[INFO] cloning repository https://github.com/shhr1214/myutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shhr1214/myutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmyutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmyutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c6e98abd2c30a91fcc22be0bf565447c93d068c
[INFO] checking shhr1214/myutils against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmyutils" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shhr1214/myutils on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shhr1214/myutils
[INFO] finished tweaking git repo https://github.com/shhr1214/myutils
[INFO] tweaked toml for git repo https://github.com/shhr1214/myutils written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/shhr1214/myutils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] b14da949543869a79af77fec5c6ccb43454a95c78ac32fd41c5287fb27f2dded
[INFO] running `Command { std: "docker" "start" "-a" "b14da949543869a79af77fec5c6ccb43454a95c78ac32fd41c5287fb27f2dded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14da949543869a79af77fec5c6ccb43454a95c78ac32fd41c5287fb27f2dded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14da949543869a79af77fec5c6ccb43454a95c78ac32fd41c5287fb27f2dded", kill_on_drop: false }`
[INFO] [stdout] b14da949543869a79af77fec5c6ccb43454a95c78ac32fd41c5287fb27f2dded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--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] 46fe92316d9aa4008d60b6476c0195735bcf109dfa6a0037dfa442dea5ac28ae
[INFO] running `Command { std: "docker" "start" "-a" "46fe92316d9aa4008d60b6476c0195735bcf109dfa6a0037dfa442dea5ac28ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking myutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `head`
[INFO] [stdout]   --> src/bin/show-calendar.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn head(month: u32) {
[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: function is never used: `head`
[INFO] [stdout]   --> src/bin/show-calendar.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn head(month: u32) {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "46fe92316d9aa4008d60b6476c0195735bcf109dfa6a0037dfa442dea5ac28ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fe92316d9aa4008d60b6476c0195735bcf109dfa6a0037dfa442dea5ac28ae", kill_on_drop: false }`
[INFO] [stdout] 46fe92316d9aa4008d60b6476c0195735bcf109dfa6a0037dfa442dea5ac28ae