[INFO] cloning repository https://github.com/asafigan/rust-project-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asafigan/rust-project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aae5ddf8f4fad93ff7e2f1b85614b1535942bd4
[INFO] checking asafigan/rust-project-euler against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Frust-project-euler" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asafigan/rust-project-euler on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asafigan/rust-project-euler
[INFO] finished tweaking git repo https://github.com/asafigan/rust-project-euler
[INFO] tweaked toml for git repo https://github.com/asafigan/rust-project-euler written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/asafigan/rust-project-euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 5b73e561d9552611b454a06ebd99f78db98752dcd996de02f904b2d9868f41aa
[INFO] running `Command { std: "docker" "start" "-a" "5b73e561d9552611b454a06ebd99f78db98752dcd996de02f904b2d9868f41aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b73e561d9552611b454a06ebd99f78db98752dcd996de02f904b2d9868f41aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b73e561d9552611b454a06ebd99f78db98752dcd996de02f904b2d9868f41aa", kill_on_drop: false }`
[INFO] [stdout] 5b73e561d9552611b454a06ebd99f78db98752dcd996de02f904b2d9868f41aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d009dc31243d8f4dd2d0e81f18a0ece1f88dfb0646062df74a86e8ad0be67cbb
[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" "d009dc31243d8f4dd2d0e81f18a0ece1f88dfb0646062df74a86e8ad0be67cbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking problem6 v0.1.0 (/opt/rustwide/workdir/problem6)
[INFO] [stderr]     Checking problem2 v0.1.0 (/opt/rustwide/workdir/problem2)
[INFO] [stderr]     Checking problem10 v0.1.0 (/opt/rustwide/workdir/problem10)
[INFO] [stderr]     Checking problem9 v0.1.0 (/opt/rustwide/workdir/problem9)
[INFO] [stderr]     Checking problem11 v0.1.0 (/opt/rustwide/workdir/problem11)
[INFO] [stderr]     Checking problem7 v0.1.0 (/opt/rustwide/workdir/problem7)
[INFO] [stderr]     Checking problem67 v0.1.0 (/opt/rustwide/workdir/problem67)
[INFO] [stderr]     Checking problem21 v0.1.0 (/opt/rustwide/workdir/problem21)
[INFO] [stderr]     Checking problem1 v0.1.0 (/opt/rustwide/workdir/problem1)
[INFO] [stderr]     Checking problem24 v0.1.0 (/opt/rustwide/workdir/problem24)
[INFO] [stderr]     Checking problem8 v0.1.0 (/opt/rustwide/workdir/problem8)
[INFO] [stderr]     Checking problem22 v0.1.0 (/opt/rustwide/workdir/problem22)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> problem67/src/main.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             {last_row.collect::<Vec<_>>()},
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking problem4 v0.1.0 (/opt/rustwide/workdir/problem4)
[INFO] [stderr]     Checking problem5 v0.1.0 (/opt/rustwide/workdir/problem5)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking problem3 v0.1.0 (/opt/rustwide/workdir/problem3)
[INFO] [stdout] warning: enum is never used: `StaticOrDynamic`
[INFO] [stdout]   --> problem22/src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum StaticOrDynamic {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> problem22/src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test() -> Vec<StaticOrDynamic> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking problem18 v0.1.0 (/opt/rustwide/workdir/problem18)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StaticOrDynamic`
[INFO] [stdout]   --> problem22/src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum StaticOrDynamic {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> problem22/src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test() -> Vec<StaticOrDynamic> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> problem67/src/main.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             {last_row.collect::<Vec<_>>()},
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking problem19 v0.1.0 (/opt/rustwide/workdir/problem19)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `Command { std: "docker" "inspect" "d009dc31243d8f4dd2d0e81f18a0ece1f88dfb0646062df74a86e8ad0be67cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d009dc31243d8f4dd2d0e81f18a0ece1f88dfb0646062df74a86e8ad0be67cbb", kill_on_drop: false }`
[INFO] [stdout] d009dc31243d8f4dd2d0e81f18a0ece1f88dfb0646062df74a86e8ad0be67cbb