[INFO] fetching crate isle 0.0.0-reserve...
[INFO] testing isle-0.0.0-reserve against 1.55.0 for beta-1.56-1
[INFO] extracting crate isle 0.0.0-reserve into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate isle 0.0.0-reserve 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 isle 0.0.0-reserve
[INFO] finished tweaking crates.io crate isle 0.0.0-reserve
[INFO] tweaked toml for crates.io crate isle 0.0.0-reserve written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate isle 0.0.0-reserve 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] db3de0ac145a1182961c747dc19545830209a96e2b5c05b632e0e0cc89e23d5c
[INFO] running `Command { std: "docker" "start" "-a" "db3de0ac145a1182961c747dc19545830209a96e2b5c05b632e0e0cc89e23d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3de0ac145a1182961c747dc19545830209a96e2b5c05b632e0e0cc89e23d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3de0ac145a1182961c747dc19545830209a96e2b5c05b632e0e0cc89e23d5c", kill_on_drop: false }`
[INFO] [stdout] db3de0ac145a1182961c747dc19545830209a96e2b5c05b632e0e0cc89e23d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4de682c5b6506005aacf67e58cab0634c12183fb3ae5fbf368b8630873da153a
[INFO] running `Command { std: "docker" "start" "-a" "4de682c5b6506005aacf67e58cab0634c12183fb3ae5fbf368b8630873da153a", kill_on_drop: false }`
[INFO] [stderr]    Compiling isle v0.0.0-reserve (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4de682c5b6506005aacf67e58cab0634c12183fb3ae5fbf368b8630873da153a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de682c5b6506005aacf67e58cab0634c12183fb3ae5fbf368b8630873da153a", kill_on_drop: false }`
[INFO] [stdout] 4de682c5b6506005aacf67e58cab0634c12183fb3ae5fbf368b8630873da153a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 31791381767e17729ac37497a2d8b959f5dc80fb22ee8d7841883dd9800c3554
[INFO] running `Command { std: "docker" "start" "-a" "31791381767e17729ac37497a2d8b959f5dc80fb22ee8d7841883dd9800c3554", kill_on_drop: false }`
[INFO] [stderr]    Compiling isle v0.0.0-reserve (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "31791381767e17729ac37497a2d8b959f5dc80fb22ee8d7841883dd9800c3554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31791381767e17729ac37497a2d8b959f5dc80fb22ee8d7841883dd9800c3554", kill_on_drop: false }`
[INFO] [stdout] 31791381767e17729ac37497a2d8b959f5dc80fb22ee8d7841883dd9800c3554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a0310192dff2e3513a33b034c44a8db1d37cdcc922acd38dc7975a0993673b7e
[INFO] running `Command { std: "docker" "start" "-a" "a0310192dff2e3513a33b034c44a8db1d37cdcc922acd38dc7975a0993673b7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isle-d48e844d66aa243c)
[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" "a0310192dff2e3513a33b034c44a8db1d37cdcc922acd38dc7975a0993673b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0310192dff2e3513a33b034c44a8db1d37cdcc922acd38dc7975a0993673b7e", kill_on_drop: false }`
[INFO] [stdout] a0310192dff2e3513a33b034c44a8db1d37cdcc922acd38dc7975a0993673b7e