[INFO] cloning repository https://github.com/whostolemyhat/mazes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whostolemyhat/mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fmazes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fmazes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7efcaf86c6f6569ab70a818382224514c8e4e030 [INFO] checking whostolemyhat/mazes against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fmazes" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whostolemyhat/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/whostolemyhat/mazes [INFO] finished tweaking git repo https://github.com/whostolemyhat/mazes [INFO] tweaked toml for git repo https://github.com/whostolemyhat/mazes written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/whostolemyhat/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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded version-compare v0.0.11 [INFO] [stderr] Downloaded system-deps v3.2.0 [INFO] [stderr] Downloaded gobject-sys v0.14.0 [INFO] [stderr] Downloaded cairo-sys-rs v0.14.9 [INFO] [stderr] Downloaded glib-macros v0.14.1 [INFO] [stderr] Downloaded cfg-expr v0.8.1 [INFO] [stderr] Downloaded cairo-rs v0.14.9 [INFO] [stderr] Downloaded png v0.17.2 [INFO] [stderr] Downloaded glib v0.14.8 [INFO] [stderr] Downloaded libc v0.2.111 [INFO] [stderr] Downloaded glib-sys v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f2fae60298d6aa39ecf4d38d27b271f666efa184484231d7d50bf183665598c9 [INFO] running `Command { std: "docker" "start" "-a" "f2fae60298d6aa39ecf4d38d27b271f666efa184484231d7d50bf183665598c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2fae60298d6aa39ecf4d38d27b271f666efa184484231d7d50bf183665598c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2fae60298d6aa39ecf4d38d27b271f666efa184484231d7d50bf183665598c9", kill_on_drop: false }` [INFO] [stdout] f2fae60298d6aa39ecf4d38d27b271f666efa184484231d7d50bf183665598c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb52b670fbe182faa2f86be9f689decf96a783dce142daed7b5b699efd573275 [INFO] running `Command { std: "docker" "start" "-a" "fb52b670fbe182faa2f86be9f689decf96a783dce142daed7b5b699efd573275", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling version-compare v0.0.11 [INFO] [stderr] Compiling strum v0.21.0 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling libc v0.2.111 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling cfg-expr v0.8.1 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking deflate v0.9.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking png v0.17.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.0 [INFO] [stderr] Compiling system-deps v3.2.0 [INFO] [stderr] Compiling glib-macros v0.14.1 [INFO] [stderr] Compiling glib-sys v0.14.0 [INFO] [stderr] Compiling gobject-sys v0.14.0 [INFO] [stderr] Compiling cairo-sys-rs v0.14.9 [INFO] [stderr] Checking glib v0.14.8 [INFO] [stderr] Checking cairo-rs v0.14.9 [INFO] [stderr] Checking mazes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `unlink` is never used [INFO] [stdout] --> src/cell.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 21 | impl Cell { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | fn unlink(&mut self, cell_pos: &Position) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `unlink` is never used [INFO] [stdout] --> src/cell.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 21 | impl Cell { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | fn unlink(&mut self, cell_pos: &Position) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `random_cell` and `size` are never used [INFO] [stdout] --> src/grid.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 14 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn random_cell(&self) -> Option<&Cell> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `random_cell` and `size` are never used [INFO] [stdout] --> src/grid.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 14 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn random_cell(&self) -> Option<&Cell> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [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 8.27s [INFO] running `Command { std: "docker" "inspect" "fb52b670fbe182faa2f86be9f689decf96a783dce142daed7b5b699efd573275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb52b670fbe182faa2f86be9f689decf96a783dce142daed7b5b699efd573275", kill_on_drop: false }` [INFO] [stdout] fb52b670fbe182faa2f86be9f689decf96a783dce142daed7b5b699efd573275 [INFO] checking whostolemyhat/mazes against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fmazes" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whostolemyhat/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/whostolemyhat/mazes [INFO] finished tweaking git repo https://github.com/whostolemyhat/mazes [INFO] tweaked toml for git repo https://github.com/whostolemyhat/mazes written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/whostolemyhat/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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b1febfa329a4b9b53e7148706888d5ca02304e1d7ef0bef95b22e4f504b9c2f2 [INFO] running `Command { std: "docker" "start" "-a" "b1febfa329a4b9b53e7148706888d5ca02304e1d7ef0bef95b22e4f504b9c2f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1febfa329a4b9b53e7148706888d5ca02304e1d7ef0bef95b22e4f504b9c2f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1febfa329a4b9b53e7148706888d5ca02304e1d7ef0bef95b22e4f504b9c2f2", kill_on_drop: false }` [INFO] [stdout] b1febfa329a4b9b53e7148706888d5ca02304e1d7ef0bef95b22e4f504b9c2f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a322455d4b244cd613e6f65a17e2c115e5b8fe75191c117046864d274af17643 [INFO] running `Command { std: "docker" "start" "-a" "a322455d4b244cd613e6f65a17e2c115e5b8fe75191c117046864d274af17643", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling strum v0.21.0 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling version-compare v0.0.11 [INFO] [stderr] Compiling libc v0.2.111 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling cfg-expr v0.8.1 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking deflate v0.9.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling quote v1.0.10 [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] [stderr] Checking getrandom v0.2.3 [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" "a322455d4b244cd613e6f65a17e2c115e5b8fe75191c117046864d274af17643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a322455d4b244cd613e6f65a17e2c115e5b8fe75191c117046864d274af17643", kill_on_drop: false }` [INFO] [stdout] a322455d4b244cd613e6f65a17e2c115e5b8fe75191c117046864d274af17643