[INFO] fetching crate n2 0.0.0...
[INFO] testing n2-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate n2 0.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate n2 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n2 0.0.0
[INFO] finished tweaking crates.io crate n2 0.0.0
[INFO] tweaked toml for crates.io crate n2 0.0.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b33eb5c7d2c2a32d5e6a0620b6b357d1c918ba11cb6f9a531297cc6a03bcbec8
[INFO] running `Command { std: "docker" "start" "-a" "b33eb5c7d2c2a32d5e6a0620b6b357d1c918ba11cb6f9a531297cc6a03bcbec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b33eb5c7d2c2a32d5e6a0620b6b357d1c918ba11cb6f9a531297cc6a03bcbec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33eb5c7d2c2a32d5e6a0620b6b357d1c918ba11cb6f9a531297cc6a03bcbec8", kill_on_drop: false }`
[INFO] [stdout] b33eb5c7d2c2a32d5e6a0620b6b357d1c918ba11cb6f9a531297cc6a03bcbec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37b6f910c05d57e3452a76c4ae2ef85c10c614d2e25e43d5643dccdee94bb09f
[INFO] running `Command { std: "docker" "start" "-a" "37b6f910c05d57e3452a76c4ae2ef85c10c614d2e25e43d5643dccdee94bb09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling n2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "37b6f910c05d57e3452a76c4ae2ef85c10c614d2e25e43d5643dccdee94bb09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b6f910c05d57e3452a76c4ae2ef85c10c614d2e25e43d5643dccdee94bb09f", kill_on_drop: false }`
[INFO] [stdout] 37b6f910c05d57e3452a76c4ae2ef85c10c614d2e25e43d5643dccdee94bb09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9daa1c2e872a77917caf796dd4327f764dd9ea15dfcc12f094a51ad7645139c
[INFO] running `Command { std: "docker" "start" "-a" "c9daa1c2e872a77917caf796dd4327f764dd9ea15dfcc12f094a51ad7645139c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling n2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "c9daa1c2e872a77917caf796dd4327f764dd9ea15dfcc12f094a51ad7645139c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9daa1c2e872a77917caf796dd4327f764dd9ea15dfcc12f094a51ad7645139c", kill_on_drop: false }`
[INFO] [stdout] c9daa1c2e872a77917caf796dd4327f764dd9ea15dfcc12f094a51ad7645139c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00e50d51b6f9e0b841e86d92d57b1c85bd8f3caecf803d8ee7cc7ddccfbce17a
[INFO] running `Command { std: "docker" "start" "-a" "00e50d51b6f9e0b841e86d92d57b1c85bd8f3caecf803d8ee7cc7ddccfbce17a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/n2-44c7b89554004d6e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n2
[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] [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" "00e50d51b6f9e0b841e86d92d57b1c85bd8f3caecf803d8ee7cc7ddccfbce17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e50d51b6f9e0b841e86d92d57b1c85bd8f3caecf803d8ee7cc7ddccfbce17a", kill_on_drop: false }`
[INFO] [stdout] 00e50d51b6f9e0b841e86d92d57b1c85bd8f3caecf803d8ee7cc7ddccfbce17a