[INFO] cloning repository https://github.com/lheckemann/prune-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lheckemann/prune-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fprune-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fprune-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6966a72c2348f34a4f36719ff45130de02e288a1 [INFO] checking lheckemann/prune-rs against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fprune-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lheckemann/prune-rs [INFO] finished tweaking git repo https://github.com/lheckemann/prune-rs [INFO] tweaked toml for git repo https://github.com/lheckemann/prune-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lheckemann/prune-rs on toolchain 36b21637e93b038453924d3c66821089e71d8baa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lheckemann/prune-rs 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap v3.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f97d2b9cd3a2c562baa05ea55b1713aa1f2b458050a6cef002a46ea8ea8de673 [INFO] running `Command { std: "docker" "start" "-a" "f97d2b9cd3a2c562baa05ea55b1713aa1f2b458050a6cef002a46ea8ea8de673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f97d2b9cd3a2c562baa05ea55b1713aa1f2b458050a6cef002a46ea8ea8de673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f97d2b9cd3a2c562baa05ea55b1713aa1f2b458050a6cef002a46ea8ea8de673", kill_on_drop: false }` [INFO] [stdout] f97d2b9cd3a2c562baa05ea55b1713aa1f2b458050a6cef002a46ea8ea8de673 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2cf0b47c93207e112f38d16c1a6df8c75e8c76ff9d5b285473249436027eb96 [INFO] running `Command { std: "docker" "start" "-a" "d2cf0b47c93207e112f38d16c1a6df8c75e8c76ff9d5b285473249436027eb96", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking clap_lex v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v3.1.9 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking prune-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `drop` [INFO] [stdout] --> src/main.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | drop, [INFO] [stdout] | ^^^^ help: try ignoring the field: `drop: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:193:19 [INFO] [stdout] | [INFO] [stdout] 193 | keep: mut items, [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.70s [INFO] running `Command { std: "docker" "inspect" "d2cf0b47c93207e112f38d16c1a6df8c75e8c76ff9d5b285473249436027eb96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2cf0b47c93207e112f38d16c1a6df8c75e8c76ff9d5b285473249436027eb96", kill_on_drop: false }` [INFO] [stdout] d2cf0b47c93207e112f38d16c1a6df8c75e8c76ff9d5b285473249436027eb96