[INFO] cloning repository https://github.com/Killavus/rust-graceful-kb-interrupt-handling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Killavus/rust-graceful-kb-interrupt-handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillavus%2Frust-graceful-kb-interrupt-handling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillavus%2Frust-graceful-kb-interrupt-handling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1714d07cc16394d050f630aafd734244f4b37dc9
[INFO] testing Killavus/rust-graceful-kb-interrupt-handling against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillavus%2Frust-graceful-kb-interrupt-handling" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Killavus/rust-graceful-kb-interrupt-handling on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Killavus/rust-graceful-kb-interrupt-handling
[INFO] finished tweaking git repo https://github.com/Killavus/rust-graceful-kb-interrupt-handling
[INFO] tweaked toml for git repo https://github.com/Killavus/rust-graceful-kb-interrupt-handling written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/Killavus/rust-graceful-kb-interrupt-handling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6121d3a61d028a9b086cdc2c7a16edd3e78ddbc38d8816ac3d9e2bc60bb5900d
[INFO] running `Command { std: "docker" "start" "-a" "6121d3a61d028a9b086cdc2c7a16edd3e78ddbc38d8816ac3d9e2bc60bb5900d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6121d3a61d028a9b086cdc2c7a16edd3e78ddbc38d8816ac3d9e2bc60bb5900d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6121d3a61d028a9b086cdc2c7a16edd3e78ddbc38d8816ac3d9e2bc60bb5900d", kill_on_drop: false }`
[INFO] [stdout] 6121d3a61d028a9b086cdc2c7a16edd3e78ddbc38d8816ac3d9e2bc60bb5900d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f288bdf34030bdeb9d035c5de280224417dc6bdf8ac08c160fb2257934ab16cb
[INFO] running `Command { std: "docker" "start" "-a" "f288bdf34030bdeb9d035c5de280224417dc6bdf8ac08c160fb2257934ab16cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling rust-graceful-kb-interrupt-handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/main.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let pool = rayon::ThreadPoolBuilder::new()
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ctrlc::set_handler(move || dref.shutdown());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `Command { std: "docker" "inspect" "f288bdf34030bdeb9d035c5de280224417dc6bdf8ac08c160fb2257934ab16cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f288bdf34030bdeb9d035c5de280224417dc6bdf8ac08c160fb2257934ab16cb", kill_on_drop: false }`
[INFO] [stdout] f288bdf34030bdeb9d035c5de280224417dc6bdf8ac08c160fb2257934ab16cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac2e5b5f8677023e5e8d04231d08a5d8d784eea73224a0496b8c62a5abdeff45
[INFO] running `Command { std: "docker" "start" "-a" "ac2e5b5f8677023e5e8d04231d08a5d8d784eea73224a0496b8c62a5abdeff45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-graceful-kb-interrupt-handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/main.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let pool = rayon::ThreadPoolBuilder::new()
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ctrlc::set_handler(move || dref.shutdown());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_graceful_kb_interrupt_handling-bbf0f842ba2d3465)
[INFO] running `Command { std: "docker" "inspect" "ac2e5b5f8677023e5e8d04231d08a5d8d784eea73224a0496b8c62a5abdeff45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2e5b5f8677023e5e8d04231d08a5d8d784eea73224a0496b8c62a5abdeff45", kill_on_drop: false }`
[INFO] [stdout] ac2e5b5f8677023e5e8d04231d08a5d8d784eea73224a0496b8c62a5abdeff45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d332b81f2990f8721a62d42b518f95925ca51c4ea5350923765f4e13bcddb203
[INFO] running `Command { std: "docker" "start" "-a" "d332b81f2990f8721a62d42b518f95925ca51c4ea5350923765f4e13bcddb203", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pool`
[INFO] [stderr]   --> src/main.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |             let pool = rayon::ThreadPoolBuilder::new()
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ctrlc::set_handler(move || dref.shutdown());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-graceful-kb-interrupt-handling` (bin "rust-graceful-kb-interrupt-handling" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_graceful_kb_interrupt_handling-bbf0f842ba2d3465)
[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" "d332b81f2990f8721a62d42b518f95925ca51c4ea5350923765f4e13bcddb203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d332b81f2990f8721a62d42b518f95925ca51c4ea5350923765f4e13bcddb203", kill_on_drop: false }`
[INFO] [stdout] d332b81f2990f8721a62d42b518f95925ca51c4ea5350923765f4e13bcddb203