[INFO] cloning repository https://github.com/chrollo966/projecteuler_by_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrollo966/projecteuler_by_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrollo966%2Fprojecteuler_by_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrollo966%2Fprojecteuler_by_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdfe9c269d6cba604cc9bd722263d91905a433f8
[INFO] checking chrollo966/projecteuler_by_rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrollo966%2Fprojecteuler_by_rust" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrollo966/projecteuler_by_rust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrollo966/projecteuler_by_rust
[INFO] finished tweaking git repo https://github.com/chrollo966/projecteuler_by_rust
[INFO] tweaked toml for git repo https://github.com/chrollo966/projecteuler_by_rust written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/chrollo966/projecteuler_by_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e044edfcfc47d3f3f519762a58535f877ba202e52e2911b69b5aac7da2f8e762
[INFO] running `Command { std: "docker" "start" "-a" "e044edfcfc47d3f3f519762a58535f877ba202e52e2911b69b5aac7da2f8e762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e044edfcfc47d3f3f519762a58535f877ba202e52e2911b69b5aac7da2f8e762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e044edfcfc47d3f3f519762a58535f877ba202e52e2911b69b5aac7da2f8e762", kill_on_drop: false }`
[INFO] [stdout] e044edfcfc47d3f3f519762a58535f877ba202e52e2911b69b5aac7da2f8e762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4f2594bd223b9a0d03138b2eb35d385a7df2eb54d02f242a2bdcf04a462dbb
[INFO] running `Command { std: "docker" "start" "-a" "8e4f2594bd223b9a0d03138b2eb35d385a7df2eb54d02f242a2bdcf04a462dbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking projecteuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fact`
[INFO] [stdout]  --> src/p34.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fact (num: u128) -> u128 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fact`
[INFO] [stdout]  --> src/p34.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fact (num: u128) -> u128 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "8e4f2594bd223b9a0d03138b2eb35d385a7df2eb54d02f242a2bdcf04a462dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4f2594bd223b9a0d03138b2eb35d385a7df2eb54d02f242a2bdcf04a462dbb", kill_on_drop: false }`
[INFO] [stdout] 8e4f2594bd223b9a0d03138b2eb35d385a7df2eb54d02f242a2bdcf04a462dbb