[INFO] fetching crate sigpool 0.0.1...
[INFO] testing sigpool-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sigpool 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sigpool 0.0.1
[INFO] finished tweaking crates.io crate sigpool 0.0.1
[INFO] tweaked toml for crates.io crate sigpool 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sigpool 0.0.1 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 sigpool 0.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4caf595ab6d50ad90c9bdbaaa6095e5bdcd5ec0aef8b63f0defe1c0cd95e0f6c
[INFO] running `Command { std: "docker" "start" "-a" "4caf595ab6d50ad90c9bdbaaa6095e5bdcd5ec0aef8b63f0defe1c0cd95e0f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4caf595ab6d50ad90c9bdbaaa6095e5bdcd5ec0aef8b63f0defe1c0cd95e0f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4caf595ab6d50ad90c9bdbaaa6095e5bdcd5ec0aef8b63f0defe1c0cd95e0f6c", kill_on_drop: false }`
[INFO] [stdout] 4caf595ab6d50ad90c9bdbaaa6095e5bdcd5ec0aef8b63f0defe1c0cd95e0f6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4cff6c3d9d09fae77d38b8accfc5cce5623cbd0c66d5103dc8d9757a42dc5b4
[INFO] running `Command { std: "docker" "start" "-a" "b4cff6c3d9d09fae77d38b8accfc5cce5623cbd0c66d5103dc8d9757a42dc5b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigpool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b4cff6c3d9d09fae77d38b8accfc5cce5623cbd0c66d5103dc8d9757a42dc5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cff6c3d9d09fae77d38b8accfc5cce5623cbd0c66d5103dc8d9757a42dc5b4", kill_on_drop: false }`
[INFO] [stdout] b4cff6c3d9d09fae77d38b8accfc5cce5623cbd0c66d5103dc8d9757a42dc5b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d3f69cd08851b5a1d07aa58b08a8d76020c1ed4ceb1fbcaf119e215d1fadaf0d
[INFO] running `Command { std: "docker" "start" "-a" "d3f69cd08851b5a1d07aa58b08a8d76020c1ed4ceb1fbcaf119e215d1fadaf0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigpool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d3f69cd08851b5a1d07aa58b08a8d76020c1ed4ceb1fbcaf119e215d1fadaf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f69cd08851b5a1d07aa58b08a8d76020c1ed4ceb1fbcaf119e215d1fadaf0d", kill_on_drop: false }`
[INFO] [stdout] d3f69cd08851b5a1d07aa58b08a8d76020c1ed4ceb1fbcaf119e215d1fadaf0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1905973d1107bba1646ad1d7525532fb6391fcff852dc4f606bcf5b4528cec7d
[INFO] running `Command { std: "docker" "start" "-a" "1905973d1107bba1646ad1d7525532fb6391fcff852dc4f606bcf5b4528cec7d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sigpool-0a6982601d42e02c)
[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" "1905973d1107bba1646ad1d7525532fb6391fcff852dc4f606bcf5b4528cec7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1905973d1107bba1646ad1d7525532fb6391fcff852dc4f606bcf5b4528cec7d", kill_on_drop: false }`
[INFO] [stdout] 1905973d1107bba1646ad1d7525532fb6391fcff852dc4f606bcf5b4528cec7d