[INFO] fetching crate n 0.0.0...
[INFO] testing n-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate n 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate n 0.0.0
[INFO] finished tweaking crates.io crate n 0.0.0
[INFO] tweaked toml for crates.io crate n 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a0495053a877f9bf01340f5e916539c3fa776af55392eee10a031b53a3ae81a
[INFO] running `Command { std: "docker" "start" "-a" "3a0495053a877f9bf01340f5e916539c3fa776af55392eee10a031b53a3ae81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0495053a877f9bf01340f5e916539c3fa776af55392eee10a031b53a3ae81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0495053a877f9bf01340f5e916539c3fa776af55392eee10a031b53a3ae81a", kill_on_drop: false }`
[INFO] [stdout] 3a0495053a877f9bf01340f5e916539c3fa776af55392eee10a031b53a3ae81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f2ff59d5de5681fa273fe1423630847e66d1a4c43b1d6a75b2f5f287cb8f35
[INFO] running `Command { std: "docker" "start" "-a" "e9f2ff59d5de5681fa273fe1423630847e66d1a4c43b1d6a75b2f5f287cb8f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling n v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "e9f2ff59d5de5681fa273fe1423630847e66d1a4c43b1d6a75b2f5f287cb8f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f2ff59d5de5681fa273fe1423630847e66d1a4c43b1d6a75b2f5f287cb8f35", kill_on_drop: false }`
[INFO] [stdout] e9f2ff59d5de5681fa273fe1423630847e66d1a4c43b1d6a75b2f5f287cb8f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 157592eb3eec88d497fa10b108eaa744d78cf5b2df8170ebad1bfde631a9f0cb
[INFO] running `Command { std: "docker" "start" "-a" "157592eb3eec88d497fa10b108eaa744d78cf5b2df8170ebad1bfde631a9f0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling n v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "157592eb3eec88d497fa10b108eaa744d78cf5b2df8170ebad1bfde631a9f0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157592eb3eec88d497fa10b108eaa744d78cf5b2df8170ebad1bfde631a9f0cb", kill_on_drop: false }`
[INFO] [stdout] 157592eb3eec88d497fa10b108eaa744d78cf5b2df8170ebad1bfde631a9f0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b288ea0c2ddb18cd1b6beac1a666b7b28b3359a1a7f125fa4e727c74733235f
[INFO] running `Command { std: "docker" "start" "-a" "5b288ea0c2ddb18cd1b6beac1a666b7b28b3359a1a7f125fa4e727c74733235f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n-1e89f6575bc6d66d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n
[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" "5b288ea0c2ddb18cd1b6beac1a666b7b28b3359a1a7f125fa4e727c74733235f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b288ea0c2ddb18cd1b6beac1a666b7b28b3359a1a7f125fa4e727c74733235f", kill_on_drop: false }`
[INFO] [stdout] 5b288ea0c2ddb18cd1b6beac1a666b7b28b3359a1a7f125fa4e727c74733235f