[INFO] cloning repository https://github.com/mormod/scheduling-showcase [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mormod/scheduling-showcase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/mormod/scheduling-showcase [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mormod/scheduling-showcase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e3b81e18caf86f01ca9b61a3c2b0df5d336aee6 [INFO] checking mormod/scheduling-showcase against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmormod%2Fscheduling-showcase" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mormod/scheduling-showcase on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mormod/scheduling-showcase [INFO] finished tweaking git repo https://github.com/mormod/scheduling-showcase [INFO] tweaked toml for git repo https://github.com/mormod/scheduling-showcase written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mormod/scheduling-showcase 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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c3e4f84b0bce18590ee76bc50838d7e43546ae22c980ae483782e90664a0edd [INFO] running `Command { std: "docker" "start" "-a" "8c3e4f84b0bce18590ee76bc50838d7e43546ae22c980ae483782e90664a0edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c3e4f84b0bce18590ee76bc50838d7e43546ae22c980ae483782e90664a0edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3e4f84b0bce18590ee76bc50838d7e43546ae22c980ae483782e90664a0edd", kill_on_drop: false }` [INFO] [stdout] 8c3e4f84b0bce18590ee76bc50838d7e43546ae22c980ae483782e90664a0edd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9ada5dc64f1b82ffa55b9f13c1a0323b290d9c7bc557adacfaf2cbb2529ae2d [INFO] running `Command { std: "docker" "start" "-a" "d9ada5dc64f1b82ffa55b9f13c1a0323b290d9c7bc557adacfaf2cbb2529ae2d", kill_on_drop: false }` [INFO] [stderr] Checking scheduling-showcase v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `os::unix::process` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, os::unix::process}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `os::unix::process` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, os::unix::process}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processes` [INFO] [stdout] --> src/main.rs:93:20 [INFO] [stdout] | [INFO] [stdout] 93 | fn round_robin(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processes` [INFO] [stdout] --> src/main.rs:98:35 [INFO] [stdout] | [INFO] [stdout] 98 | fn multi_level_feedback_queue(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processes` [INFO] [stdout] --> src/main.rs:93:20 [INFO] [stdout] | [INFO] [stdout] 93 | fn round_robin(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processes` [INFO] [stdout] --> src/main.rs:98:35 [INFO] [stdout] | [INFO] [stdout] 98 | fn multi_level_feedback_queue(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processor` [INFO] [stdout] --> src/main.rs:345:16 [INFO] [stdout] | [INFO] [stdout] 345 | fn round_robin(processor: &mut Processor) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `previous` and `time_quantum` are never read [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Processor { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 48 | previous: Option, // The id of the process executed in the last step [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | time_quantum: u64, // Minimal amount of time a process is allowed to run uninterrupted [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `round_robin` and `multi_level_feedback_queue` are never used [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl Processor { [INFO] [stdout] | -------------- associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | fn round_robin(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn multi_level_feedback_queue(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `round_robin` is never used [INFO] [stdout] --> src/main.rs:345:4 [INFO] [stdout] | [INFO] [stdout] 345 | fn round_robin(processor: &mut Processor) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processor` [INFO] [stdout] --> src/main.rs:345:16 [INFO] [stdout] | [INFO] [stdout] 345 | fn round_robin(processor: &mut Processor) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `previous` and `time_quantum` are never read [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Processor { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 48 | previous: Option, // The id of the process executed in the last step [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | time_quantum: u64, // Minimal amount of time a process is allowed to run uninterrupted [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `round_robin` and `multi_level_feedback_queue` are never used [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl Processor { [INFO] [stdout] | -------------- associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | fn round_robin(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn multi_level_feedback_queue(processes: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `round_robin` is never used [INFO] [stdout] --> src/main.rs:345:4 [INFO] [stdout] | [INFO] [stdout] 345 | fn round_robin(processor: &mut Processor) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "d9ada5dc64f1b82ffa55b9f13c1a0323b290d9c7bc557adacfaf2cbb2529ae2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9ada5dc64f1b82ffa55b9f13c1a0323b290d9c7bc557adacfaf2cbb2529ae2d", kill_on_drop: false }` [INFO] [stdout] d9ada5dc64f1b82ffa55b9f13c1a0323b290d9c7bc557adacfaf2cbb2529ae2d