[INFO] fetching crate nsutils 0.0.5...
[INFO] testing nsutils-0.0.5 against 1.54.0 for beta-1.55-1
[INFO] extracting crate nsutils 0.0.5 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate nsutils 0.0.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nsutils 0.0.5
[INFO] finished tweaking crates.io crate nsutils 0.0.5
[INFO] tweaked toml for crates.io crate nsutils 0.0.5 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9857ede17822af21bfe0e4771c739ce4b76240d89a932ebee689750a9ab9387
[INFO] running `Command { std: "docker" "start" "-a" "a9857ede17822af21bfe0e4771c739ce4b76240d89a932ebee689750a9ab9387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9857ede17822af21bfe0e4771c739ce4b76240d89a932ebee689750a9ab9387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9857ede17822af21bfe0e4771c739ce4b76240d89a932ebee689750a9ab9387", kill_on_drop: false }`
[INFO] [stdout] a9857ede17822af21bfe0e4771c739ce4b76240d89a932ebee689750a9ab9387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e5b9a955a561131ba09704d05077706c23d078cd8d474c09ab140f1e4b6c31
[INFO] running `Command { std: "docker" "start" "-a" "f7e5b9a955a561131ba09704d05077706c23d078cd8d474c09ab140f1e4b6c31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.4.3
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]    Compiling unshare v0.1.15
[INFO] [stderr]    Compiling nsutils v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nsutils.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 let mut listns = result_nslist.get_mut(&nsid).unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "f7e5b9a955a561131ba09704d05077706c23d078cd8d474c09ab140f1e4b6c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e5b9a955a561131ba09704d05077706c23d078cd8d474c09ab140f1e4b6c31", kill_on_drop: false }`
[INFO] [stdout] f7e5b9a955a561131ba09704d05077706c23d078cd8d474c09ab140f1e4b6c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca417d20cd66ba7f844d605947e495cb6fb7a99e644863ceba55fc78fabe00a
[INFO] running `Command { std: "docker" "start" "-a" "8ca417d20cd66ba7f844d605947e495cb6fb7a99e644863ceba55fc78fabe00a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nsutils v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nsutils.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 let mut listns = result_nslist.get_mut(&nsid).unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "8ca417d20cd66ba7f844d605947e495cb6fb7a99e644863ceba55fc78fabe00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca417d20cd66ba7f844d605947e495cb6fb7a99e644863ceba55fc78fabe00a", kill_on_drop: false }`
[INFO] [stdout] 8ca417d20cd66ba7f844d605947e495cb6fb7a99e644863ceba55fc78fabe00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77e3f9f3bf0e8c8224ae5ccc5e2722d9d3a2458ce10c46bb74f3c6b04ef4d03d
[INFO] running `Command { std: "docker" "start" "-a" "77e3f9f3bf0e8c8224ae5ccc5e2722d9d3a2458ce10c46bb74f3c6b04ef4d03d", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nsutils.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let mut listns = result_nslist.get_mut(&nsid).unwrap();
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nsutils-3f9b3ee6c38c2074)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test nsutils::tests::test_statns_to_nslist ... 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] running `Command { std: "docker" "inspect" "77e3f9f3bf0e8c8224ae5ccc5e2722d9d3a2458ce10c46bb74f3c6b04ef4d03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e3f9f3bf0e8c8224ae5ccc5e2722d9d3a2458ce10c46bb74f3c6b04ef4d03d", kill_on_drop: false }`
[INFO] [stdout] 77e3f9f3bf0e8c8224ae5ccc5e2722d9d3a2458ce10c46bb74f3c6b04ef4d03d
