[INFO] fetching crate simple-cache 0.2.0...
[INFO] testing simple-cache-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simple-cache 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-cache 0.2.0 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 simple-cache 0.2.0
[INFO] finished tweaking crates.io crate simple-cache 0.2.0
[INFO] tweaked toml for crates.io crate simple-cache 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 18184335b9083d42bc136f06f35cec9a54d226dc5de023f2880853ad2416fc1b
[INFO] running `Command { std: "docker" "start" "-a" "18184335b9083d42bc136f06f35cec9a54d226dc5de023f2880853ad2416fc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18184335b9083d42bc136f06f35cec9a54d226dc5de023f2880853ad2416fc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18184335b9083d42bc136f06f35cec9a54d226dc5de023f2880853ad2416fc1b", kill_on_drop: false }`
[INFO] [stdout] 18184335b9083d42bc136f06f35cec9a54d226dc5de023f2880853ad2416fc1b
[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] 4b198425b194d53293d528705e44ad3eb3e8c1fcba5cac8a487ec2239c6ca08b
[INFO] running `Command { std: "docker" "start" "-a" "4b198425b194d53293d528705e44ad3eb3e8c1fcba5cac8a487ec2239c6ca08b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v1.3.2
[INFO] [stderr]    Compiling simple-cache v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4b198425b194d53293d528705e44ad3eb3e8c1fcba5cac8a487ec2239c6ca08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b198425b194d53293d528705e44ad3eb3e8c1fcba5cac8a487ec2239c6ca08b", kill_on_drop: false }`
[INFO] [stdout] 4b198425b194d53293d528705e44ad3eb3e8c1fcba5cac8a487ec2239c6ca08b
[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] 86621494cc7b0ec50e04323f6746301c35cb8eb9cf48abb20a7bab80af4e4053
[INFO] running `Command { std: "docker" "start" "-a" "86621494cc7b0ec50e04323f6746301c35cb8eb9cf48abb20a7bab80af4e4053", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling simple-cache v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "86621494cc7b0ec50e04323f6746301c35cb8eb9cf48abb20a7bab80af4e4053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86621494cc7b0ec50e04323f6746301c35cb8eb9cf48abb20a7bab80af4e4053", kill_on_drop: false }`
[INFO] [stdout] 86621494cc7b0ec50e04323f6746301c35cb8eb9cf48abb20a7bab80af4e4053
[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] 1ceedfaca6595917c4c65d13fd028b7dff30558e4e606879dca0289ecb48e27f
[INFO] running `Command { std: "docker" "start" "-a" "1ceedfaca6595917c4c65d13fd028b7dff30558e4e606879dca0289ecb48e27f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_cache-a18b89044b95a237)
[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 tests/simple.rs (/opt/rustwide/target/debug/deps/simple-1afc7d46b57d9a3a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test insert_and_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-cache
[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" "1ceedfaca6595917c4c65d13fd028b7dff30558e4e606879dca0289ecb48e27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ceedfaca6595917c4c65d13fd028b7dff30558e4e606879dca0289ecb48e27f", kill_on_drop: false }`
[INFO] [stdout] 1ceedfaca6595917c4c65d13fd028b7dff30558e4e606879dca0289ecb48e27f