[INFO] cloning repository https://github.com/Swepedia/mazes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swepedia/mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwepedia%2Fmazes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwepedia%2Fmazes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f671cc72fac81e3c1bce0bb2892250052a34d6a0 [INFO] checking Swepedia/mazes against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwepedia%2Fmazes" "/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/Swepedia/mazes 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/Swepedia/mazes [INFO] finished tweaking git repo https://github.com/Swepedia/mazes [INFO] tweaked toml for git repo https://github.com/Swepedia/mazes written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Swepedia/mazes 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] be226d200a1ffa945df1a6acddc56d0027aa4efe29ee9378fecbb23658790543 [INFO] running `Command { std: "docker" "start" "-a" "be226d200a1ffa945df1a6acddc56d0027aa4efe29ee9378fecbb23658790543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be226d200a1ffa945df1a6acddc56d0027aa4efe29ee9378fecbb23658790543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be226d200a1ffa945df1a6acddc56d0027aa4efe29ee9378fecbb23658790543", kill_on_drop: false }` [INFO] [stdout] be226d200a1ffa945df1a6acddc56d0027aa4efe29ee9378fecbb23658790543 [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] 4c51b0cadb00aa8fc9428dbb1993e88954cf186052aa70653ae7d9b0280ff1b9 [INFO] running `Command { std: "docker" "start" "-a" "4c51b0cadb00aa8fc9428dbb1993e88954cf186052aa70653ae7d9b0280ff1b9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.6.2 [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 petgraph v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [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 labyrinth_loper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `binary_tree` is never used [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn binary_tree(input_graph: &mut Grid) -> &mut Grid { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sidewinder` is never used [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn sidewinder(input_graph: &mut Grid) -> &mut Grid { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rows` is never read [INFO] [stdout] --> src/grid.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Grid { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 7 | pub rows: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `each_row` and `print_png` are never used [INFO] [stdout] --> src/grid.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn each_row(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn print_png(&self, size: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/node.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | pub x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 6 | pub y: u32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `binary_tree` is never used [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn binary_tree(input_graph: &mut Grid) -> &mut Grid { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sidewinder` is never used [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn sidewinder(input_graph: &mut Grid) -> &mut Grid { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rows` is never read [INFO] [stdout] --> src/grid.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Grid { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 7 | pub rows: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `each_row` and `print_png` are never used [INFO] [stdout] --> src/grid.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn each_row(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn print_png(&self, size: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/node.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | pub x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 6 | pub y: u32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 4.32s [INFO] running `Command { std: "docker" "inspect" "4c51b0cadb00aa8fc9428dbb1993e88954cf186052aa70653ae7d9b0280ff1b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c51b0cadb00aa8fc9428dbb1993e88954cf186052aa70653ae7d9b0280ff1b9", kill_on_drop: false }` [INFO] [stdout] 4c51b0cadb00aa8fc9428dbb1993e88954cf186052aa70653ae7d9b0280ff1b9 [INFO] checking Swepedia/mazes against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwepedia%2Fmazes" "/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/Swepedia/mazes 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/Swepedia/mazes [INFO] finished tweaking git repo https://github.com/Swepedia/mazes [INFO] tweaked toml for git repo https://github.com/Swepedia/mazes written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Swepedia/mazes 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] 310d96d51ab8e319b7c2b7b2e8c74a0b2e8bd3bee43a87eef5efe874755b4cd6 [INFO] running `Command { std: "docker" "start" "-a" "310d96d51ab8e319b7c2b7b2e8c74a0b2e8bd3bee43a87eef5efe874755b4cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "310d96d51ab8e319b7c2b7b2e8c74a0b2e8bd3bee43a87eef5efe874755b4cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310d96d51ab8e319b7c2b7b2e8c74a0b2e8bd3bee43a87eef5efe874755b4cd6", kill_on_drop: false }` [INFO] [stdout] 310d96d51ab8e319b7c2b7b2e8c74a0b2e8bd3bee43a87eef5efe874755b4cd6 [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] 2d5b7c6d8ce04ebe4fe0d6797a25a24bed8ccbaffc7ca15f05c83847b9e37766 [INFO] running `Command { std: "docker" "start" "-a" "2d5b7c6d8ce04ebe4fe0d6797a25a24bed8ccbaffc7ca15f05c83847b9e37766", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [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] [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] running `Command { std: "docker" "inspect" "2d5b7c6d8ce04ebe4fe0d6797a25a24bed8ccbaffc7ca15f05c83847b9e37766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d5b7c6d8ce04ebe4fe0d6797a25a24bed8ccbaffc7ca15f05c83847b9e37766", kill_on_drop: false }` [INFO] [stdout] 2d5b7c6d8ce04ebe4fe0d6797a25a24bed8ccbaffc7ca15f05c83847b9e37766