[INFO] cloning repository https://github.com/zeon256/sc2001 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeon256/sc2001" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeon256%2Fsc2001", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeon256%2Fsc2001'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad4954ffef01b0ddcae15379037ffe3274c6fdd1 [INFO] checking zeon256/sc2001 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeon256%2Fsc2001" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zeon256/sc2001 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/zeon256/sc2001 [INFO] finished tweaking git repo https://github.com/zeon256/sc2001 [INFO] tweaked toml for git repo https://github.com/zeon256/sc2001 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zeon256/sc2001 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6b90b6e28d9ceb85b56d5fac5a0e7441e3f389082388d661f4a7aef70f17223 [INFO] running `Command { std: "docker" "start" "-a" "a6b90b6e28d9ceb85b56d5fac5a0e7441e3f389082388d661f4a7aef70f17223", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6b90b6e28d9ceb85b56d5fac5a0e7441e3f389082388d661f4a7aef70f17223", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6b90b6e28d9ceb85b56d5fac5a0e7441e3f389082388d661f4a7aef70f17223", kill_on_drop: false }` [INFO] [stdout] a6b90b6e28d9ceb85b56d5fac5a0e7441e3f389082388d661f4a7aef70f17223 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4c28bbaabcff87a5c3a2bad664768bedd08b038db3a0e87c5bba6766ab1297ba [INFO] running `Command { std: "docker" "start" "-a" "4c28bbaabcff87a5c3a2bad664768bedd08b038db3a0e87c5bba6766ab1297ba", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling libmimalloc-sys v0.1.25 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking lab3 v0.1.0 (/opt/rustwide/workdir/lab3) [INFO] [stderr] Checking mimalloc v0.1.29 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking sc2001 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking lab1 v0.1.0 (/opt/rustwide/workdir/lab1) [INFO] [stderr] Checking lab2 v0.1.0 (/opt/rustwide/workdir/lab2) [INFO] [stdout] warning: unused import: `MatrixGraph` [INFO] [stdout] --> lab2/benches/graph_benchmark.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | graph::{ListGraph, MatrixGraph}, assert_graph_edge, djikstra_bheap_matrix, djikstra_array_pq_list_graph, djikstra_array_pq_matrix, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `WyRand` [INFO] [stdout] --> lab2/benches/graph_benchmark.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use nanorand::{Rng, WyRand}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `heap_sort::HeapSort`, `merge_sort::MergeSort`, `quicksort::QuickSort` [INFO] [stdout] --> lab1/benches/sort_benchmark.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | heap_sort::HeapSort, insertion_merge::InsertionMergeSort, merge_sort::MergeSort, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 6 | quicksort::QuickSort, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rand_array_10mill` [INFO] [stdout] --> lab1/benches/sort_benchmark.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let rand_array_10mill = gen_random_array::<10_000_000, _>(424); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_array_10mill` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uf` [INFO] [stdout] --> src/union_find.rs:168:13 [INFO] [stdout] | [INFO] [stdout] 168 | let uf = UnionFind::::new(10); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_uf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uf` [INFO] [stdout] --> src/union_find.rs:169:13 [INFO] [stdout] | [INFO] [stdout] 169 | let uf = UnionFind::::new(10); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_uf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uf` [INFO] [stdout] --> src/union_find.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let uf = UnionFind::>::new(10); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_uf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uf` [INFO] [stdout] --> src/kruskal.rs:77:14 [INFO] [stdout] | [INFO] [stdout] 77 | let (uf, cost) = kruskal(graph).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_uf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uf` [INFO] [stdout] --> src/kruskal.rs:93:14 [INFO] [stdout] | [INFO] [stdout] 93 | let (uf, cost) = kruskal(graph).unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_uf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.26s [INFO] running `Command { std: "docker" "inspect" "4c28bbaabcff87a5c3a2bad664768bedd08b038db3a0e87c5bba6766ab1297ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c28bbaabcff87a5c3a2bad664768bedd08b038db3a0e87c5bba6766ab1297ba", kill_on_drop: false }` [INFO] [stdout] 4c28bbaabcff87a5c3a2bad664768bedd08b038db3a0e87c5bba6766ab1297ba [INFO] checking zeon256/sc2001 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeon256%2Fsc2001" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zeon256/sc2001 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/zeon256/sc2001 [INFO] finished tweaking git repo https://github.com/zeon256/sc2001 [INFO] tweaked toml for git repo https://github.com/zeon256/sc2001 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zeon256/sc2001 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d39b1a0a8d543103680835e1e7965c904f9a681c8003965d00d4d3d9071b2a80 [INFO] running `Command { std: "docker" "start" "-a" "d39b1a0a8d543103680835e1e7965c904f9a681c8003965d00d4d3d9071b2a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d39b1a0a8d543103680835e1e7965c904f9a681c8003965d00d4d3d9071b2a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d39b1a0a8d543103680835e1e7965c904f9a681c8003965d00d4d3d9071b2a80", kill_on_drop: false }` [INFO] [stdout] d39b1a0a8d543103680835e1e7965c904f9a681c8003965d00d4d3d9071b2a80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e38129cb924ba1acb9e3552d61096a9bcd988988607402b6b35bba9003970bd2 [INFO] running `Command { std: "docker" "start" "-a" "e38129cb924ba1acb9e3552d61096a9bcd988988607402b6b35bba9003970bd2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.11/src/sync/parker.rs:368:25 [INFO] [stdout] | [INFO] [stdout] 368 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 369 | | NOTIFIED | PARKED => return, [INFO] [stdout] 370 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 371 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [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" "e38129cb924ba1acb9e3552d61096a9bcd988988607402b6b35bba9003970bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e38129cb924ba1acb9e3552d61096a9bcd988988607402b6b35bba9003970bd2", kill_on_drop: false }` [INFO] [stdout] e38129cb924ba1acb9e3552d61096a9bcd988988607402b6b35bba9003970bd2