[INFO] cloning repository https://github.com/matthewa150/rusty_euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthewa150/rusty_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewa150%2Frusty_euler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewa150%2Frusty_euler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b881b96e770cf7d5afd500e68e2561dbc1895306 [INFO] testing matthewa150/rusty_euler 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%2Fmatthewa150%2Frusty_euler" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matthewa150/rusty_euler 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/matthewa150/rusty_euler [INFO] finished tweaking git repo https://github.com/matthewa150/rusty_euler [INFO] tweaked toml for git repo https://github.com/matthewa150/rusty_euler written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/matthewa150/rusty_euler 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b07dd9a2b52468b6bb0f7d9c5bf7d910944fc86d4b4577aa38d0d10dbe920cbb [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" "b07dd9a2b52468b6bb0f7d9c5bf7d910944fc86d4b4577aa38d0d10dbe920cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b07dd9a2b52468b6bb0f7d9c5bf7d910944fc86d4b4577aa38d0d10dbe920cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b07dd9a2b52468b6bb0f7d9c5bf7d910944fc86d4b4577aa38d0d10dbe920cbb", kill_on_drop: false }` [INFO] [stdout] b07dd9a2b52468b6bb0f7d9c5bf7d910944fc86d4b4577aa38d0d10dbe920cbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e4b0cd4908c0ee419f4fd3f1f2b4cf08a6e416040dc8f5eb395d742335268038 [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" "e4b0cd4908c0ee419f4fd3f1f2b4cf08a6e416040dc8f5eb395d742335268038", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.31 [INFO] [stderr] Compiling primes v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling rusty_euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/question/one_ten.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | (result as i64) [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/question/one_ten.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | (n as i64) [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/question/one_ten.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | let mut flip = flip.as_mut_vec(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.54s [INFO] running `Command { std: "docker" "inspect" "e4b0cd4908c0ee419f4fd3f1f2b4cf08a6e416040dc8f5eb395d742335268038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4b0cd4908c0ee419f4fd3f1f2b4cf08a6e416040dc8f5eb395d742335268038", kill_on_drop: false }` [INFO] [stdout] e4b0cd4908c0ee419f4fd3f1f2b4cf08a6e416040dc8f5eb395d742335268038 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0a04183b9743b47a9197dd0d141c53c0db0a9016400293e3ecf51903ade94136 [INFO] running `Command { std: "docker" "start" "-a" "0a04183b9743b47a9197dd0d141c53c0db0a9016400293e3ecf51903ade94136", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/question/one_ten.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | (result as i64) [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/question/one_ten.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | (n as i64) [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/question/one_ten.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | let mut flip = flip.as_mut_vec(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "0a04183b9743b47a9197dd0d141c53c0db0a9016400293e3ecf51903ade94136", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a04183b9743b47a9197dd0d141c53c0db0a9016400293e3ecf51903ade94136", kill_on_drop: false }` [INFO] [stdout] 0a04183b9743b47a9197dd0d141c53c0db0a9016400293e3ecf51903ade94136 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 202cb648b3baf41b599518f796f5cf3a549277acc46702204a1d52061c6ed672 [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" "202cb648b3baf41b599518f796f5cf3a549277acc46702204a1d52061c6ed672", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/question/one_ten.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | (result as i64) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/question/one_ten.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | (n as i64) [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/question/one_ten.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut flip = flip.as_mut_vec(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rusty_euler` (bin "rusty_euler" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_euler-dcd0ce155ca21fd9) [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" "202cb648b3baf41b599518f796f5cf3a549277acc46702204a1d52061c6ed672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "202cb648b3baf41b599518f796f5cf3a549277acc46702204a1d52061c6ed672", kill_on_drop: false }` [INFO] [stdout] 202cb648b3baf41b599518f796f5cf3a549277acc46702204a1d52061c6ed672