[INFO] cloning repository https://github.com/hkapp/hakarl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkapp/hakarl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e999bade9a7554b2b4d5d792c0fb0dedb998935 [INFO] checking hkapp/hakarl against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkapp%2Fhakarl" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hkapp/hakarl on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hkapp/hakarl [INFO] finished tweaking git repo https://github.com/hkapp/hakarl [INFO] tweaked toml for git repo https://github.com/hkapp/hakarl written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/hkapp/hakarl already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 634396299e27f05f0822cc9c41303faaa6423c0e655089ec72a6e36f82a17a36 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "634396299e27f05f0822cc9c41303faaa6423c0e655089ec72a6e36f82a17a36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "634396299e27f05f0822cc9c41303faaa6423c0e655089ec72a6e36f82a17a36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "634396299e27f05f0822cc9c41303faaa6423c0e655089ec72a6e36f82a17a36", kill_on_drop: false }` [INFO] [stdout] 634396299e27f05f0822cc9c41303faaa6423c0e655089ec72a6e36f82a17a36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ba0f1c2452016956c0c750ba1ce7699fe7631cea23070ed67bc2c27f760305b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7ba0f1c2452016956c0c750ba1ce7699fe7631cea23070ed67bc2c27f760305b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking object v0.21.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.17 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking atomic-option v0.1.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling chess v3.1.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.53 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking hakarl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `File` is imported redundantly [INFO] [stdout] --> src/pgn.rs:302:9 [INFO] [stdout] | [INFO] [stdout] 1 | use chess::{self, ChessMove, Piece, Board, Color, Square, File}; [INFO] [stdout] | ---- the item `File` is already imported here [INFO] [stdout] ... [INFO] [stdout] 302 | use chess::File; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::iter` [INFO] [stdout] --> src/play/searchtree.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::iter; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/play/searchtree.rs:215:6 [INFO] [stdout] | [INFO] [stdout] 215 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/play/searchtree.rs:250:6 [INFO] [stdout] | [INFO] [stdout] 250 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `File` is imported redundantly [INFO] [stdout] --> src/pgn.rs:302:9 [INFO] [stdout] | [INFO] [stdout] 1 | use chess::{self, ChessMove, Piece, Board, Color, Square, File}; [INFO] [stdout] | ---- the item `File` is already imported here [INFO] [stdout] ... [INFO] [stdout] 302 | use chess::File; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::iter` [INFO] [stdout] --> src/play/searchtree.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::iter; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/play/searchtree.rs:215:6 [INFO] [stdout] | [INFO] [stdout] 215 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/play/searchtree.rs:250:6 [INFO] [stdout] | [INFO] [stdout] 250 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0391]: cycle detected when computing the supertraits of `play::searchtree::TreeIterator` [INFO] [stdout] --> src/play/searchtree.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | trait TreeIterator: Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: ...which again requires computing the supertraits of `play::searchtree::TreeIterator`, completing the cycle [INFO] [stdout] note: cycle used when collecting item types in module `play::searchtree` [INFO] [stdout] --> src/play/searchtree.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | trait TreeIterator: Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0391]: cycle detected when computing the supertraits of `play::searchtree::TreeIterator` [INFO] [stdout] --> src/play/searchtree.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | trait TreeIterator: Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: ...which again requires computing the supertraits of `play::searchtree::TreeIterator`, completing the cycle [INFO] [stdout] note: cycle used when collecting item types in module `play::searchtree` [INFO] [stdout] --> src/play/searchtree.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | trait TreeIterator: Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hakarl` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7ba0f1c2452016956c0c750ba1ce7699fe7631cea23070ed67bc2c27f760305b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ba0f1c2452016956c0c750ba1ce7699fe7631cea23070ed67bc2c27f760305b", kill_on_drop: false }` [INFO] [stdout] 7ba0f1c2452016956c0c750ba1ce7699fe7631cea23070ed67bc2c27f760305b