[INFO] cloning repository https://github.com/hack3ric/estr4104-rust-lab-parallel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hack3ric/estr4104-rust-lab-parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhack3ric%2Festr4104-rust-lab-parallel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhack3ric%2Festr4104-rust-lab-parallel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15aa3117d29b7d909d2e951dd511b4437c8d5660
[INFO] testing hack3ric/estr4104-rust-lab-parallel against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhack3ric%2Festr4104-rust-lab-parallel" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hack3ric/estr4104-rust-lab-parallel
[INFO] finished tweaking git repo https://github.com/hack3ric/estr4104-rust-lab-parallel
[INFO] tweaked toml for git repo https://github.com/hack3ric/estr4104-rust-lab-parallel written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hack3ric/estr4104-rust-lab-parallel on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hack3ric/estr4104-rust-lab-parallel 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.38
[INFO] [stderr]   Downloaded zerocopy v0.8.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fed6cf0cdd11073b1c7bf915e3dcf450cf55cc75812e692464fcc2c0b6afcde
[INFO] running `Command { std: "docker" "start" "-a" "0fed6cf0cdd11073b1c7bf915e3dcf450cf55cc75812e692464fcc2c0b6afcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fed6cf0cdd11073b1c7bf915e3dcf450cf55cc75812e692464fcc2c0b6afcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fed6cf0cdd11073b1c7bf915e3dcf450cf55cc75812e692464fcc2c0b6afcde", kill_on_drop: false }`
[INFO] [stdout] 0fed6cf0cdd11073b1c7bf915e3dcf450cf55cc75812e692464fcc2c0b6afcde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e46b9d0788138bcbf60fd8695c5be2ffa5ba0d4657a543239ce6820fdbd5ff0
[INFO] running `Command { std: "docker" "start" "-a" "7e46b9d0788138bcbf60fd8695c5be2ffa5ba0d4657a543239ce6820fdbd5ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling estr4104-rust-lab-parallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "7e46b9d0788138bcbf60fd8695c5be2ffa5ba0d4657a543239ce6820fdbd5ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e46b9d0788138bcbf60fd8695c5be2ffa5ba0d4657a543239ce6820fdbd5ff0", kill_on_drop: false }`
[INFO] [stdout] 7e46b9d0788138bcbf60fd8695c5be2ffa5ba0d4657a543239ce6820fdbd5ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4f1b7abc98026359bf5259dab3ef090a39ce6a5fb5fa30edf1178c489eef52e
[INFO] running `Command { std: "docker" "start" "-a" "b4f1b7abc98026359bf5259dab3ef090a39ce6a5fb5fa30edf1178c489eef52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling estr4104-rust-lab-parallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b4f1b7abc98026359bf5259dab3ef090a39ce6a5fb5fa30edf1178c489eef52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f1b7abc98026359bf5259dab3ef090a39ce6a5fb5fa30edf1178c489eef52e", kill_on_drop: false }`
[INFO] [stdout] b4f1b7abc98026359bf5259dab3ef090a39ce6a5fb5fa30edf1178c489eef52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03c892a22f3a2c6d90cee2c21f3bd149a7ba5c1fdec5320698775e2e7285cfbb
[INFO] running `Command { std: "docker" "start" "-a" "03c892a22f3a2c6d90cee2c21f3bd149a7ba5c1fdec5320698775e2e7285cfbb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stderr]   |               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> src/main.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn vector_add(a: &[f32], b: &[f32]) -> Vec<f32> {
[INFO] [stderr]   |                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `estr4104-rust-lab-parallel` (bin "estr4104-rust-lab-parallel" test) generated 2 warnings (run `cargo fix --bin "estr4104-rust-lab-parallel" -p estr4104-rust-lab-parallel --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/estr4104_rust_lab_parallel-266218806599c082)
[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" "03c892a22f3a2c6d90cee2c21f3bd149a7ba5c1fdec5320698775e2e7285cfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c892a22f3a2c6d90cee2c21f3bd149a7ba5c1fdec5320698775e2e7285cfbb", kill_on_drop: false }`
[INFO] [stdout] 03c892a22f3a2c6d90cee2c21f3bd149a7ba5c1fdec5320698775e2e7285cfbb