[INFO] cloning repository https://github.com/mhazoglou/complex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhazoglou/complex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2Fcomplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2Fcomplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 596e0b0b570ba275f5adf9135826ac413e239697 [INFO] checking mhazoglou/complex against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2Fcomplex" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhazoglou/complex on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mhazoglou/complex [INFO] finished tweaking git repo https://github.com/mhazoglou/complex [INFO] tweaked toml for git repo https://github.com/mhazoglou/complex written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mhazoglou/complex already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8814b4f624c6d080d56641e9731ed67e656d39b60572b3e9a3b24c2782ee5fb9 [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" "8814b4f624c6d080d56641e9731ed67e656d39b60572b3e9a3b24c2782ee5fb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8814b4f624c6d080d56641e9731ed67e656d39b60572b3e9a3b24c2782ee5fb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8814b4f624c6d080d56641e9731ed67e656d39b60572b3e9a3b24c2782ee5fb9", kill_on_drop: false }` [INFO] [stdout] 8814b4f624c6d080d56641e9731ed67e656d39b60572b3e9a3b24c2782ee5fb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5030f80a83742adf41f53789cf3c1e33edcff60842866fd819380bd618cf4cfd [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" "5030f80a83742adf41f53789cf3c1e33edcff60842866fd819380bd618cf4cfd", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking complex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/fmt.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn type_of(_: &T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/fmt.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn type_of(_: &T) -> &'static str { [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 5.04s [INFO] running `Command { std: "docker" "inspect" "5030f80a83742adf41f53789cf3c1e33edcff60842866fd819380bd618cf4cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5030f80a83742adf41f53789cf3c1e33edcff60842866fd819380bd618cf4cfd", kill_on_drop: false }` [INFO] [stdout] 5030f80a83742adf41f53789cf3c1e33edcff60842866fd819380bd618cf4cfd