[INFO] fetching crate supports-color 3.0.2...
[INFO] testing supports-color-3.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate supports-color 3.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate supports-color 3.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate supports-color 3.0.2
[INFO] tweaked toml for crates.io crate supports-color 3.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate supports-color 3.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcaab8029522836e8105db5b05d1fa3a8e0c013889fae961c868e1398f414062
[INFO] running `Command { std: "docker" "start" "-a" "bcaab8029522836e8105db5b05d1fa3a8e0c013889fae961c868e1398f414062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcaab8029522836e8105db5b05d1fa3a8e0c013889fae961c868e1398f414062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaab8029522836e8105db5b05d1fa3a8e0c013889fae961c868e1398f414062", kill_on_drop: false }`
[INFO] [stdout] bcaab8029522836e8105db5b05d1fa3a8e0c013889fae961c868e1398f414062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018c136ee98526a71a41096a841d3a93d23aa10911d086bf634e6565a01890b2
[INFO] running `Command { std: "docker" "start" "-a" "018c136ee98526a71a41096a841d3a93d23aa10911d086bf634e6565a01890b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling supports-color v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "018c136ee98526a71a41096a841d3a93d23aa10911d086bf634e6565a01890b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018c136ee98526a71a41096a841d3a93d23aa10911d086bf634e6565a01890b2", kill_on_drop: false }`
[INFO] [stdout] 018c136ee98526a71a41096a841d3a93d23aa10911d086bf634e6565a01890b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c481e1b9ddf77f1a40730a5a1e191d1772526570c0c1209216cf3fed1c107135
[INFO] running `Command { std: "docker" "start" "-a" "c481e1b9ddf77f1a40730a5a1e191d1772526570c0c1209216cf3fed1c107135", kill_on_drop: false }`
[INFO] [stderr]    Compiling supports-color v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "c481e1b9ddf77f1a40730a5a1e191d1772526570c0c1209216cf3fed1c107135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c481e1b9ddf77f1a40730a5a1e191d1772526570c0c1209216cf3fed1c107135", kill_on_drop: false }`
[INFO] [stdout] c481e1b9ddf77f1a40730a5a1e191d1772526570c0c1209216cf3fed1c107135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8aac5c036a11a4a954364babab2072f72f0b5ae50b0a558d78771e42d3be662c
[INFO] running `Command { std: "docker" "start" "-a" "8aac5c036a11a4a954364babab2072f72f0b5ae50b0a558d78771e42d3be662c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/supports_color-791539f375184ad3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_clicolor_force_ansi ... ok
[INFO] [stdout] test tests::test_on_cached ... ok
[INFO] [stdout] test tests::test_empty_env ... ok
[INFO] [stdout] test tests::test_clicolor_ansi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cached.rs (/opt/rustwide/target/debug/deps/cached-71aabc3f34553b63)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cached_multithreaded ... ok
[INFO] [stderr]    Doc-tests supports_color
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8aac5c036a11a4a954364babab2072f72f0b5ae50b0a558d78771e42d3be662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aac5c036a11a4a954364babab2072f72f0b5ae50b0a558d78771e42d3be662c", kill_on_drop: false }`
[INFO] [stdout] 8aac5c036a11a4a954364babab2072f72f0b5ae50b0a558d78771e42d3be662c