[INFO] crate cargo-yaml 3.0.0 is already in cache
[INFO] extracting crate cargo-yaml 3.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-yaml/3.0.0
[INFO] extracting crate cargo-yaml 3.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-yaml/3.0.0
[INFO] validating manifest of cargo-yaml-3.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-yaml-3.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-yaml-3.0.0
[INFO] finished frobbing cargo-yaml-3.0.0
[INFO] frobbed toml for cargo-yaml-3.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-yaml/3.0.0/Cargo.toml
[INFO] started frobbing cargo-yaml-3.0.0
[INFO] finished frobbing cargo-yaml-3.0.0
[INFO] frobbed toml for cargo-yaml-3.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-yaml/3.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-yaml-3.0.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-yaml/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b836bf8a2eb3fe862c81f62c2fa9d8bc969ed9a43e6da7a157df4402b80d886b
[INFO] running `"docker" "start" "-a" "b836bf8a2eb3fe862c81f62c2fa9d8bc969ed9a43e6da7a157df4402b80d886b"`
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling cargo-yaml v3.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `color`
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         pub fn color(&self) -> Color {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_enabled`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         pub fn is_enabled(&self) -> bool {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `"docker" "inspect" "b836bf8a2eb3fe862c81f62c2fa9d8bc969ed9a43e6da7a157df4402b80d886b"`
[INFO] running `"docker" "rm" "-f" "b836bf8a2eb3fe862c81f62c2fa9d8bc969ed9a43e6da7a157df4402b80d886b"`
[INFO] [stdout] b836bf8a2eb3fe862c81f62c2fa9d8bc969ed9a43e6da7a157df4402b80d886b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-yaml/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c519b54b7eab5d01e77f98ddbaa94594e9591aca17c33ceae26c202a3be50aa
[INFO] running `"docker" "start" "-a" "9c519b54b7eab5d01e77f98ddbaa94594e9591aca17c33ceae26c202a3be50aa"`
[INFO] [stderr]    Compiling cargo-yaml v3.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `color`
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         pub fn color(&self) -> Color {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_enabled`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         pub fn is_enabled(&self) -> bool {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "9c519b54b7eab5d01e77f98ddbaa94594e9591aca17c33ceae26c202a3be50aa"`
[INFO] running `"docker" "rm" "-f" "9c519b54b7eab5d01e77f98ddbaa94594e9591aca17c33ceae26c202a3be50aa"`
[INFO] [stdout] 9c519b54b7eab5d01e77f98ddbaa94594e9591aca17c33ceae26c202a3be50aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-yaml/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 41d4efb62f1901d46c165bbdca07ee6676cc5fdd312fa8c50e4353b2712207bd
[INFO] running `"docker" "start" "-a" "41d4efb62f1901d46c165bbdca07ee6676cc5fdd312fa8c50e4353b2712207bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_yaml-8645c6429dad3643
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "41d4efb62f1901d46c165bbdca07ee6676cc5fdd312fa8c50e4353b2712207bd"`
[INFO] running `"docker" "rm" "-f" "41d4efb62f1901d46c165bbdca07ee6676cc5fdd312fa8c50e4353b2712207bd"`
[INFO] [stdout] 41d4efb62f1901d46c165bbdca07ee6676cc5fdd312fa8c50e4353b2712207bd