[INFO] cloning repository https://github.com/EkardNT/external-sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EkardNT/external-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3531ca6f4287a0fe197337e699ebcc1d89c1ef6f [INFO] checking EkardNT/external-sort against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort" "/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/EkardNT/external-sort on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EkardNT/external-sort [INFO] finished tweaking git repo https://github.com/EkardNT/external-sort [INFO] tweaked toml for git repo https://github.com/EkardNT/external-sort written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/EkardNT/external-sort already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa71dccebe4aaa6641fd428b2d003b3ec2884f83b931bb7e59ae8cd3b9ceeab4 [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" "aa71dccebe4aaa6641fd428b2d003b3ec2884f83b931bb7e59ae8cd3b9ceeab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa71dccebe4aaa6641fd428b2d003b3ec2884f83b931bb7e59ae8cd3b9ceeab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa71dccebe4aaa6641fd428b2d003b3ec2884f83b931bb7e59ae8cd3b9ceeab4", kill_on_drop: false }` [INFO] [stdout] aa71dccebe4aaa6641fd428b2d003b3ec2884f83b931bb7e59ae8cd3b9ceeab4 [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3822918e0dfef48d30763654a70abafb5c183355c70531a211f64ab80d67c65f [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" "3822918e0dfef48d30763654a70abafb5c183355c70531a211f64ab80d67c65f", 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking clap v2.31.1 [INFO] [stderr] Checking fine_grained v0.1.2 [INFO] [stderr] Checking external-sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/validate.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut stdin = ::std::io::stdin(); [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/validate.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut stdin = ::std::io::stdin(); [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/generate.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut stdout = ::std::io::stdout(); [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] [stdout] warning: 1 warning emitted [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] [stdout] warning: field is never read: `entries` [INFO] [stdout] --> src/bin/sort.rs:268:5 [INFO] [stdout] | [INFO] [stdout] 268 | entries: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bytes` [INFO] [stdout] --> src/bin/sort.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | bytes: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_max_length` [INFO] [stdout] --> src/bin/sort.rs:272:5 [INFO] [stdout] | [INFO] [stdout] 272 | line_max_length: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_min_length` [INFO] [stdout] --> src/bin/sort.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 274 | line_min_length: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `chunk_index` [INFO] [stdout] --> src/bin/sort.rs:325:5 [INFO] [stdout] | [INFO] [stdout] 325 | chunk_index: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/generate.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut stdout = ::std::io::stdout(); [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] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `entries` [INFO] [stdout] --> src/bin/sort.rs:268:5 [INFO] [stdout] | [INFO] [stdout] 268 | entries: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bytes` [INFO] [stdout] --> src/bin/sort.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | bytes: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_max_length` [INFO] [stdout] --> src/bin/sort.rs:272:5 [INFO] [stdout] | [INFO] [stdout] 272 | line_max_length: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_min_length` [INFO] [stdout] --> src/bin/sort.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 274 | line_min_length: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `chunk_index` [INFO] [stdout] --> src/bin/sort.rs:325:5 [INFO] [stdout] | [INFO] [stdout] 325 | chunk_index: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.43s [INFO] running `Command { std: "docker" "inspect" "3822918e0dfef48d30763654a70abafb5c183355c70531a211f64ab80d67c65f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3822918e0dfef48d30763654a70abafb5c183355c70531a211f64ab80d67c65f", kill_on_drop: false }` [INFO] [stdout] 3822918e0dfef48d30763654a70abafb5c183355c70531a211f64ab80d67c65f