[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewa150%2Frusty_euler" "/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/matthewa150/rusty_euler on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded primes v0.2.0 [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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d40abeac6dfc565ef617b536bc6444b41bf8562e2759f31c1a9361b7b456f0e2 [INFO] running `Command { std: "docker" "start" "-a" "d40abeac6dfc565ef617b536bc6444b41bf8562e2759f31c1a9361b7b456f0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d40abeac6dfc565ef617b536bc6444b41bf8562e2759f31c1a9361b7b456f0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d40abeac6dfc565ef617b536bc6444b41bf8562e2759f31c1a9361b7b456f0e2", kill_on_drop: false }` [INFO] [stdout] d40abeac6dfc565ef617b536bc6444b41bf8562e2759f31c1a9361b7b456f0e2 [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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43c73719b68a71089d845742e8599d439c64ffd2ee5222f4f8ed6ec9be6dbdf5 [INFO] running `Command { std: "docker" "start" "-a" "43c73719b68a71089d845742e8599d439c64ffd2ee5222f4f8ed6ec9be6dbdf5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [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-iter v0.1.34 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-complex 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 15.54s [INFO] running `Command { std: "docker" "inspect" "43c73719b68a71089d845742e8599d439c64ffd2ee5222f4f8ed6ec9be6dbdf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43c73719b68a71089d845742e8599d439c64ffd2ee5222f4f8ed6ec9be6dbdf5", kill_on_drop: false }` [INFO] [stdout] 43c73719b68a71089d845742e8599d439c64ffd2ee5222f4f8ed6ec9be6dbdf5 [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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb738873984db9856d10b9b054f2f0761269910380c07b7476423e21ef02aaa1 [INFO] running `Command { std: "docker" "start" "-a" "eb738873984db9856d10b9b054f2f0761269910380c07b7476423e21ef02aaa1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 9.08s [INFO] running `Command { std: "docker" "inspect" "eb738873984db9856d10b9b054f2f0761269910380c07b7476423e21ef02aaa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb738873984db9856d10b9b054f2f0761269910380c07b7476423e21ef02aaa1", kill_on_drop: false }` [INFO] [stdout] eb738873984db9856d10b9b054f2f0761269910380c07b7476423e21ef02aaa1 [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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ba2d0949b35f3c4e9b3679cea4deccc3829a3d25008f55d08ff5e179eb69a7e [INFO] running `Command { std: "docker" "start" "-a" "7ba2d0949b35f3c4e9b3679cea4deccc3829a3d25008f55d08ff5e179eb69a7e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 4.58s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_euler-ff976c867fb5cdf8) [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" "7ba2d0949b35f3c4e9b3679cea4deccc3829a3d25008f55d08ff5e179eb69a7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ba2d0949b35f3c4e9b3679cea4deccc3829a3d25008f55d08ff5e179eb69a7e", kill_on_drop: false }` [INFO] [stdout] 7ba2d0949b35f3c4e9b3679cea4deccc3829a3d25008f55d08ff5e179eb69a7e