[INFO] cloning repository https://github.com/TheSamsa/langtons-ente
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSamsa/langtons-ente" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSamsa%2Flangtons-ente", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSamsa%2Flangtons-ente'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 123de6ade06fee5a5c3ff304579580e577bcf89f
[INFO] checking TheSamsa/langtons-ente against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSamsa%2Flangtons-ente" "/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/TheSamsa/langtons-ente on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheSamsa/langtons-ente
[INFO] finished tweaking git repo https://github.com/TheSamsa/langtons-ente
[INFO] tweaked toml for git repo https://github.com/TheSamsa/langtons-ente written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/TheSamsa/langtons-ente already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded env_logger v0.7.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1b146a70d7b8d550265ddca411e00fd2e4e158da580a448aede35f47774e269
[INFO] running `Command { std: "docker" "start" "-a" "e1b146a70d7b8d550265ddca411e00fd2e4e158da580a448aede35f47774e269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b146a70d7b8d550265ddca411e00fd2e4e158da580a448aede35f47774e269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b146a70d7b8d550265ddca411e00fd2e4e158da580a448aede35f47774e269", kill_on_drop: false }`
[INFO] [stdout] e1b146a70d7b8d550265ddca411e00fd2e4e158da580a448aede35f47774e269
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f71ddf992a120ce778bb9b58dfacc61045ac6dcc687fb1eb2ddb34b2e7b32d
[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" "a6f71ddf992a120ce778bb9b58dfacc61045ac6dcc687fb1eb2ddb34b2e7b32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking langtons-antn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Command`
[INFO] [stdout]  --> src/langtons/entities/face.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `face`
[INFO] [stdout]   --> src/langtons/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_face`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Command`
[INFO] [stdout]  --> src/langtons/entities/face.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/mod.rs:35:51
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn grab_or_create(&self, position: Position) {}
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `face`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_face`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plane_type`
[INFO] [stdout]  --> src/langtons/entities/plane.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     plane_type: PlaneType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `faces`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     faces: HashMap<Position, Face>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_or_create`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn grab_or_create(&self, position: Position) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_or_overwrite`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deltille`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Deltille,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hextille`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Hextille,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `internal_angle`
[INFO] [stdout]  --> src/langtons/entities/face.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     internal_angle: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colour`
[INFO] [stdout]  --> src/langtons/entities/face.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     colour: (usize, usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/langtons/entities.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Command {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/langtons/entities.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plane`
[INFO] [stdout]   --> src/langtons/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     plane: Plane,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active_face`
[INFO] [stdout]   --> src/langtons/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_face: Face,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `duck`
[INFO] [stdout]   --> src/langtons/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     duck: Duck,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `face`
[INFO] [stdout]   --> src/langtons/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_face`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/mod.rs:35:51
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn grab_or_create(&self, position: Position) {}
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `face`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_face`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plane_type`
[INFO] [stdout]  --> src/langtons/entities/plane.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     plane_type: PlaneType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `faces`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     faces: HashMap<Position, Face>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_or_create`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn grab_or_create(&self, position: Position) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_or_overwrite`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn append_or_overwrite(&mut self, face: Face, position: Position) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deltille`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Deltille,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hextille`
[INFO] [stdout]   --> src/langtons/entities/plane.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Hextille,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `internal_angle`
[INFO] [stdout]  --> src/langtons/entities/face.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     internal_angle: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colour`
[INFO] [stdout]  --> src/langtons/entities/face.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     colour: (usize, usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/langtons/entities.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Command {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/langtons/entities.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plane`
[INFO] [stdout]   --> src/langtons/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     plane: Plane,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active_face`
[INFO] [stdout]   --> src/langtons/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_face: Face,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `duck`
[INFO] [stdout]   --> src/langtons/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     duck: Duck,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "a6f71ddf992a120ce778bb9b58dfacc61045ac6dcc687fb1eb2ddb34b2e7b32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f71ddf992a120ce778bb9b58dfacc61045ac6dcc687fb1eb2ddb34b2e7b32d", kill_on_drop: false }`
[INFO] [stdout] a6f71ddf992a120ce778bb9b58dfacc61045ac6dcc687fb1eb2ddb34b2e7b32d