[INFO] fetching crate concolor-control 0.0.6...
[INFO] testing concolor-control-0.0.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate concolor-control 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate concolor-control 0.0.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concolor-control 0.0.6
[INFO] finished tweaking crates.io crate concolor-control 0.0.6
[INFO] tweaked toml for crates.io crate concolor-control 0.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-query v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a81946177a5e3511c13f90c5740eb3808182094a5caf5db268bd738d1b246cf2
[INFO] running `Command { std: "docker" "start" "-a" "a81946177a5e3511c13f90c5740eb3808182094a5caf5db268bd738d1b246cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a81946177a5e3511c13f90c5740eb3808182094a5caf5db268bd738d1b246cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81946177a5e3511c13f90c5740eb3808182094a5caf5db268bd738d1b246cf2", kill_on_drop: false }`
[INFO] [stdout] a81946177a5e3511c13f90c5740eb3808182094a5caf5db268bd738d1b246cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e6dbecdc7ab91afe1a5c1489b926c94e0222409711976b5dbc24a2aa12e22c
[INFO] running `Command { std: "docker" "start" "-a" "91e6dbecdc7ab91afe1a5c1489b926c94e0222409711976b5dbc24a2aa12e22c", kill_on_drop: false }`
[INFO] [stderr]    Compiling concolor-control v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "91e6dbecdc7ab91afe1a5c1489b926c94e0222409711976b5dbc24a2aa12e22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e6dbecdc7ab91afe1a5c1489b926c94e0222409711976b5dbc24a2aa12e22c", kill_on_drop: false }`
[INFO] [stdout] 91e6dbecdc7ab91afe1a5c1489b926c94e0222409711976b5dbc24a2aa12e22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4ebee6dd698e0d646f9e6659087118e4c7e046538b59e6e820b725fa57ce2b8
[INFO] running `Command { std: "docker" "start" "-a" "b4ebee6dd698e0d646f9e6659087118e4c7e046538b59e6e820b725fa57ce2b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concolor-control v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "b4ebee6dd698e0d646f9e6659087118e4c7e046538b59e6e820b725fa57ce2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ebee6dd698e0d646f9e6659087118e4c7e046538b59e6e820b725fa57ce2b8", kill_on_drop: false }`
[INFO] [stdout] b4ebee6dd698e0d646f9e6659087118e4c7e046538b59e6e820b725fa57ce2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65a83c209a2e13f3b3aa3cdc31f6129011a70a9b0a19f87fa2422286cd046a5b
[INFO] running `Command { std: "docker" "start" "-a" "65a83c209a2e13f3b3aa3cdc31f6129011a70a9b0a19f87fa2422286cd046a5b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concolor_control-847e3fd89f1745cb)
[INFO] [stderr]    Doc-tests concolor-control
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65a83c209a2e13f3b3aa3cdc31f6129011a70a9b0a19f87fa2422286cd046a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a83c209a2e13f3b3aa3cdc31f6129011a70a9b0a19f87fa2422286cd046a5b", kill_on_drop: false }`
[INFO] [stdout] 65a83c209a2e13f3b3aa3cdc31f6129011a70a9b0a19f87fa2422286cd046a5b