[INFO] cloning repository https://github.com/ad3ldev/rusty-sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ad3ldev/rusty-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fad3ldev%2Frusty-sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fad3ldev%2Frusty-sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5726234108fd411241d965797a1257bf5bb9ac7 [INFO] checking ad3ldev/rusty-sort against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fad3ldev%2Frusty-sort" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ad3ldev/rusty-sort on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ad3ldev/rusty-sort [INFO] finished tweaking git repo https://github.com/ad3ldev/rusty-sort [INFO] tweaked toml for git repo https://github.com/ad3ldev/rusty-sort written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ad3ldev/rusty-sort 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b9d2d98b31106d40c39e187380428934d820f570937043ddef29c6c012d9fdb [INFO] running `Command { std: "docker" "start" "-a" "3b9d2d98b31106d40c39e187380428934d820f570937043ddef29c6c012d9fdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b9d2d98b31106d40c39e187380428934d820f570937043ddef29c6c012d9fdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b9d2d98b31106d40c39e187380428934d820f570937043ddef29c6c012d9fdb", kill_on_drop: false }` [INFO] [stdout] 3b9d2d98b31106d40c39e187380428934d820f570937043ddef29c6c012d9fdb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2216fe621cc33c12bb5f9884f1b5ccfcfdc6d5d2436d39a20bcf7e46c62fcddf [INFO] running `Command { std: "docker" "start" "-a" "2216fe621cc33c12bb5f9884f1b5ccfcfdc6d5d2436d39a20bcf7e46c62fcddf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking rayon-core v1.11.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking rusty-sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ParallelIterator` is imported redundantly [INFO] [stdout] --> src/bubble_sort.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use rayon::iter::ParallelIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 22 | use rayon::prelude::*; [INFO] [stdout] | ----------------- the item `ParallelIterator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ParallelIterator` is imported redundantly [INFO] [stdout] --> src/bubble_sort.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use rayon::iter::ParallelIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 22 | use rayon::prelude::*; [INFO] [stdout] | ----------------- the item `ParallelIterator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge` is never used [INFO] [stdout] --> src/merge_sort.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn serial_merge(arr: &mut [u64], start: usize, mid: usize, end: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge_sort_helper` is never used [INFO] [stdout] --> src/merge_sort.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn serial_merge_sort_helper(arr: &mut [u64], left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge` is never used [INFO] [stdout] --> src/merge_sort.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn serial_merge(arr: &mut [u64], start: usize, mid: usize, end: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge_sort` is never used [INFO] [stdout] --> src/merge_sort.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn serial_merge_sort(arr: &mut [u64]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge_sort_helper` is never used [INFO] [stdout] --> src/merge_sort.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn serial_merge_sort_helper(arr: &mut [u64], left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_merge_sort_helper` is never used [INFO] [stdout] --> src/merge_sort.rs:122:4 [INFO] [stdout] | [INFO] [stdout] 122 | fn parallel_merge_sort_helper( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serial_merge_sort` is never used [INFO] [stdout] --> src/merge_sort.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn serial_merge_sort(arr: &mut [u64]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_merge_sort` is never used [INFO] [stdout] --> src/merge_sort.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn parallel_merge_sort(arr: &mut [u64], threads_num: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_merge_sort_helper` is never used [INFO] [stdout] --> src/merge_sort.rs:122:4 [INFO] [stdout] | [INFO] [stdout] 122 | fn parallel_merge_sort_helper( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parallel_merge_sort` is never used [INFO] [stdout] --> src/merge_sort.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn parallel_merge_sort(arr: &mut [u64], threads_num: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `Command { std: "docker" "inspect" "2216fe621cc33c12bb5f9884f1b5ccfcfdc6d5d2436d39a20bcf7e46c62fcddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2216fe621cc33c12bb5f9884f1b5ccfcfdc6d5d2436d39a20bcf7e46c62fcddf", kill_on_drop: false }` [INFO] [stdout] 2216fe621cc33c12bb5f9884f1b5ccfcfdc6d5d2436d39a20bcf7e46c62fcddf [INFO] checking ad3ldev/rusty-sort against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fad3ldev%2Frusty-sort" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ad3ldev/rusty-sort on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ad3ldev/rusty-sort [INFO] finished tweaking git repo https://github.com/ad3ldev/rusty-sort [INFO] tweaked toml for git repo https://github.com/ad3ldev/rusty-sort written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ad3ldev/rusty-sort 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 615727d8d2a95fee309afa6bb9a4cbd247daa7dbabf803e17cefdd797e744cb1 [INFO] running `Command { std: "docker" "start" "-a" "615727d8d2a95fee309afa6bb9a4cbd247daa7dbabf803e17cefdd797e744cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "615727d8d2a95fee309afa6bb9a4cbd247daa7dbabf803e17cefdd797e744cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "615727d8d2a95fee309afa6bb9a4cbd247daa7dbabf803e17cefdd797e744cb1", kill_on_drop: false }` [INFO] [stdout] 615727d8d2a95fee309afa6bb9a4cbd247daa7dbabf803e17cefdd797e744cb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20e4e25821bbf4b4d063b7f6fddbdc1d878bac352af0c87f9e462b886a0226fd [INFO] running `Command { std: "docker" "start" "-a" "20e4e25821bbf4b4d063b7f6fddbdc1d878bac352af0c87f9e462b886a0226fd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking crossbeam-utils v0.8.15 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.15/src/sync/parker.rs:371:25 [INFO] [stdout] | [INFO] [stdout] 371 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 372 | | NOTIFIED | PARKED => return, [INFO] [stdout] 373 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 374 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "20e4e25821bbf4b4d063b7f6fddbdc1d878bac352af0c87f9e462b886a0226fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20e4e25821bbf4b4d063b7f6fddbdc1d878bac352af0c87f9e462b886a0226fd", kill_on_drop: false }` [INFO] [stdout] 20e4e25821bbf4b4d063b7f6fddbdc1d878bac352af0c87f9e462b886a0226fd