[INFO] cloning repository https://github.com/tonykolomeytsev/book-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonykolomeytsev/book-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4f545bc05217c46eb9442c48aaf717ef9b8e31d [INFO] checking tonykolomeytsev/book-algorithms against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykolomeytsev%2Fbook-algorithms" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tonykolomeytsev/book-algorithms on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tonykolomeytsev/book-algorithms [INFO] finished tweaking git repo https://github.com/tonykolomeytsev/book-algorithms [INFO] tweaked toml for git repo https://github.com/tonykolomeytsev/book-algorithms written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/tonykolomeytsev/book-algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f300f0b9d0f559cbc4349c3eb985ad63ac20519cc57578ba16ce3fdff84b09c [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" "6f300f0b9d0f559cbc4349c3eb985ad63ac20519cc57578ba16ce3fdff84b09c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f300f0b9d0f559cbc4349c3eb985ad63ac20519cc57578ba16ce3fdff84b09c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f300f0b9d0f559cbc4349c3eb985ad63ac20519cc57578ba16ce3fdff84b09c", kill_on_drop: false }` [INFO] [stdout] 6f300f0b9d0f559cbc4349c3eb985ad63ac20519cc57578ba16ce3fdff84b09c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 773105f587b0b800926522408d3d484abc543b20d03c76b8bcf82bc765033c3b [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" "773105f587b0b800926522408d3d484abc543b20d03c76b8bcf82bc765033c3b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking algorithms v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `insertion_sort` [INFO] [stdout] --> src/chapter_2.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn insertion_sort(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insertion_sort_descending` [INFO] [stdout] --> src/chapter_2.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn insertion_sort_descending(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `linear_search` [INFO] [stdout] --> src/chapter_2.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn linear_search(v: i32, arr: &[i32]) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `summarize_binary` [INFO] [stdout] --> src/chapter_2.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn summarize_binary(a: &Vec, b: &Vec, c: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `selection_sort` [INFO] [stdout] --> src/chapter_2.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn selection_sort(arr: &mut Vec) { [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 6.39s [INFO] running `Command { std: "docker" "inspect" "773105f587b0b800926522408d3d484abc543b20d03c76b8bcf82bc765033c3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "773105f587b0b800926522408d3d484abc543b20d03c76b8bcf82bc765033c3b", kill_on_drop: false }` [INFO] [stdout] 773105f587b0b800926522408d3d484abc543b20d03c76b8bcf82bc765033c3b