[INFO] cloning repository https://github.com/Tmplt/d7018e-assignment3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tmplt/d7018e-assignment3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmplt%2Fd7018e-assignment3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmplt%2Fd7018e-assignment3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92eb630c6ba0be093107cea7c739824dfe819f43
[INFO] testing Tmplt/d7018e-assignment3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmplt%2Fd7018e-assignment3" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tmplt/d7018e-assignment3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tmplt/d7018e-assignment3
[INFO] finished tweaking git repo https://github.com/Tmplt/d7018e-assignment3
[INFO] tweaked toml for git repo https://github.com/Tmplt/d7018e-assignment3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/Tmplt/d7018e-assignment3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08704b128a74174aa6a259b2caee5c68c5a69de02c5abbe59e6f0026a6c66dbd
[INFO] running `Command { std: "docker" "start" "-a" "08704b128a74174aa6a259b2caee5c68c5a69de02c5abbe59e6f0026a6c66dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08704b128a74174aa6a259b2caee5c68c5a69de02c5abbe59e6f0026a6c66dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08704b128a74174aa6a259b2caee5c68c5a69de02c5abbe59e6f0026a6c66dbd", kill_on_drop: false }`
[INFO] [stdout] 08704b128a74174aa6a259b2caee5c68c5a69de02c5abbe59e6f0026a6c66dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b73ba75c370a1a32be3827a839932c48d1c901aa7b3dae76f300083f81adf7d
[INFO] running `Command { std: "docker" "start" "-a" "1b73ba75c370a1a32be3827a839932c48d1c901aa7b3dae76f300083f81adf7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling d7018e-assign3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `abc`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let abc: [u32; 4] = [
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.19s
[INFO] running `Command { std: "docker" "inspect" "1b73ba75c370a1a32be3827a839932c48d1c901aa7b3dae76f300083f81adf7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b73ba75c370a1a32be3827a839932c48d1c901aa7b3dae76f300083f81adf7d", kill_on_drop: false }`
[INFO] [stdout] 1b73ba75c370a1a32be3827a839932c48d1c901aa7b3dae76f300083f81adf7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a83363ed43e5a25bb82af42a4ccbbab7a484fe75975c10a8b43ee61c33f628a4
[INFO] running `Command { std: "docker" "start" "-a" "a83363ed43e5a25bb82af42a4ccbbab7a484fe75975c10a8b43ee61c33f628a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling d7018e-assign3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `abc`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let abc: [u32; 4] = [
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.49s
[INFO] running `Command { std: "docker" "inspect" "a83363ed43e5a25bb82af42a4ccbbab7a484fe75975c10a8b43ee61c33f628a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83363ed43e5a25bb82af42a4ccbbab7a484fe75975c10a8b43ee61c33f628a4", kill_on_drop: false }`
[INFO] [stdout] a83363ed43e5a25bb82af42a4ccbbab7a484fe75975c10a8b43ee61c33f628a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a61c13cf405f831fbdae7395d38706f95196fce3f1b01d9134cbed902708f9e
[INFO] running `Command { std: "docker" "start" "-a" "8a61c13cf405f831fbdae7395d38706f95196fce3f1b01d9134cbed902708f9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `abc`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let abc: [u32; 4] = [
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `d7018e-assign3` (bin "d7018e-assign3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d7018e_assign3-0832755c4726cc7c)
[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" "8a61c13cf405f831fbdae7395d38706f95196fce3f1b01d9134cbed902708f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a61c13cf405f831fbdae7395d38706f95196fce3f1b01d9134cbed902708f9e", kill_on_drop: false }`
[INFO] [stdout] 8a61c13cf405f831fbdae7395d38706f95196fce3f1b01d9134cbed902708f9e