[INFO] cloning repository https://github.com/erewok/milos-mazes-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erewok/milos-mazes-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6005e22ffeb49492b284baab17a955449428b736
[INFO] testing erewok/milos-mazes-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erewok/milos-mazes-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erewok/milos-mazes-rs
[INFO] finished tweaking git repo https://github.com/erewok/milos-mazes-rs
[INFO] tweaked toml for git repo https://github.com/erewok/milos-mazes-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/erewok/milos-mazes-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raqote v0.8.0
[INFO] [stderr]   Downloaded dwrote v0.11.0
[INFO] [stderr]   Downloaded lyon_geom v0.15.0
[INFO] [stderr]   Downloaded font-kit v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e569afed4605a04cf19e243a29bc65bc2b746e4a5c51824409766cd7c95ca53
[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" "7e569afed4605a04cf19e243a29bc65bc2b746e4a5c51824409766cd7c95ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e569afed4605a04cf19e243a29bc65bc2b746e4a5c51824409766cd7c95ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e569afed4605a04cf19e243a29bc65bc2b746e4a5c51824409766cd7c95ca53", kill_on_drop: false }`
[INFO] [stdout] 7e569afed4605a04cf19e243a29bc65bc2b746e4a5c51824409766cd7c95ca53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c22bff97e73f7d6324cbdf347f743c09ec96751d686919ea6333f0d1dcc83bc
[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" "3c22bff97e73f7d6324cbdf347f743c09ec96751d686919ea6333f0d1dcc83bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sw-composite v0.7.10
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling lyon_geom v0.15.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling font-kit v0.7.1
[INFO] [stderr]    Compiling raqote v0.8.0
[INFO] [stderr]    Compiling milos-mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/algorithms.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/grid.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn size(&self) -> i32 {
[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: `random_cell`
[INFO] [stdout]    --> src/grid.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn random_cell(&self) -> &cell::Cell {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/grid.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         dt.write_png(filename);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "3c22bff97e73f7d6324cbdf347f743c09ec96751d686919ea6333f0d1dcc83bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c22bff97e73f7d6324cbdf347f743c09ec96751d686919ea6333f0d1dcc83bc", kill_on_drop: false }`
[INFO] [stdout] 3c22bff97e73f7d6324cbdf347f743c09ec96751d686919ea6333f0d1dcc83bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 3432f11e48209663f469e78ca539846b617a2d1fd0f92fcef555fd5ad51f8b8b
[INFO] running `Command { std: "docker" "start" "-a" "3432f11e48209663f469e78ca539846b617a2d1fd0f92fcef555fd5ad51f8b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling milos-mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/algorithms.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/grid.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn size(&self) -> i32 {
[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: `random_cell`
[INFO] [stdout]    --> src/grid.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn random_cell(&self) -> &cell::Cell {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/grid.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         dt.write_png(filename);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "3432f11e48209663f469e78ca539846b617a2d1fd0f92fcef555fd5ad51f8b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3432f11e48209663f469e78ca539846b617a2d1fd0f92fcef555fd5ad51f8b8b", kill_on_drop: false }`
[INFO] [stdout] 3432f11e48209663f469e78ca539846b617a2d1fd0f92fcef555fd5ad51f8b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5f4b7688232de8ee8bcd0d0be2a33a582bdab58ce22fb396acd382be6a98c02
[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" "c5f4b7688232de8ee8bcd0d0be2a33a582bdab58ce22fb396acd382be6a98c02", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> src/algorithms.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]    --> src/grid.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn size(&self) -> i32 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `random_cell`
[INFO] [stderr]    --> src/grid.rs:176:12
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn random_cell(&self) -> &cell::Cell {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/grid.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         dt.write_png(filename);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/milos_mazes-f618c36fe0c7946c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5f4b7688232de8ee8bcd0d0be2a33a582bdab58ce22fb396acd382be6a98c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f4b7688232de8ee8bcd0d0be2a33a582bdab58ce22fb396acd382be6a98c02", kill_on_drop: false }`
[INFO] [stdout] c5f4b7688232de8ee8bcd0d0be2a33a582bdab58ce22fb396acd382be6a98c02
