[INFO] fetching crate rust_clear 0.1.0...
[INFO] testing rust_clear-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust_clear 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust_clear 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_clear 0.1.0
[INFO] finished tweaking crates.io crate rust_clear 0.1.0
[INFO] tweaked toml for crates.io crate rust_clear 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rust_clear 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4f4571c2fc7390dbf12b72f4a1cabdc1248fb55f71d76e16b988ffd01efc31b
[INFO] running `Command { std: "docker" "start" "-a" "d4f4571c2fc7390dbf12b72f4a1cabdc1248fb55f71d76e16b988ffd01efc31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4f4571c2fc7390dbf12b72f4a1cabdc1248fb55f71d76e16b988ffd01efc31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f4571c2fc7390dbf12b72f4a1cabdc1248fb55f71d76e16b988ffd01efc31b", kill_on_drop: false }`
[INFO] [stdout] d4f4571c2fc7390dbf12b72f4a1cabdc1248fb55f71d76e16b988ffd01efc31b
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2d4147a1986851a4899de2dcd8cd9e3f9023e46286769d1ae9f2ccc59b8b63
[INFO] running `Command { std: "docker" "start" "-a" "ea2d4147a1986851a4899de2dcd8cd9e3f9023e46286769d1ae9f2ccc59b8b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling rust_clear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "ea2d4147a1986851a4899de2dcd8cd9e3f9023e46286769d1ae9f2ccc59b8b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2d4147a1986851a4899de2dcd8cd9e3f9023e46286769d1ae9f2ccc59b8b63", kill_on_drop: false }`
[INFO] [stdout] ea2d4147a1986851a4899de2dcd8cd9e3f9023e46286769d1ae9f2ccc59b8b63
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111226b2a7073ce29a10da5133af770d87bbfe6fccda0f24471b75a0094ea0ef
[INFO] running `Command { std: "docker" "start" "-a" "111226b2a7073ce29a10da5133af770d87bbfe6fccda0f24471b75a0094ea0ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_clear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "111226b2a7073ce29a10da5133af770d87bbfe6fccda0f24471b75a0094ea0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111226b2a7073ce29a10da5133af770d87bbfe6fccda0f24471b75a0094ea0ef", kill_on_drop: false }`
[INFO] [stdout] 111226b2a7073ce29a10da5133af770d87bbfe6fccda0f24471b75a0094ea0ef
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56c55b8dc2f6fc362e3a3fe7697e189500c50ba1b92baa1dff1c0e71e9d96ebe
[INFO] running `Command { std: "docker" "start" "-a" "56c55b8dc2f6fc362e3a3fe7697e189500c50ba1b92baa1dff1c0e71e9d96ebe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_clear-98477235fe0e60cc)
[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] running `Command { std: "docker" "inspect" "56c55b8dc2f6fc362e3a3fe7697e189500c50ba1b92baa1dff1c0e71e9d96ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c55b8dc2f6fc362e3a3fe7697e189500c50ba1b92baa1dff1c0e71e9d96ebe", kill_on_drop: false }`
[INFO] [stdout] 56c55b8dc2f6fc362e3a3fe7697e189500c50ba1b92baa1dff1c0e71e9d96ebe