[INFO] crate divrem 0.1.0 is already in cache
[INFO] testing divrem-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate divrem 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate divrem 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate divrem 0.1.0
[INFO] finished tweaking crates.io crate divrem 0.1.0
[INFO] tweaked toml for crates.io crate divrem 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] aee7fb823b3962c2c47948648b8635fbc8ce0bd04a050fe71039e5d52ddb15d6
[INFO] running `"docker" "start" "-a" "aee7fb823b3962c2c47948648b8635fbc8ce0bd04a050fe71039e5d52ddb15d6"`
[INFO] [stderr]    Compiling divrem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "aee7fb823b3962c2c47948648b8635fbc8ce0bd04a050fe71039e5d52ddb15d6"`
[INFO] running `"docker" "rm" "-f" "aee7fb823b3962c2c47948648b8635fbc8ce0bd04a050fe71039e5d52ddb15d6"`
[INFO] [stdout] aee7fb823b3962c2c47948648b8635fbc8ce0bd04a050fe71039e5d52ddb15d6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cc6f4d8dd126962da47629882510dacd1d9536424b197e0090911b264c568803
[INFO] running `"docker" "start" "-a" "cc6f4d8dd126962da47629882510dacd1d9536424b197e0090911b264c568803"`
[INFO] [stderr]    Compiling divrem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> tests/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> tests/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(concat_idents)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DivEuclid`
[INFO] [stderr]   --> tests/lib.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |     use divrem::{DivEuclid, DivRemEuclid, RemEuclid};
[INFO] [stderr]    |                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RemEuclid`
[INFO] [stderr]   --> tests/lib.rs:76:43
[INFO] [stderr]    |
[INFO] [stderr] 76 |     use divrem::{DivEuclid, DivRemEuclid, RemEuclid};
[INFO] [stderr]    |                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DivEuclid`
[INFO] [stderr]    --> tests/lib.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use divrem::{DivEuclid, DivRemEuclid, RemEuclid};
[INFO] [stderr]     |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RemEuclid`
[INFO] [stderr]    --> tests/lib.rs:172:43
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use divrem::{DivEuclid, DivRemEuclid, RemEuclid};
[INFO] [stderr]     |                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `divrem`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cc6f4d8dd126962da47629882510dacd1d9536424b197e0090911b264c568803"`
[INFO] running `"docker" "rm" "-f" "cc6f4d8dd126962da47629882510dacd1d9536424b197e0090911b264c568803"`
[INFO] [stdout] cc6f4d8dd126962da47629882510dacd1d9536424b197e0090911b264c568803