[INFO] cloning repository https://github.com/Nukesor/collatz_conjecture [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nukesor/collatz_conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fcollatz_conjecture", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fcollatz_conjecture'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b0b42fb3e53113b6bbac6e8f078fa45579e56a9 [INFO] checking Nukesor/collatz_conjecture against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fcollatz_conjecture" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nukesor/collatz_conjecture 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/Nukesor/collatz_conjecture [INFO] finished tweaking git repo https://github.com/Nukesor/collatz_conjecture [INFO] tweaked toml for git repo https://github.com/Nukesor/collatz_conjecture written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Nukesor/collatz_conjecture 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-demangle v0.1.20 [INFO] [stderr] Downloaded owo-colors v1.3.0 [INFO] [stderr] Downloaded tracing-error v0.1.2 [INFO] [stderr] Downloaded eyre v0.6.5 [INFO] [stderr] Downloaded sharded-slab v0.1.2 [INFO] [stderr] Downloaded backtrace v0.3.61 [INFO] [stderr] Downloaded object v0.26.0 [INFO] [stderr] Downloaded color-spantrace v0.1.6 [INFO] [stderr] Downloaded color-eyre v0.5.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 13f6f90c6cac6b9d1cfc39f7efc11676946129968760b32b2ee33962654bfe94 [INFO] running `Command { std: "docker" "start" "-a" "13f6f90c6cac6b9d1cfc39f7efc11676946129968760b32b2ee33962654bfe94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13f6f90c6cac6b9d1cfc39f7efc11676946129968760b32b2ee33962654bfe94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13f6f90c6cac6b9d1cfc39f7efc11676946129968760b32b2ee33962654bfe94", kill_on_drop: false }` [INFO] [stdout] 13f6f90c6cac6b9d1cfc39f7efc11676946129968760b32b2ee33962654bfe94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 70242fca0a0afa4bbef91a92a99873a6d6b031c5facf8f9b1f12509ab8b7de52 [INFO] running `Command { std: "docker" "start" "-a" "70242fca0a0afa4bbef91a92a99873a6d6b031c5facf8f9b1f12509ab8b7de52", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking sharded-slab v0.1.2 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking tracing-subscriber v0.2.19 [INFO] [stderr] Checking object v0.26.0 [INFO] [stderr] Checking num-format v0.4.0 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking collatz_conjecture v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hashset::hashset` [INFO] [stdout] --> src/algorithms/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use hashset::hashset; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `min_heap::min_heap` [INFO] [stdout] --> src/algorithms/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use min_heap::min_heap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vector::vector` [INFO] [stdout] --> src/algorithms/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use vector::vector; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hashset::hashset` [INFO] [stdout] --> src/algorithms/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use hashset::hashset; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `min_heap::min_heap` [INFO] [stdout] --> src/algorithms/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use min_heap::min_heap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vector::vector` [INFO] [stdout] --> src/algorithms/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use vector::vector; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `highest_sequential_number` is never read [INFO] [stdout] --> src/algorithms/hashset.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut highest_sequential_number = DEFAULT_MAX_PROVEN_NUMBER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `highest_sequential_number` is never read [INFO] [stdout] --> src/algorithms/hashset.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut highest_sequential_number = DEFAULT_MAX_PROVEN_NUMBER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `highest_sequential_number` is never read [INFO] [stdout] --> src/algorithms/vector.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut highest_sequential_number = DEFAULT_MAX_PROVEN_NUMBER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `highest_sequential_number` is never read [INFO] [stdout] --> src/algorithms/vector.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut highest_sequential_number = DEFAULT_MAX_PROVEN_NUMBER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `Command { std: "docker" "inspect" "70242fca0a0afa4bbef91a92a99873a6d6b031c5facf8f9b1f12509ab8b7de52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70242fca0a0afa4bbef91a92a99873a6d6b031c5facf8f9b1f12509ab8b7de52", kill_on_drop: false }` [INFO] [stdout] 70242fca0a0afa4bbef91a92a99873a6d6b031c5facf8f9b1f12509ab8b7de52 [INFO] checking Nukesor/collatz_conjecture against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fcollatz_conjecture" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nukesor/collatz_conjecture 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/Nukesor/collatz_conjecture [INFO] finished tweaking git repo https://github.com/Nukesor/collatz_conjecture [INFO] tweaked toml for git repo https://github.com/Nukesor/collatz_conjecture written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Nukesor/collatz_conjecture 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cc99815d2a37e6fa924de5cfb7f216a17df25705eadd00fb21e638b5485b770b [INFO] running `Command { std: "docker" "start" "-a" "cc99815d2a37e6fa924de5cfb7f216a17df25705eadd00fb21e638b5485b770b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc99815d2a37e6fa924de5cfb7f216a17df25705eadd00fb21e638b5485b770b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc99815d2a37e6fa924de5cfb7f216a17df25705eadd00fb21e638b5485b770b", kill_on_drop: false }` [INFO] [stdout] cc99815d2a37e6fa924de5cfb7f216a17df25705eadd00fb21e638b5485b770b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7c18a66989c22b38c08f8b4d5e387c0005eea837a7845acdf409c08074d212b9 [INFO] running `Command { std: "docker" "start" "-a" "7c18a66989c22b38c08f8b4d5e387c0005eea837a7845acdf409c08074d212b9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25 [INFO] [stdout] | [INFO] [stdout] 364 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 365 | | NOTIFIED | PARKED => return, [INFO] [stdout] 366 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 367 | | }; [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] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.4/src/inflate/core.rs:1060:9 [INFO] [stdout] | [INFO] [stdout] 1060 | / match state { [INFO] [stdout] 1061 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1062 | | l.bit_buf = 0; [INFO] [stdout] 1063 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1592 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1593 | | }; [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 `miniz_oxide` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7c18a66989c22b38c08f8b4d5e387c0005eea837a7845acdf409c08074d212b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c18a66989c22b38c08f8b4d5e387c0005eea837a7845acdf409c08074d212b9", kill_on_drop: false }` [INFO] [stdout] 7c18a66989c22b38c08f8b4d5e387c0005eea837a7845acdf409c08074d212b9