[INFO] cloning repository https://github.com/jumang4423/random_sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumang4423/random_sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Frandom_sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Frandom_sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b226d78206ed092f9c11e67f7b1aa73e20e0427 [INFO] testing jumang4423/random_sort 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%2Fjumang4423%2Frandom_sort" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jumang4423/random_sort 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/jumang4423/random_sort [INFO] finished tweaking git repo https://github.com/jumang4423/random_sort [INFO] tweaked toml for git repo https://github.com/jumang4423/random_sort written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jumang4423/random_sort 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f9a15f8a484c60361ad7342c2fd0e10b652e103f4d5c140ab9442b1d09bf4fde [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" "f9a15f8a484c60361ad7342c2fd0e10b652e103f4d5c140ab9442b1d09bf4fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9a15f8a484c60361ad7342c2fd0e10b652e103f4d5c140ab9442b1d09bf4fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9a15f8a484c60361ad7342c2fd0e10b652e103f4d5c140ab9442b1d09bf4fde", kill_on_drop: false }` [INFO] [stdout] f9a15f8a484c60361ad7342c2fd0e10b652e103f4d5c140ab9442b1d09bf4fde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ad2efdba15e66311933b748b35429ffbd2ad888d7a1a0a6c9fef6760f813eaba [INFO] running `Command { std: "docker" "start" "-a" "ad2efdba15e66311933b748b35429ffbd2ad888d7a1a0a6c9fef6760f813eaba", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling random_sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 24 | / loop { [INFO] [stdout] 25 | | let new_vec: Vec = vec [INFO] [stdout] 26 | | .choose_multiple(&mut rand::thread_rng(), vec.len()) [INFO] [stdout] 27 | | .cloned() [INFO] [stdout] ... | [INFO] [stdout] 39 | | println!("x: {:?}", new_vec); [INFO] [stdout] 40 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 41 | println!("finished"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.15s [INFO] running `Command { std: "docker" "inspect" "ad2efdba15e66311933b748b35429ffbd2ad888d7a1a0a6c9fef6760f813eaba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2efdba15e66311933b748b35429ffbd2ad888d7a1a0a6c9fef6760f813eaba", kill_on_drop: false }` [INFO] [stdout] ad2efdba15e66311933b748b35429ffbd2ad888d7a1a0a6c9fef6760f813eaba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d5dd75629b1cf47dd54653eda85ca081d878fd25e5d8cd0635457a6ff1b3d7f0 [INFO] running `Command { std: "docker" "start" "-a" "d5dd75629b1cf47dd54653eda85ca081d878fd25e5d8cd0635457a6ff1b3d7f0", kill_on_drop: false }` [INFO] [stderr] Compiling random_sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 24 | / loop { [INFO] [stdout] 25 | | let new_vec: Vec = vec [INFO] [stdout] 26 | | .choose_multiple(&mut rand::thread_rng(), vec.len()) [INFO] [stdout] 27 | | .cloned() [INFO] [stdout] ... | [INFO] [stdout] 39 | | println!("x: {:?}", new_vec); [INFO] [stdout] 40 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 41 | println!("finished"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "d5dd75629b1cf47dd54653eda85ca081d878fd25e5d8cd0635457a6ff1b3d7f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5dd75629b1cf47dd54653eda85ca081d878fd25e5d8cd0635457a6ff1b3d7f0", kill_on_drop: false }` [INFO] [stdout] d5dd75629b1cf47dd54653eda85ca081d878fd25e5d8cd0635457a6ff1b3d7f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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", kill_on_drop: false }` [INFO] [stdout] eef4292b91a597b188d498480465fb63a7ae67f2bbde76975009a79519c8d8ab [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" "eef4292b91a597b188d498480465fb63a7ae67f2bbde76975009a79519c8d8ab", kill_on_drop: false }` [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 24 | / loop { [INFO] [stderr] 25 | | let new_vec: Vec = vec [INFO] [stderr] 26 | | .choose_multiple(&mut rand::thread_rng(), vec.len()) [INFO] [stderr] 27 | | .cloned() [INFO] [stderr] ... | [INFO] [stderr] 39 | | println!("x: {:?}", new_vec); [INFO] [stderr] 40 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 41 | println!("finished"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `random_sort` (bin "random_sort" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/random_sort-09fb0eaa909dc1c9) [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" "eef4292b91a597b188d498480465fb63a7ae67f2bbde76975009a79519c8d8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eef4292b91a597b188d498480465fb63a7ae67f2bbde76975009a79519c8d8ab", kill_on_drop: false }` [INFO] [stdout] eef4292b91a597b188d498480465fb63a7ae67f2bbde76975009a79519c8d8ab