[INFO] cloning repository https://github.com/GirkovArpa/supervised-binary-insertion-sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GirkovArpa/supervised-binary-insertion-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGirkovArpa%2Fsupervised-binary-insertion-sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGirkovArpa%2Fsupervised-binary-insertion-sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3363706b713b48bfa653a838ea3116b18537a1c0 [INFO] checking GirkovArpa/supervised-binary-insertion-sort against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGirkovArpa%2Fsupervised-binary-insertion-sort" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GirkovArpa/supervised-binary-insertion-sort on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GirkovArpa/supervised-binary-insertion-sort [INFO] finished tweaking git repo https://github.com/GirkovArpa/supervised-binary-insertion-sort [INFO] tweaked toml for git repo https://github.com/GirkovArpa/supervised-binary-insertion-sort written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/GirkovArpa/supervised-binary-insertion-sort already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 442bec1dca70808de790fbd1b2f96ffb7baaecccb0f19dc46429830275fd686f [INFO] running `Command { std: "docker" "start" "-a" "442bec1dca70808de790fbd1b2f96ffb7baaecccb0f19dc46429830275fd686f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "442bec1dca70808de790fbd1b2f96ffb7baaecccb0f19dc46429830275fd686f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "442bec1dca70808de790fbd1b2f96ffb7baaecccb0f19dc46429830275fd686f", kill_on_drop: false }` [INFO] [stdout] 442bec1dca70808de790fbd1b2f96ffb7baaecccb0f19dc46429830275fd686f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcfc55e1b5f118a5e90531cb89e7822675ac7ed1d1c988312de291e4ff29771d [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" "dcfc55e1b5f118a5e90531cb89e7822675ac7ed1d1c988312de291e4ff29771d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libmath v0.2.1 [INFO] [stderr] Checking supervised-binary-insertion-sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | if (!std::path::Path::new("./favoriteMovies.txt").exists()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | if (!std::path::Path::new("./favoriteMovies.txt").exists()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | File::create("./favoriteMovies.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | std::io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | fs::write("./favoriteMovies.txt", movies.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | std::io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | File::create("./favoriteMovies.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | std::io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | fs::write("./favoriteMovies.txt", movies.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | std::io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.86s [INFO] running `Command { std: "docker" "inspect" "dcfc55e1b5f118a5e90531cb89e7822675ac7ed1d1c988312de291e4ff29771d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcfc55e1b5f118a5e90531cb89e7822675ac7ed1d1c988312de291e4ff29771d", kill_on_drop: false }` [INFO] [stdout] dcfc55e1b5f118a5e90531cb89e7822675ac7ed1d1c988312de291e4ff29771d