[INFO] fetching crate arena-rs 0.1.1...
[INFO] testing arena-rs-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arena-rs 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate arena-rs 0.1.1 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 arena-rs 0.1.1
[INFO] finished tweaking crates.io crate arena-rs 0.1.1
[INFO] tweaked toml for crates.io crate arena-rs 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate arena-rs 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 609a3e5b9e59e8d710698de2afeae3a0a0f3898b4849b907cc8cb04c3899ed60
[INFO] running `Command { std: "docker" "start" "-a" "609a3e5b9e59e8d710698de2afeae3a0a0f3898b4849b907cc8cb04c3899ed60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "609a3e5b9e59e8d710698de2afeae3a0a0f3898b4849b907cc8cb04c3899ed60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609a3e5b9e59e8d710698de2afeae3a0a0f3898b4849b907cc8cb04c3899ed60", kill_on_drop: false }`
[INFO] [stdout] 609a3e5b9e59e8d710698de2afeae3a0a0f3898b4849b907cc8cb04c3899ed60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4b552da2583d768bcfeceb4bce8d118a6341508f8e962ecefd48d8b8a78bc20b
[INFO] running `Command { std: "docker" "start" "-a" "4b552da2583d768bcfeceb4bce8d118a6341508f8e962ecefd48d8b8a78bc20b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "4b552da2583d768bcfeceb4bce8d118a6341508f8e962ecefd48d8b8a78bc20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b552da2583d768bcfeceb4bce8d118a6341508f8e962ecefd48d8b8a78bc20b", kill_on_drop: false }`
[INFO] [stdout] 4b552da2583d768bcfeceb4bce8d118a6341508f8e962ecefd48d8b8a78bc20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c21691e999347ec3a5324a6026aeabed50243aa185a1f3a8bac39781c49ba66d
[INFO] running `Command { std: "docker" "start" "-a" "c21691e999347ec3a5324a6026aeabed50243aa185a1f3a8bac39781c49ba66d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c21691e999347ec3a5324a6026aeabed50243aa185a1f3a8bac39781c49ba66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21691e999347ec3a5324a6026aeabed50243aa185a1f3a8bac39781c49ba66d", kill_on_drop: false }`
[INFO] [stdout] c21691e999347ec3a5324a6026aeabed50243aa185a1f3a8bac39781c49ba66d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 796b5c5843d25c7e48e26af8e36f62995bb5d75736b2a95f3a9704f6c6f743d4
[INFO] running `Command { std: "docker" "start" "-a" "796b5c5843d25c7e48e26af8e36f62995bb5d75736b2a95f3a9704f6c6f743d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arena_rs-dfd8a27a79470db4)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test out_of_space ... ok
[INFO] [stdout] test single_allocation ... ok
[INFO] [stdout] test multiple_allocations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arena-rs
[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" "796b5c5843d25c7e48e26af8e36f62995bb5d75736b2a95f3a9704f6c6f743d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796b5c5843d25c7e48e26af8e36f62995bb5d75736b2a95f3a9704f6c6f743d4", kill_on_drop: false }`
[INFO] [stdout] 796b5c5843d25c7e48e26af8e36f62995bb5d75736b2a95f3a9704f6c6f743d4