[INFO] cloning repository https://github.com/jmcelwain/the_linux_programming_interface [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmcelwain/the_linux_programming_interface" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcelwain%2Fthe_linux_programming_interface", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcelwain%2Fthe_linux_programming_interface'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20d87244e4a21b0c11f1818de6e85d89b1648b19 [INFO] checking jmcelwain/the_linux_programming_interface against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcelwain%2Fthe_linux_programming_interface" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmcelwain/the_linux_programming_interface on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] finished tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] tweaked toml for git repo https://github.com/jmcelwain/the_linux_programming_interface written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jmcelwain/the_linux_programming_interface 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" "+3cdcdaf31b45f8045164aae9604573d23091970b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking jmcelwain/the_linux_programming_interface against try#05804f728f276cf7ecedbf71c814df440d37f293 for pr-122267 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcelwain%2Fthe_linux_programming_interface" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmcelwain/the_linux_programming_interface on toolchain 05804f728f276cf7ecedbf71c814df440d37f293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] finished tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] tweaked toml for git repo https://github.com/jmcelwain/the_linux_programming_interface written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jmcelwain/the_linux_programming_interface 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" "+05804f728f276cf7ecedbf71c814df440d37f293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking jmcelwain/the_linux_programming_interface against try#05804f728f276cf7ecedbf71c814df440d37f293 for pr-122267 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcelwain%2Fthe_linux_programming_interface" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmcelwain/the_linux_programming_interface on toolchain 05804f728f276cf7ecedbf71c814df440d37f293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] finished tweaking git repo https://github.com/jmcelwain/the_linux_programming_interface [INFO] tweaked toml for git repo https://github.com/jmcelwain/the_linux_programming_interface written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jmcelwain/the_linux_programming_interface 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" "+05804f728f276cf7ecedbf71c814df440d37f293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4325d3eacc38d46f574d6bcb0cdf1031c572a2fa0073cc0aa42ce85fc95ab65e [INFO] running `Command { std: "docker" "start" "-a" "4325d3eacc38d46f574d6bcb0cdf1031c572a2fa0073cc0aa42ce85fc95ab65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4325d3eacc38d46f574d6bcb0cdf1031c572a2fa0073cc0aa42ce85fc95ab65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4325d3eacc38d46f574d6bcb0cdf1031c572a2fa0073cc0aa42ce85fc95ab65e", kill_on_drop: false }` [INFO] [stdout] 4325d3eacc38d46f574d6bcb0cdf1031c572a2fa0073cc0aa42ce85fc95ab65e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+05804f728f276cf7ecedbf71c814df440d37f293" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a03c0a9ab093059c6ec1095bc5f73ac2e34dbf81f901cf7b16c6caef268f819b [INFO] running `Command { std: "docker" "start" "-a" "a03c0a9ab093059c6ec1095bc5f73ac2e34dbf81f901cf7b16c6caef268f819b", kill_on_drop: false }` [INFO] [stderr] Checking linux_interface v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `to_path` [INFO] [stdout] --> src/fileio/copy.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let to_path = Path::new(to); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `to_path` [INFO] [stdout] --> src/fileio/copy.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let to_path = Path::new(to); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/fileio/copy.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let file = match File::open(&from) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/fileio/copy.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let file = match File::open(&from) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `copy` is never used [INFO] [stdout] --> src/fileio/copy.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn copy(from: &String, to: &String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `copy` is never used [INFO] [stdout] --> src/fileio/copy.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn copy(from: &String, to: &String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "a03c0a9ab093059c6ec1095bc5f73ac2e34dbf81f901cf7b16c6caef268f819b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03c0a9ab093059c6ec1095bc5f73ac2e34dbf81f901cf7b16c6caef268f819b", kill_on_drop: false }` [INFO] [stdout] a03c0a9ab093059c6ec1095bc5f73ac2e34dbf81f901cf7b16c6caef268f819b