[INFO] cloning repository https://github.com/NoCtrlZ/compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoCtrlZ/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoCtrlZ%2Fcompiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoCtrlZ%2Fcompiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e00b6b116d7c9ae537f198f85dde60bd087148a2 [INFO] checking NoCtrlZ/compiler against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoCtrlZ%2Fcompiler" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NoCtrlZ/compiler on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NoCtrlZ/compiler [INFO] finished tweaking git repo https://github.com/NoCtrlZ/compiler [INFO] tweaked toml for git repo https://github.com/NoCtrlZ/compiler written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/NoCtrlZ/compiler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 25f44727690aead37f02f6d7d6d92746d1f5b0696359be902843571d27cdaacd [INFO] running `Command { std: "docker" "start" "-a" "25f44727690aead37f02f6d7d6d92746d1f5b0696359be902843571d27cdaacd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25f44727690aead37f02f6d7d6d92746d1f5b0696359be902843571d27cdaacd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25f44727690aead37f02f6d7d6d92746d1f5b0696359be902843571d27cdaacd", kill_on_drop: false }` [INFO] [stdout] 25f44727690aead37f02f6d7d6d92746d1f5b0696359be902843571d27cdaacd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90037f6ce3bd63432942ed7d46ffb79522842a44f2ccc867c70463e796c61ff8 [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" "90037f6ce3bd63432942ed7d46ffb79522842a44f2ccc867c70463e796c61ff8", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking go-compiler-with-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Ast` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Ast { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ast` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Ast { [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 3.98s [INFO] running `Command { std: "docker" "inspect" "90037f6ce3bd63432942ed7d46ffb79522842a44f2ccc867c70463e796c61ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90037f6ce3bd63432942ed7d46ffb79522842a44f2ccc867c70463e796c61ff8", kill_on_drop: false }` [INFO] [stdout] 90037f6ce3bd63432942ed7d46ffb79522842a44f2ccc867c70463e796c61ff8