[INFO] fetching crate len 0.1.1...
[INFO] testing len-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate len 0.1.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate len 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate len 0.1.1
[INFO] finished tweaking crates.io crate len 0.1.1
[INFO] tweaked toml for crates.io crate len 0.1.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate len 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7896cb59085a922d5f9052cc2a9d240f80397f1e90ffec21aec86bea0c2ccddc
[INFO] running `Command { std: "docker" "start" "-a" "7896cb59085a922d5f9052cc2a9d240f80397f1e90ffec21aec86bea0c2ccddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7896cb59085a922d5f9052cc2a9d240f80397f1e90ffec21aec86bea0c2ccddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7896cb59085a922d5f9052cc2a9d240f80397f1e90ffec21aec86bea0c2ccddc", kill_on_drop: false }`
[INFO] [stdout] 7896cb59085a922d5f9052cc2a9d240f80397f1e90ffec21aec86bea0c2ccddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9847a18aff849dbfed394199af467c617e47ed8b8ebcb9182d90b91ef328b965
[INFO] running `Command { std: "docker" "start" "-a" "9847a18aff849dbfed394199af467c617e47ed8b8ebcb9182d90b91ef328b965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling len v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "9847a18aff849dbfed394199af467c617e47ed8b8ebcb9182d90b91ef328b965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9847a18aff849dbfed394199af467c617e47ed8b8ebcb9182d90b91ef328b965", kill_on_drop: false }`
[INFO] [stdout] 9847a18aff849dbfed394199af467c617e47ed8b8ebcb9182d90b91ef328b965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1888858ae0c988807778df8553fb72ad25cbf4f7e9704571dc082d11a083fcfe
[INFO] running `Command { std: "docker" "start" "-a" "1888858ae0c988807778df8553fb72ad25cbf4f7e9704571dc082d11a083fcfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling len v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "1888858ae0c988807778df8553fb72ad25cbf4f7e9704571dc082d11a083fcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1888858ae0c988807778df8553fb72ad25cbf4f7e9704571dc082d11a083fcfe", kill_on_drop: false }`
[INFO] [stdout] 1888858ae0c988807778df8553fb72ad25cbf4f7e9704571dc082d11a083fcfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 443e5305438a30241f35104b850df411c002d3ae42faf3764722616dfea4f672
[INFO] running `Command { std: "docker" "start" "-a" "443e5305438a30241f35104b850df411c002d3ae42faf3764722616dfea4f672", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/len-927681a75797c74b)
[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" "443e5305438a30241f35104b850df411c002d3ae42faf3764722616dfea4f672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443e5305438a30241f35104b850df411c002d3ae42faf3764722616dfea4f672", kill_on_drop: false }`
[INFO] [stdout] 443e5305438a30241f35104b850df411c002d3ae42faf3764722616dfea4f672
