[INFO] cloning repository https://github.com/jinjagit/par_iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jinjagit/par_iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinjagit%2Fpar_iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinjagit%2Fpar_iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d959bdec2f0111c8b5d699635d95048fd47f21
[INFO] testing jinjagit/par_iter 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%2Fjinjagit%2Fpar_iter" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jinjagit/par_iter 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/jinjagit/par_iter
[INFO] finished tweaking git repo https://github.com/jinjagit/par_iter
[INFO] tweaked toml for git repo https://github.com/jinjagit/par_iter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jinjagit/par_iter 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 99d785d37fe509e51f770511de5ebc5f0caa498f5ce230da4a37f617c78e2b28
[INFO] running `Command { std: "docker" "start" "-a" "99d785d37fe509e51f770511de5ebc5f0caa498f5ce230da4a37f617c78e2b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99d785d37fe509e51f770511de5ebc5f0caa498f5ce230da4a37f617c78e2b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d785d37fe509e51f770511de5ebc5f0caa498f5ce230da4a37f617c78e2b28", kill_on_drop: false }`
[INFO] [stdout] 99d785d37fe509e51f770511de5ebc5f0caa498f5ce230da4a37f617c78e2b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 80e8b87deba6b2507bb521e201884caad589be531891596772820161cab2cdfd
[INFO] running `Command { std: "docker" "start" "-a" "80e8b87deba6b2507bb521e201884caad589be531891596772820161cab2cdfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling par_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a: Vec<f64> = vec.iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let a: Vec<f64> = vec.par_iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "80e8b87deba6b2507bb521e201884caad589be531891596772820161cab2cdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e8b87deba6b2507bb521e201884caad589be531891596772820161cab2cdfd", kill_on_drop: false }`
[INFO] [stdout] 80e8b87deba6b2507bb521e201884caad589be531891596772820161cab2cdfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c9c4e1b5bbb12365bd8efe168f770415a730b49579ee3519b074204b4f6677d0
[INFO] running `Command { std: "docker" "start" "-a" "c9c4e1b5bbb12365bd8efe168f770415a730b49579ee3519b074204b4f6677d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling par_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a: Vec<f64> = vec.iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let a: Vec<f64> = vec.par_iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/par_iter-9e852e4031d9d7c2)
[INFO] running `Command { std: "docker" "inspect" "c9c4e1b5bbb12365bd8efe168f770415a730b49579ee3519b074204b4f6677d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c4e1b5bbb12365bd8efe168f770415a730b49579ee3519b074204b4f6677d0", kill_on_drop: false }`
[INFO] [stdout] c9c4e1b5bbb12365bd8efe168f770415a730b49579ee3519b074204b4f6677d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f336eb46eac53652941fb6e50343b4c8483468e1efb09d0fd6eb7b5f85e463bb
[INFO] running `Command { std: "docker" "start" "-a" "f336eb46eac53652941fb6e50343b4c8483468e1efb09d0fd6eb7b5f85e463bb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 14 |     let a: Vec<f64> = vec.iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stdout] 
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let a: Vec<f64> = vec.par_iter().map(|x| x.sin().sqrt().atan()).collect();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: `par_iter` (bin "par_iter" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/par_iter-9e852e4031d9d7c2)
[INFO] running `Command { std: "docker" "inspect" "f336eb46eac53652941fb6e50343b4c8483468e1efb09d0fd6eb7b5f85e463bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f336eb46eac53652941fb6e50343b4c8483468e1efb09d0fd6eb7b5f85e463bb", kill_on_drop: false }`
[INFO] [stdout] f336eb46eac53652941fb6e50343b4c8483468e1efb09d0fd6eb7b5f85e463bb