |
[INFO] [stdout] 331 |         s.emit_str(&self[])
[INFO] [stdout]     |                          ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/json.rs:1048:44
[INFO] [stdout]      |
[INFO] [stdout] 1048 |             Json::String(ref s) => Some(&s[]),
[INFO] [stdout]      |                                            ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/json.rs:2143:63
[INFO] [stdout]      |
[INFO] [stdout] 2143 |         let idx = match names.iter().position(|n| *n == &name[]) {
[INFO] [stdout]      |                   ----- while parsing this `match` expression ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/json.rs:3369:43
[INFO] [stdout]      |
[INFO] [stdout] 3369 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stdout]      |                                           ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/json.rs:3385:43
[INFO] [stdout]      |
[INFO] [stdout] 3385 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stdout]      |                                           ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/json.rs:3425:45
[INFO] [stdout]      |
[INFO] [stdout] 3425 |             let printed = from_utf8(&writer[]).unwrap();
[INFO] [stdout]      |                                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 373 | extern crate unicode;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/re.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::borrow::IntoCow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::string::CowString`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/re.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::string::CowString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^---------
[INFO] [stdout]    |     |            |
[INFO] [stdout]    |     |            help: a similar name exists in the module: `ToString`
[INFO] [stdout]    |     no `CowString` in `string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::slice::SliceExt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/vm.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::slice::SliceExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ no `SliceExt` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found module `iter::range`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:570:22
[INFO] [stdout]     |
[INFO] [stdout] 570 |             for _ in iter::range(0, min) {
[INFO] [stdout]     |                      ^^^^^^^^^^^ not a function
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 11  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `range`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 570 -             for _ in iter::range(0, min) {
[INFO] [stdout] 570 +             for _ in range(0, min) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found module `iter::range`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:578:22
[INFO] [stdout]     |
[INFO] [stdout] 578 |             for _ in iter::range(0, min) {
[INFO] [stdout]     |                      ^^^^^^^^^^^ not a function
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 11  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `range`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 578 -             for _ in iter::range(0, min) {
[INFO] [stdout] 578 +             for _ in range(0, min) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found module `iter::range`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:582:26
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 for _ in iter::range(min, max.unwrap()) {
[INFO] [stdout]     |                          ^^^^^^^^^^^ not a function
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 11  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `range`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 582 -                 for _ in iter::range(min, max.unwrap()) {
[INFO] [stdout] 582 +                 for _ in range(min, max.unwrap()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:687:20
[INFO] [stdout]     |
[INFO] [stdout] 687 |         match num::from_str_radix::<u32>(s.as_slice(), 8) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str_radix` in module `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:731:20
[INFO] [stdout]     |
[INFO] [stdout] 731 |         match num::from_str_radix::<u32>(s, 16) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/vm.rs:184:22
[INFO] [stdout]     |
[INFO] [stdout] 184 |             for i in range(0, clist.size) {
[INFO] [stdout]     |                      ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 36  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/vm.rs:467:20
[INFO] [stdout]     |
[INFO] [stdout] 467 |             queue: range(0, num_insts).map(|_| {
[INFO] [stdout]     |                    ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 36  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `range` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:570:28
[INFO] [stdout]     |
[INFO] [stdout] 570 |             for _ in iter::range(0, min) {
[INFO] [stdout]     |                            ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `range` is defined here
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/iter/mod.rs:457:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `range` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:578:28
[INFO] [stdout]     |
[INFO] [stdout] 578 |             for _ in iter::range(0, min) {
[INFO] [stdout]     |                            ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `range` is defined here
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/iter/mod.rs:457:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `range` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:582:32
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 for _ in iter::range(min, max.unwrap()) {
[INFO] [stdout]     |                                ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `range` is defined here
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/iter/mod.rs:457:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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 imports `std::collections::DList`, `std::collections::RingBuf`, `std::collections::VecMap`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/collection_impls.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::{DList, RingBuf, BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
[INFO] [stdout]    |                        ^^^^^  ^^^^^^^ no `RingBuf` in `collections`          ^^^^^^ no `VecMap` in `collections`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        no `DList` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![feature(collections, core, unicode)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![feature(collections, core, unicode)]
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:370:31
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![feature(collections, core, unicode)]
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![feature(collections, core, unicode)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/lib.rs:370:31
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![feature(collections, core, unicode)]
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FromError` in module `std::error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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[E0392]: parameter `'r` is never used
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/compile.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct Compiler<'r> {
[INFO] [stdout]     |                 ^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `'r`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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[E0392]: parameter `'a` is never used
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/parse.rs:179:15
[INFO] [stdout]     |
[INFO] [stdout] 179 | struct Parser<'a> {
[INFO] [stdout]     |               ^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/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[E0277]: the trait bound `MatchKind: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/vm.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Copy for MatchKind {}
[INFO] [stdout]    |               ^^^^^^^^^ the trait `Clone` is not implemented for `MatchKind`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/marker.rs:392:1
[INFO] [stdout] help: consider annotating `MatchKind` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Clone)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StepState: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.14/src/vm.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Copy for StepState {}
[INFO] [stdout]     |               ^^^^^^^^^ the trait `Clone` is not implemented for `StepState`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/marker.rs:392:1
[INFO] [stdout] help: consider annotating `StepState` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 98  | #[derive(Clone)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 23 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0392, E0423, E0425, E0432, E0463, E0554, E0603, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` due to 24 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:44
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:60
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:66
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                                                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hash`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:60
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `io`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `std_misc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:44
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/lib.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, collections, unicode, io, std_misc, path, hash, os)]
[INFO] [stdout]    |                                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.14/src/collection_impls.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |     where K: Encodable + Hash< <S as HashState>::Hasher> + Eq,
[INFO] [stdout]     |                          ^^^^--------------------------- help: remove these generics
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 56 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0405, E0425, E0432, E0463, E0554, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 57 previous errors
[INFO] running `Command { std: "docker" "inspect" "e77a38ed76dd0a9c4fbf1a998c883b6616a30541d537d496b3d1dffc15c875c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77a38ed76dd0a9c4fbf1a998c883b6616a30541d537d496b3d1dffc15c875c6", kill_on_drop: false }`
[INFO] [stdout] e77a38ed76dd0a9c4fbf1a998c883b6616a30541d537d496b3d1dffc15c875c6
