[INFO] cloning repository https://github.com/Axmouth/percolation-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Axmouth/percolation-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxmouth%2Fpercolation-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxmouth%2Fpercolation-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 413fcbbb84920b810c592b58cbe8cebbabbe15bc
[INFO] testing Axmouth/percolation-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxmouth%2Fpercolation-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axmouth/percolation-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Axmouth/percolation-rust
[INFO] finished tweaking git repo https://github.com/Axmouth/percolation-rust
[INFO] tweaked toml for git repo https://github.com/Axmouth/percolation-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Axmouth/percolation-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c85033c7670b341412cf3bff4af3e8ca02159fec2f0feeeb0b4e376e3b9fcfba
[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" "c85033c7670b341412cf3bff4af3e8ca02159fec2f0feeeb0b4e376e3b9fcfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85033c7670b341412cf3bff4af3e8ca02159fec2f0feeeb0b4e376e3b9fcfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85033c7670b341412cf3bff4af3e8ca02159fec2f0feeeb0b4e376e3b9fcfba", kill_on_drop: false }`
[INFO] [stdout] c85033c7670b341412cf3bff4af3e8ca02159fec2f0feeeb0b4e376e3b9fcfba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468eb8774165af838f6253885706321a008a02853b9bc037248eba84ed74301a
[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" "468eb8774165af838f6253885706321a008a02853b9bc037248eba84ed74301a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling png v0.16.4
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.72.0
[INFO] [stderr]    Compiling pistoncore-input v0.28.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling pistoncore-window v0.45.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.50.0
[INFO] [stderr]    Compiling piston v0.50.0
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.64.0
[INFO] [stderr]    Compiling percolation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `rows` is never read
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut rows = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cols` is never read
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut cols = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `btn`
[INFO] [stdout]   --> src/percolation_grid.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn pressed(&mut self, btn: &Button) {}
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_btn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_grid_state`
[INFO] [stdout]   --> src/percolation_grid.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn reset_grid_state(&mut self) {
[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: `convert_indice`
[INFO] [stdout]   --> src/percolation_grid.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn convert_indice(&self, row: u32, col: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_open_sites`
[INFO] [stdout]    --> src/percolation.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn number_of_open_sites(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connected`
[INFO] [stdout]   --> src/weighted_union_find.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn connected(&mut self, p: u32, q: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "468eb8774165af838f6253885706321a008a02853b9bc037248eba84ed74301a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468eb8774165af838f6253885706321a008a02853b9bc037248eba84ed74301a", kill_on_drop: false }`
[INFO] [stdout] 468eb8774165af838f6253885706321a008a02853b9bc037248eba84ed74301a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 75679e4463c188d1ecf44d98d3d98869c0ef59b80db243c7ef497a26f56976e1
[INFO] running `Command { std: "docker" "start" "-a" "75679e4463c188d1ecf44d98d3d98869c0ef59b80db243c7ef497a26f56976e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling percolation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `rows` is never read
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut rows = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cols` is never read
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut cols = String::new();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `btn`
[INFO] [stdout]   --> src/percolation_grid.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn pressed(&mut self, btn: &Button) {}
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_btn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_grid_state`
[INFO] [stdout]   --> src/percolation_grid.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn reset_grid_state(&mut self) {
[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: `convert_indice`
[INFO] [stdout]   --> src/percolation_grid.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn convert_indice(&self, row: u32, col: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_open_sites`
[INFO] [stdout]    --> src/percolation.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn number_of_open_sites(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connected`
[INFO] [stdout]   --> src/weighted_union_find.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn connected(&mut self, p: u32, q: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "75679e4463c188d1ecf44d98d3d98869c0ef59b80db243c7ef497a26f56976e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75679e4463c188d1ecf44d98d3d98869c0ef59b80db243c7ef497a26f56976e1", kill_on_drop: false }`
[INFO] [stdout] 75679e4463c188d1ecf44d98d3d98869c0ef59b80db243c7ef497a26f56976e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 741b90efbecf0a9ec6085c1b0e55f111764bd8d7c50a173bf6d6085fcf736394
[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" "741b90efbecf0a9ec6085c1b0e55f111764bd8d7c50a173bf6d6085fcf736394", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `rows` is never read
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut rows = String::new();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cols` is never read
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut cols = String::new();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `btn`
[INFO] [stderr]   --> src/percolation_grid.rs:87:31
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn pressed(&mut self, btn: &Button) {}
[INFO] [stderr]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_btn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset_grid_state`
[INFO] [stderr]   --> src/percolation_grid.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn reset_grid_state(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `convert_indice`
[INFO] [stderr]   --> src/percolation_grid.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn convert_indice(&self, row: u32, col: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `number_of_open_sites`
[INFO] [stderr]    --> src/percolation.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn number_of_open_sites(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `connected`
[INFO] [stderr]   --> src/weighted_union_find.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn connected(&mut self, p: u32, q: u32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/percolation-76927cde99fbe53b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "741b90efbecf0a9ec6085c1b0e55f111764bd8d7c50a173bf6d6085fcf736394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741b90efbecf0a9ec6085c1b0e55f111764bd8d7c50a173bf6d6085fcf736394", kill_on_drop: false }`
[INFO] [stdout] 741b90efbecf0a9ec6085c1b0e55f111764bd8d7c50a173bf6d6085fcf736394