[INFO] cloning repository https://github.com/alex0112/CS2300-nuts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alex0112/CS2300-nuts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex0112%2FCS2300-nuts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex0112%2FCS2300-nuts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91f4098c78b8b9f2aef697d1ce84e6b1a7b77981
[INFO] testing alex0112/CS2300-nuts against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex0112%2FCS2300-nuts" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alex0112/CS2300-nuts
[INFO] finished tweaking git repo https://github.com/alex0112/CS2300-nuts
[INFO] tweaked toml for git repo https://github.com/alex0112/CS2300-nuts written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alex0112/CS2300-nuts on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alex0112/CS2300-nuts 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92042cbe30aebc66bb11888da5f4076bd6b6119462554ec4efe39ccb5cf9f786
[INFO] running `Command { std: "docker" "start" "-a" "92042cbe30aebc66bb11888da5f4076bd6b6119462554ec4efe39ccb5cf9f786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92042cbe30aebc66bb11888da5f4076bd6b6119462554ec4efe39ccb5cf9f786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92042cbe30aebc66bb11888da5f4076bd6b6119462554ec4efe39ccb5cf9f786", kill_on_drop: false }`
[INFO] [stdout] 92042cbe30aebc66bb11888da5f4076bd6b6119462554ec4efe39ccb5cf9f786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0369521ed829e26242874daffc48c560d0dceb96c0a9e0ebe18a56fc62421d64
[INFO] running `Command { std: "docker" "start" "-a" "0369521ed829e26242874daffc48c560d0dceb96c0a9e0ebe18a56fc62421d64", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling nuts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl SquareMatrix {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn new(size: usize) -> SquareMatrix {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "0369521ed829e26242874daffc48c560d0dceb96c0a9e0ebe18a56fc62421d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0369521ed829e26242874daffc48c560d0dceb96c0a9e0ebe18a56fc62421d64", kill_on_drop: false }`
[INFO] [stdout] 0369521ed829e26242874daffc48c560d0dceb96c0a9e0ebe18a56fc62421d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f7039301a730013e329c43988c0c02b80e1702ff3ef505dfc6d7e8a244f77d
[INFO] running `Command { std: "docker" "start" "-a" "d0f7039301a730013e329c43988c0c02b80e1702ff3ef505dfc6d7e8a244f77d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d0f7039301a730013e329c43988c0c02b80e1702ff3ef505dfc6d7e8a244f77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f7039301a730013e329c43988c0c02b80e1702ff3ef505dfc6d7e8a244f77d", kill_on_drop: false }`
[INFO] [stdout] d0f7039301a730013e329c43988c0c02b80e1702ff3ef505dfc6d7e8a244f77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20584cbc8689e15da1280042f555fd25ceed48e88255bd4c9b9661c3c10117a9
[INFO] running `Command { std: "docker" "start" "-a" "20584cbc8689e15da1280042f555fd25ceed48e88255bd4c9b9661c3c10117a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nuts-3aac86b5e416d315)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_as_set ... ok
[INFO] [stdout] test tests::test_from_set ... ok
[INFO] [stdout] test tests::test_intersect ... ok
[INFO] [stdout] test tests::test_compose ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] test tests::test_trans_clos ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20584cbc8689e15da1280042f555fd25ceed48e88255bd4c9b9661c3c10117a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20584cbc8689e15da1280042f555fd25ceed48e88255bd4c9b9661c3c10117a9", kill_on_drop: false }`
[INFO] [stdout] 20584cbc8689e15da1280042f555fd25ceed48e88255bd4c9b9661c3c10117a9