[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-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewa150%2Frusty_euler" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matthewa150/rusty_euler on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.1.40 [INFO] [stderr] Downloaded num-bigint v0.1.40 [INFO] [stderr] Downloaded num-rational v0.1.39 [INFO] [stderr] Downloaded libc v0.2.31 [INFO] [stderr] Downloaded primes v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 54d348b113560ab621af5ce25f74165107d4fe5e3db1aa27fb1c325ae18bd5af [INFO] running `Command { std: "docker" "start" "-a" "54d348b113560ab621af5ce25f74165107d4fe5e3db1aa27fb1c325ae18bd5af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54d348b113560ab621af5ce25f74165107d4fe5e3db1aa27fb1c325ae18bd5af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54d348b113560ab621af5ce25f74165107d4fe5e3db1aa27fb1c325ae18bd5af", kill_on_drop: false }` [INFO] [stdout] 54d348b113560ab621af5ce25f74165107d4fe5e3db1aa27fb1c325ae18bd5af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd8fc96c3122328e1bbe75185836250734b266f2604cca4b1b04c1e0a5741fcf [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" "fd8fc96c3122328e1bbe75185836250734b266f2604cca4b1b04c1e0a5741fcf", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling libc v0.2.31 [INFO] [stderr] Compiling primes v0.2.0 [INFO] [stderr] Compiling rand v0.3.16 [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 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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 110 - (result as i64) [INFO] [stdout] 110 + result as i64 [INFO] [stdout] | [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 119 - (n as i64) [INFO] [stdout] 119 + n as i64 [INFO] [stdout] | [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 9.32s [INFO] running `Command { std: "docker" "inspect" "fd8fc96c3122328e1bbe75185836250734b266f2604cca4b1b04c1e0a5741fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd8fc96c3122328e1bbe75185836250734b266f2604cca4b1b04c1e0a5741fcf", kill_on_drop: false }` [INFO] [stdout] fd8fc96c3122328e1bbe75185836250734b266f2604cca4b1b04c1e0a5741fcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 9477fe055dc464b74b228878e363a4adc2d61b1b744e827cd44f792deb93f186 [INFO] running `Command { std: "docker" "start" "-a" "9477fe055dc464b74b228878e363a4adc2d61b1b744e827cd44f792deb93f186", 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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 110 - (result as i64) [INFO] [stdout] 110 + result as i64 [INFO] [stdout] | [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 119 - (n as i64) [INFO] [stdout] 119 + n as i64 [INFO] [stdout] | [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 0.89s [INFO] running `Command { std: "docker" "inspect" "9477fe055dc464b74b228878e363a4adc2d61b1b744e827cd44f792deb93f186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9477fe055dc464b74b228878e363a4adc2d61b1b744e827cd44f792deb93f186", kill_on_drop: false }` [INFO] [stdout] 9477fe055dc464b74b228878e363a4adc2d61b1b744e827cd44f792deb93f186 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 5b9099ac60ea8a52cc05215a3888e2522e08d50ad52ade6d224adc2188a4e656 [INFO] running `Command { std: "docker" "start" "-a" "5b9099ac60ea8a52cc05215a3888e2522e08d50ad52ade6d224adc2188a4e656", 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] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 110 - (result as i64) [INFO] [stderr] 110 + result as i64 [INFO] [stderr] | [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] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 119 - (n as i64) [INFO] [stderr] 119 + n as i64 [INFO] [stderr] | [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 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_euler-dcd0ce155ca21fd9) [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" "5b9099ac60ea8a52cc05215a3888e2522e08d50ad52ade6d224adc2188a4e656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b9099ac60ea8a52cc05215a3888e2522e08d50ad52ade6d224adc2188a4e656", kill_on_drop: false }` [INFO] [stdout] 5b9099ac60ea8a52cc05215a3888e2522e08d50ad52ade6d224adc2188a4e656