[INFO] cloning repository https://github.com/max-frai/three-set-compare-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-frai/three-set-compare-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-frai%2Fthree-set-compare-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-frai%2Fthree-set-compare-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 231e07609d1b481a82ab4a0b116fd035b1f7a76d [INFO] testing max-frai/three-set-compare-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-frai%2Fthree-set-compare-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/max-frai/three-set-compare-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/max-frai/three-set-compare-rs [INFO] finished tweaking git repo https://github.com/max-frai/three-set-compare-rs [INFO] tweaked toml for git repo https://github.com/max-frai/three-set-compare-rs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/max-frai/three-set-compare-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc848f959f070eb0431f6af33b9a182b12c5cea9f79a12326f2f6a7a05453d7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fc848f959f070eb0431f6af33b9a182b12c5cea9f79a12326f2f6a7a05453d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc848f959f070eb0431f6af33b9a182b12c5cea9f79a12326f2f6a7a05453d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc848f959f070eb0431f6af33b9a182b12c5cea9f79a12326f2f6a7a05453d7d", kill_on_drop: false }` [INFO] [stdout] fc848f959f070eb0431f6af33b9a182b12c5cea9f79a12326f2f6a7a05453d7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d31dce51d6fa1fc87376702756caa0330aef4b071ac2717c53c2837a9ed4d546 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d31dce51d6fa1fc87376702756caa0330aef4b071ac2717c53c2837a9ed4d546", kill_on_drop: false }` [INFO] [stderr] Compiling unidecode v0.3.0 [INFO] [stderr] Compiling three-set-compare v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 4.05s [INFO] running `Command { std: "docker" "inspect" "d31dce51d6fa1fc87376702756caa0330aef4b071ac2717c53c2837a9ed4d546", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d31dce51d6fa1fc87376702756caa0330aef4b071ac2717c53c2837a9ed4d546", kill_on_drop: false }` [INFO] [stdout] d31dce51d6fa1fc87376702756caa0330aef4b071ac2717c53c2837a9ed4d546 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b742b953275e010a951b1e40887dd1102c9c8b12446936b28ec98d5d5c29247 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4b742b953275e010a951b1e40887dd1102c9c8b12446936b28ec98d5d5c29247", kill_on_drop: false }` [INFO] [stderr] Compiling assert_approx_eq v1.1.0 [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling three-set-compare v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `test` [INFO] [stdout] --> src/lib.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | use test::Bencher; [INFO] [stdout] | ^^^^ use of undeclared crate or module `test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:146:7 [INFO] [stdout] | [INFO] [stdout] 146 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `three-set-compare` due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4b742b953275e010a951b1e40887dd1102c9c8b12446936b28ec98d5d5c29247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b742b953275e010a951b1e40887dd1102c9c8b12446936b28ec98d5d5c29247", kill_on_drop: false }` [INFO] [stdout] 4b742b953275e010a951b1e40887dd1102c9c8b12446936b28ec98d5d5c29247