[INFO] cloning repository https://github.com/yzhs/sokoban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yzhs/sokoban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzhs%2Fsokoban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzhs%2Fsokoban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56ec96ee316c6e93aa9def44a1658b64a37553bd
[INFO] checking yzhs/sokoban against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyzhs%2Fsokoban" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yzhs/sokoban on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yzhs/sokoban
[INFO] finished tweaking git repo https://github.com/yzhs/sokoban
[INFO] tweaked toml for git repo https://github.com/yzhs/sokoban written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yzhs/sokoban already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded quick-xml v0.18.1
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded png v0.16.1
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded wayland-client v0.20.12
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded wayland-commons v0.20.12
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded glium v0.22.0
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.35
[INFO] [stderr]   Downloaded colog v1.0.0
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded wayland-protocols v0.20.12
[INFO] [stderr]   Downloaded glium_text v0.13.0
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded shell32-sys v0.1.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.6
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded freetype-sys v0.7.1
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded image v0.23.2
[INFO] [stderr]   Downloaded half v1.5.0
[INFO] [stderr]   Downloaded wayland-scanner v0.20.12
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] [stderr]   Downloaded natord v1.0.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded wayland-sys v0.20.12
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dfa8cbb2f6c02a7f8309308a99480ff3d1e12cbcbf7a4bd9cde2a98cd45857a
[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" "1dfa8cbb2f6c02a7f8309308a99480ff3d1e12cbcbf7a4bd9cde2a98cd45857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dfa8cbb2f6c02a7f8309308a99480ff3d1e12cbcbf7a4bd9cde2a98cd45857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dfa8cbb2f6c02a7f8309308a99480ff3d1e12cbcbf7a4bd9cde2a98cd45857a", kill_on_drop: false }`
[INFO] [stdout] 1dfa8cbb2f6c02a7f8309308a99480ff3d1e12cbcbf7a4bd9cde2a98cd45857a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a990e2d16094d4e611f34f240ae88a5acd211e56cb8beed8b9d33938d26a90e
[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" "2a990e2d16094d4e611f34f240ae88a5acd211e56cb8beed8b9d33938d26a90e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling freetype-sys v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking colog v1.0.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking glium_text v0.13.0
[INFO] [stderr]     Checking sokoban v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, feature(plugin))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sokoban`.
[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] [stdout] warning: associated function is never used: `visualise_graph`
[INFO] [stdout]    --> src/current_level/pathfinding.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn visualise_graph(&self, graph: &Graph<Position>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_worker`
[INFO] [stdout]    --> src/current_level.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn move_worker(&mut self, direction: Direction) -> Event {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_towards_position`
[INFO] [stdout]    --> src/current_level.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn push_towards_position(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2a990e2d16094d4e611f34f240ae88a5acd211e56cb8beed8b9d33938d26a90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a990e2d16094d4e611f34f240ae88a5acd211e56cb8beed8b9d33938d26a90e", kill_on_drop: false }`
[INFO] [stdout] 2a990e2d16094d4e611f34f240ae88a5acd211e56cb8beed8b9d33938d26a90e
