[INFO] cloning repository https://github.com/lfalkau/maze-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfalkau/maze-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5afb007b96063575179880a3472b1f58ac38b5e1 [INFO] checking lfalkau/maze-generator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lfalkau/maze-generator 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/lfalkau/maze-generator [INFO] finished tweaking git repo https://github.com/lfalkau/maze-generator [INFO] tweaked toml for git repo https://github.com/lfalkau/maze-generator written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lfalkau/maze-generator 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f42b9712a8d513d07760cc42af9923f96a0c103435e30bb146de210b9b874e49 [INFO] running `Command { std: "docker" "start" "-a" "f42b9712a8d513d07760cc42af9923f96a0c103435e30bb146de210b9b874e49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f42b9712a8d513d07760cc42af9923f96a0c103435e30bb146de210b9b874e49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f42b9712a8d513d07760cc42af9923f96a0c103435e30bb146de210b9b874e49", kill_on_drop: false }` [INFO] [stdout] f42b9712a8d513d07760cc42af9923f96a0c103435e30bb146de210b9b874e49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5c2805533e21f464e7a9818eb2e4fed42fd0b99316156621b5470b0d022feff8 [INFO] running `Command { std: "docker" "start" "-a" "5c2805533e21f464e7a9818eb2e4fed42fd0b99316156621b5470b0d022feff8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking bytemuck v1.7.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking maze-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `print_blockwise` is never used [INFO] [stdout] --> src/maze.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 104 | impl Maze { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 162 | pub fn print_blockwise(&self, free_char: char, wall_char: char) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Link` should have a snake case name [INFO] [stdout] --> src/maze.rs:224:7 [INFO] [stdout] | [INFO] [stdout] 224 | let Link: &mut Link = match direction { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `link` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_blockwise` is never used [INFO] [stdout] --> src/maze.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 104 | impl Maze { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 162 | pub fn print_blockwise(&self, free_char: char, wall_char: char) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Link` should have a snake case name [INFO] [stdout] --> src/maze.rs:224:7 [INFO] [stdout] | [INFO] [stdout] 224 | let Link: &mut Link = match direction { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `link` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s [INFO] running `Command { std: "docker" "inspect" "5c2805533e21f464e7a9818eb2e4fed42fd0b99316156621b5470b0d022feff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c2805533e21f464e7a9818eb2e4fed42fd0b99316156621b5470b0d022feff8", kill_on_drop: false }` [INFO] [stdout] 5c2805533e21f464e7a9818eb2e4fed42fd0b99316156621b5470b0d022feff8 [INFO] checking lfalkau/maze-generator against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lfalkau/maze-generator 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/lfalkau/maze-generator [INFO] finished tweaking git repo https://github.com/lfalkau/maze-generator [INFO] tweaked toml for git repo https://github.com/lfalkau/maze-generator written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lfalkau/maze-generator 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 82d8b8a7be66b7c4df1e1936d627ac612f98fefbfda39a265c08bbff8e2a461d [INFO] running `Command { std: "docker" "start" "-a" "82d8b8a7be66b7c4df1e1936d627ac612f98fefbfda39a265c08bbff8e2a461d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82d8b8a7be66b7c4df1e1936d627ac612f98fefbfda39a265c08bbff8e2a461d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82d8b8a7be66b7c4df1e1936d627ac612f98fefbfda39a265c08bbff8e2a461d", kill_on_drop: false }` [INFO] [stdout] 82d8b8a7be66b7c4df1e1936d627ac612f98fefbfda39a265c08bbff8e2a461d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ce3e82a499ac59a0bf89c156ee7c8879acf656f898f90cbb8e49d8c1429951f0 [INFO] running `Command { std: "docker" "start" "-a" "ce3e82a499ac59a0bf89c156ee7c8879acf656f898f90cbb8e49d8c1429951f0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking color_quant v1.1.0 [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[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.3.7/src/inflate/core.rs:1075:9 [INFO] [stdout] | [INFO] [stdout] 1075 | / match state { [INFO] [stdout] 1076 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1077 | | l.bit_buf = 0; [INFO] [stdout] 1078 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1607 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1608 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [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] [stderr] warning: build failed, waiting for other jobs to finish... [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] running `Command { std: "docker" "inspect" "ce3e82a499ac59a0bf89c156ee7c8879acf656f898f90cbb8e49d8c1429951f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce3e82a499ac59a0bf89c156ee7c8879acf656f898f90cbb8e49d8c1429951f0", kill_on_drop: false }` [INFO] [stdout] ce3e82a499ac59a0bf89c156ee7c8879acf656f898f90cbb8e49d8c1429951f0