[INFO] fetching crate npm_rs 0.2.1...
[INFO] testing npm_rs-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate npm_rs 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate npm_rs 0.2.1 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 npm_rs 0.2.1
[INFO] finished tweaking crates.io crate npm_rs 0.2.1
[INFO] tweaked toml for crates.io crate npm_rs 0.2.1 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6f9f4fd055965323329d745b364c5aca946df07cd7c8168f6c517f09fcd5652d
[INFO] running `Command { std: "docker" "start" "-a" "6f9f4fd055965323329d745b364c5aca946df07cd7c8168f6c517f09fcd5652d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f9f4fd055965323329d745b364c5aca946df07cd7c8168f6c517f09fcd5652d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9f4fd055965323329d745b364c5aca946df07cd7c8168f6c517f09fcd5652d", kill_on_drop: false }`
[INFO] [stdout] 6f9f4fd055965323329d745b364c5aca946df07cd7c8168f6c517f09fcd5652d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ecec0bb71cc72283a68969cbc4211dc016312da11f18efdb6b486d86ab534a4f
[INFO] running `Command { std: "docker" "start" "-a" "ecec0bb71cc72283a68969cbc4211dc016312da11f18efdb6b486d86ab534a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling npm_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "ecec0bb71cc72283a68969cbc4211dc016312da11f18efdb6b486d86ab534a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecec0bb71cc72283a68969cbc4211dc016312da11f18efdb6b486d86ab534a4f", kill_on_drop: false }`
[INFO] [stdout] ecec0bb71cc72283a68969cbc4211dc016312da11f18efdb6b486d86ab534a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 461d8f0bacb3b92fcbd1fb66ca8bdb7fb6e9d2688ff57663187ac7e5bf16eb46
[INFO] running `Command { std: "docker" "start" "-a" "461d8f0bacb3b92fcbd1fb66ca8bdb7fb6e9d2688ff57663187ac7e5bf16eb46", kill_on_drop: false }`
[INFO] [stderr]    Compiling npm_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "461d8f0bacb3b92fcbd1fb66ca8bdb7fb6e9d2688ff57663187ac7e5bf16eb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461d8f0bacb3b92fcbd1fb66ca8bdb7fb6e9d2688ff57663187ac7e5bf16eb46", kill_on_drop: false }`
[INFO] [stdout] 461d8f0bacb3b92fcbd1fb66ca8bdb7fb6e9d2688ff57663187ac7e5bf16eb46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8a141878f3213fe7ea32a6dd125302c9eb66a5335020fcf10689bed4c2cc3a61
[INFO] running `Command { std: "docker" "start" "-a" "8a141878f3213fe7ea32a6dd125302c9eb66a5335020fcf10689bed4c2cc3a61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/npm_rs-c5c29c28b6d18fb0)
[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]    Doc-tests npm_rs
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Npm::custom (line 285) - compile ... ok
[INFO] [stdout] test src/lib.rs - Npm (line 100) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 25) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] test src/lib.rs - NpmEnv (line 85) - compile ... ok
[INFO] [stdout] test src/lib.rs - Npm::exec (line 299) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a141878f3213fe7ea32a6dd125302c9eb66a5335020fcf10689bed4c2cc3a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a141878f3213fe7ea32a6dd125302c9eb66a5335020fcf10689bed4c2cc3a61", kill_on_drop: false }`
[INFO] [stdout] 8a141878f3213fe7ea32a6dd125302c9eb66a5335020fcf10689bed4c2cc3a61