[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 try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmyutils" "/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/shhr1214/myutils on toolchain 81275a1445c7502a974118e0c69b795ab60be991 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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-2/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" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] 3b4bc03cd556c1929d0a681045f317ed45800af793cef2dc94cb4e5f0216135b [INFO] running `Command { std: "docker" "start" "-a" "3b4bc03cd556c1929d0a681045f317ed45800af793cef2dc94cb4e5f0216135b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4bc03cd556c1929d0a681045f317ed45800af793cef2dc94cb4e5f0216135b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4bc03cd556c1929d0a681045f317ed45800af793cef2dc94cb4e5f0216135b", kill_on_drop: false }` [INFO] [stdout] 3b4bc03cd556c1929d0a681045f317ed45800af793cef2dc94cb4e5f0216135b [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aff14ec4322b6193efc692b53e58283c60628028b8a2b58799a6b40daf11bb38 [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" "aff14ec4322b6193efc692b53e58283c60628028b8a2b58799a6b40daf11bb38", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.54 [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 6.34s [INFO] running `Command { std: "docker" "inspect" "aff14ec4322b6193efc692b53e58283c60628028b8a2b58799a6b40daf11bb38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aff14ec4322b6193efc692b53e58283c60628028b8a2b58799a6b40daf11bb38", kill_on_drop: false }` [INFO] [stdout] aff14ec4322b6193efc692b53e58283c60628028b8a2b58799a6b40daf11bb38