[INFO] fetching crate weight-cache 0.2.3...
[INFO] testing weight-cache-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate weight-cache 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate weight-cache 0.2.3 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 weight-cache 0.2.3
[INFO] finished tweaking crates.io crate weight-cache 0.2.3
[INFO] tweaked toml for crates.io crate weight-cache 0.2.3 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0b703b7c2b13ac8484c3be9b7b9667934c4f80a5e650db48080e243b327dda15
[INFO] running `Command { std: "docker" "start" "-a" "0b703b7c2b13ac8484c3be9b7b9667934c4f80a5e650db48080e243b327dda15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b703b7c2b13ac8484c3be9b7b9667934c4f80a5e650db48080e243b327dda15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b703b7c2b13ac8484c3be9b7b9667934c4f80a5e650db48080e243b327dda15", kill_on_drop: false }`
[INFO] [stdout] 0b703b7c2b13ac8484c3be9b7b9667934c4f80a5e650db48080e243b327dda15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b3f4baaf7db0202ccfb421e471aaf2a3c7a5f7294fc86e945b07c38b4054a865
[INFO] running `Command { std: "docker" "start" "-a" "b3f4baaf7db0202ccfb421e471aaf2a3c7a5f7294fc86e945b07c38b4054a865", kill_on_drop: false }`
[INFO] [stderr]    Compiling weight-cache v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b3f4baaf7db0202ccfb421e471aaf2a3c7a5f7294fc86e945b07c38b4054a865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f4baaf7db0202ccfb421e471aaf2a3c7a5f7294fc86e945b07c38b4054a865", kill_on_drop: false }`
[INFO] [stdout] b3f4baaf7db0202ccfb421e471aaf2a3c7a5f7294fc86e945b07c38b4054a865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 33e3e9716de61334f3d9dc7cf52e67e586c204d0758cd08109b628d8e25b4528
[INFO] running `Command { std: "docker" "start" "-a" "33e3e9716de61334f3d9dc7cf52e67e586c204d0758cd08109b628d8e25b4528", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling weight-cache v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "33e3e9716de61334f3d9dc7cf52e67e586c204d0758cd08109b628d8e25b4528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e3e9716de61334f3d9dc7cf52e67e586c204d0758cd08109b628d8e25b4528", kill_on_drop: false }`
[INFO] [stdout] 33e3e9716de61334f3d9dc7cf52e67e586c204d0758cd08109b628d8e25b4528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 376dd81dd57016d38ccfe78b45754274470a1dfafec7020685cb230d4fb1a9e6
[INFO] running `Command { std: "docker" "start" "-a" "376dd81dd57016d38ccfe78b45754274470a1dfafec7020685cb230d4fb1a9e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/weight_cache-dfaa57a76eeca70a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::should_reject_too_heavy_values ... ok
[INFO] [stdout] test test::should_evict_once_the_size_target_is_hit ... ok
[INFO] [stderr]    Doc-tests weight-cache
[INFO] [stdout] test test::should_not_evict_under_max_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "376dd81dd57016d38ccfe78b45754274470a1dfafec7020685cb230d4fb1a9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376dd81dd57016d38ccfe78b45754274470a1dfafec7020685cb230d4fb1a9e6", kill_on_drop: false }`
[INFO] [stdout] 376dd81dd57016d38ccfe78b45754274470a1dfafec7020685cb230d4fb1a9e6