[INFO] crate rust-color 0.1.0 is already in cache
[INFO] extracting crate rust-color 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-color/0.1.0
[INFO] extracting crate rust-color 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-color/0.1.0
[INFO] validating manifest of rust-color-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-color-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-color-0.1.0
[INFO] finished frobbing rust-color-0.1.0
[INFO] frobbed toml for rust-color-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-color/0.1.0/Cargo.toml
[INFO] started frobbing rust-color-0.1.0
[INFO] finished frobbing rust-color-0.1.0
[INFO] frobbed toml for rust-color-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-color/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-color-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-color/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d623c8747b37ea73bff9fe4bbad08338bac910dc23a30e01ae456e9ce1acc821
[INFO] running `"docker" "start" "-a" "d623c8747b37ea73bff9fe4bbad08338bac910dc23a30e01ae456e9ce1acc821"`
[INFO] [stderr]    Compiling rust-color v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/colors.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Display, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/colors.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         s = h;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error`
[INFO] [stderr]    --> src/colors.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn error(c: RgbaColorType, d: RgbaColorType) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "d623c8747b37ea73bff9fe4bbad08338bac910dc23a30e01ae456e9ce1acc821"`
[INFO] running `"docker" "rm" "-f" "d623c8747b37ea73bff9fe4bbad08338bac910dc23a30e01ae456e9ce1acc821"`
[INFO] [stdout] d623c8747b37ea73bff9fe4bbad08338bac910dc23a30e01ae456e9ce1acc821
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-color/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55f8adab21b58aca69d460c75020005009c3f6db12d32dab594db9af27e30536
[INFO] running `"docker" "start" "-a" "55f8adab21b58aca69d460c75020005009c3f6db12d32dab594db9af27e30536"`
[INFO] [stderr]    Compiling rust-color v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/colors.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Display, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/colors.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         s = h;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "55f8adab21b58aca69d460c75020005009c3f6db12d32dab594db9af27e30536"`
[INFO] running `"docker" "rm" "-f" "55f8adab21b58aca69d460c75020005009c3f6db12d32dab594db9af27e30536"`
[INFO] [stdout] 55f8adab21b58aca69d460c75020005009c3f6db12d32dab594db9af27e30536
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-color/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] da1809d669d38defc842c8a0e04fa988ad32e1e7786b8b062aab7251d2592d48
[INFO] running `"docker" "start" "-a" "da1809d669d38defc842c8a0e04fa988ad32e1e7786b8b062aab7251d2592d48"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_color-88454a03b89ae3ab
[INFO] [stdout] test colors::tests::test_complement ... ok
[INFO] [stdout] test colors::tests::test_conv ... ok
[INFO] [stdout] test colors::tests::test_into ... ok
[INFO] [stdout] test colors::tests::test_from_array ... ok
[INFO] [stdout] test colors::tests::test_from_bytes ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests rust-color
[INFO] [stdout] test colors::tests::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "da1809d669d38defc842c8a0e04fa988ad32e1e7786b8b062aab7251d2592d48"`
[INFO] running `"docker" "rm" "-f" "da1809d669d38defc842c8a0e04fa988ad32e1e7786b8b062aab7251d2592d48"`
[INFO] [stdout] da1809d669d38defc842c8a0e04fa988ad32e1e7786b8b062aab7251d2592d48