[INFO] cloning repository https://github.com/marnagy/rust-para_merge_sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marnagy/rust-para_merge_sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Frust-para_merge_sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Frust-para_merge_sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4436db62fdf8c83f0b8bbcc88190f82f93c3f364 [INFO] checking marnagy/rust-para_merge_sort against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Frust-para_merge_sort" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marnagy/rust-para_merge_sort on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marnagy/rust-para_merge_sort [INFO] finished tweaking git repo https://github.com/marnagy/rust-para_merge_sort [INFO] tweaked toml for git repo https://github.com/marnagy/rust-para_merge_sort written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/marnagy/rust-para_merge_sort already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fd78c5c1f548e15e22592d42a4d0f5f3fa29170e60f442c1c9b880089b44625 [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" "5fd78c5c1f548e15e22592d42a4d0f5f3fa29170e60f442c1c9b880089b44625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fd78c5c1f548e15e22592d42a4d0f5f3fa29170e60f442c1c9b880089b44625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fd78c5c1f548e15e22592d42a4d0f5f3fa29170e60f442c1c9b880089b44625", kill_on_drop: false }` [INFO] [stdout] 5fd78c5c1f548e15e22592d42a4d0f5f3fa29170e60f442c1c9b880089b44625 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db978a01065cf0bb83a0a061776cf35cda3d1d581234405de12ad7881e963aea [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" "db978a01065cf0bb83a0a061776cf35cda3d1d581234405de12ad7881e963aea", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking merge_sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `MutexGuard<'_, &mut Vec>` in the current scope [INFO] [stdout] --> src/main.rs:66:47 [INFO] [stdout] | [INFO] [stdout] 66 | let mut par_arr = mutex_guard_arr.unwrap(); [INFO] [stdout] | ^^^^^^ method not found in `MutexGuard<'_, &mut Vec>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `MutexGuard<'_, &mut Vec>` in the current scope [INFO] [stdout] --> src/main.rs:66:47 [INFO] [stdout] | [INFO] [stdout] 66 | let mut par_arr = mutex_guard_arr.unwrap(); [INFO] [stdout] | ^^^^^^ method not found in `MutexGuard<'_, &mut Vec>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:67:31 [INFO] [stdout] | [INFO] [stdout] 67 | simple_merge_sort(&mut arr[lo..mi], lo, mi); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected struct `Vec`, found slice `[i64]` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Vec` [INFO] [stdout] found mutable reference `&mut [i64]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:67:31 [INFO] [stdout] | [INFO] [stdout] 67 | simple_merge_sort(&mut arr[lo..mi], lo, mi); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected struct `Vec`, found slice `[i64]` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Vec` [INFO] [stdout] found mutable reference `&mut [i64]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `merge_sort` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "db978a01065cf0bb83a0a061776cf35cda3d1d581234405de12ad7881e963aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db978a01065cf0bb83a0a061776cf35cda3d1d581234405de12ad7881e963aea", kill_on_drop: false }` [INFO] [stdout] db978a01065cf0bb83a0a061776cf35cda3d1d581234405de12ad7881e963aea