[INFO] cloning repository https://github.com/Quantumplation/commit-log-11-repro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quantumplation/commit-log-11-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Fcommit-log-11-repro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Fcommit-log-11-repro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10629918b2cbb3c94f68640f617e593ab716bd0e [INFO] checking Quantumplation/commit-log-11-repro against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Fcommit-log-11-repro" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Quantumplation/commit-log-11-repro on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Quantumplation/commit-log-11-repro [INFO] finished tweaking git repo https://github.com/Quantumplation/commit-log-11-repro [INFO] tweaked toml for git repo https://github.com/Quantumplation/commit-log-11-repro written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Quantumplation/commit-log-11-repro already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded page_size v0.4.1 [INFO] [stderr] Downloaded commitlog v0.1.0 [INFO] [stderr] Downloaded crc32c v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e72a791de8feae2d8d0792c7ecfee34699c3733e07a59540c4eeda4384b7ecd0 [INFO] running `Command { std: "docker" "start" "-a" "e72a791de8feae2d8d0792c7ecfee34699c3733e07a59540c4eeda4384b7ecd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e72a791de8feae2d8d0792c7ecfee34699c3733e07a59540c4eeda4384b7ecd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e72a791de8feae2d8d0792c7ecfee34699c3733e07a59540c4eeda4384b7ecd0", kill_on_drop: false }` [INFO] [stdout] e72a791de8feae2d8d0792c7ecfee34699c3733e07a59540c4eeda4384b7ecd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c668c943ed65be77f461e26282ba7d82c2fc3663f333669970ed7e42e257b5f [INFO] running `Command { std: "docker" "start" "-a" "8c668c943ed65be77f461e26282ba7d82c2fc3663f333669970ed7e42e257b5f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling crc32c v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking page_size v0.4.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking commitlog v0.1.0 [INFO] [stderr] Checking commitlog_repro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:18:37 [INFO] [stdout] | [INFO] [stdout] 18 | log.append_msg("Test").unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:18:37 [INFO] [stdout] | [INFO] [stdout] 18 | log.append_msg("Test").unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` 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` profile [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "8c668c943ed65be77f461e26282ba7d82c2fc3663f333669970ed7e42e257b5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c668c943ed65be77f461e26282ba7d82c2fc3663f333669970ed7e42e257b5f", kill_on_drop: false }` [INFO] [stdout] 8c668c943ed65be77f461e26282ba7d82c2fc3663f333669970ed7e42e257b5f