[INFO] cloning repository https://github.com/Luke-Draper/rust_coding_challenges [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luke-Draper/rust_coding_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9427f8f60aec586083bc8d7bdcc5808b19abdc5 [INFO] testing Luke-Draper/rust_coding_challenges against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luke-Draper/rust_coding_challenges on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Luke-Draper/rust_coding_challenges [INFO] finished tweaking git repo https://github.com/Luke-Draper/rust_coding_challenges [INFO] tweaked toml for git repo https://github.com/Luke-Draper/rust_coding_challenges written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Luke-Draper/rust_coding_challenges already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] ef873199c5a2ed708d600e551723e10001a18977a479ffeb808a0cffff24c576 [INFO] running `Command { std: "docker" "start" "-a" "ef873199c5a2ed708d600e551723e10001a18977a479ffeb808a0cffff24c576", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef873199c5a2ed708d600e551723e10001a18977a479ffeb808a0cffff24c576", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef873199c5a2ed708d600e551723e10001a18977a479ffeb808a0cffff24c576", kill_on_drop: false }` [INFO] [stdout] ef873199c5a2ed708d600e551723e10001a18977a479ffeb808a0cffff24c576 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1da23fbac58262a393dcd1a1dc68b1cc4c64ef912eccd146b42458098b89b1f8 [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" "1da23fbac58262a393dcd1a1dc68b1cc4c64ef912eccd146b42458098b89b1f8", kill_on_drop: false }` [INFO] [stderr] Compiling rust_coding_challenges v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/daily_challenge_1.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | 'inner: for j in (i + 1)..l.len() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` 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 0.37s [INFO] running `Command { std: "docker" "inspect" "1da23fbac58262a393dcd1a1dc68b1cc4c64ef912eccd146b42458098b89b1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1da23fbac58262a393dcd1a1dc68b1cc4c64ef912eccd146b42458098b89b1f8", kill_on_drop: false }` [INFO] [stdout] 1da23fbac58262a393dcd1a1dc68b1cc4c64ef912eccd146b42458098b89b1f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2007a6758034ba6cd5cf70131d7644c3e470bb257d15b79091e75b02a558fd14 [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" "2007a6758034ba6cd5cf70131d7644c3e470bb257d15b79091e75b02a558fd14", kill_on_drop: false }` [INFO] [stderr] Compiling rust_coding_challenges v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/daily_challenge_1.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | 'inner: for j in (i + 1)..l.len() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` 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 0.49s [INFO] running `Command { std: "docker" "inspect" "2007a6758034ba6cd5cf70131d7644c3e470bb257d15b79091e75b02a558fd14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2007a6758034ba6cd5cf70131d7644c3e470bb257d15b79091e75b02a558fd14", kill_on_drop: false }` [INFO] [stdout] 2007a6758034ba6cd5cf70131d7644c3e470bb257d15b79091e75b02a558fd14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] dfe2937af990deba6d53d3958ea49e263a6966b3055b3f0c2d44e650faa98b2d [INFO] running `Command { std: "docker" "start" "-a" "dfe2937af990deba6d53d3958ea49e263a6966b3055b3f0c2d44e650faa98b2d", kill_on_drop: false }` [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/daily_challenge_1.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | 'inner: for j in (i + 1)..l.len() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_coding_challenges-25bfeef4a1246c99 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test daily_challenge_1::coding_challenge_test_1 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_4 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_1 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_test_3 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_test_5 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_test_2 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_5 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_3 ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_test_4 ... ok [INFO] [stdout] test challenge_example::coding_challenge_test ... ok [INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dfe2937af990deba6d53d3958ea49e263a6966b3055b3f0c2d44e650faa98b2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfe2937af990deba6d53d3958ea49e263a6966b3055b3f0c2d44e650faa98b2d", kill_on_drop: false }` [INFO] [stdout] dfe2937af990deba6d53d3958ea49e263a6966b3055b3f0c2d44e650faa98b2d