[INFO] cloning repository https://github.com/suguni/maze-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suguni/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 133b9c4e2bba62a48ea5a0f583861ed96b223a5a
[INFO] testing suguni/maze-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suguni/maze-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suguni/maze-rs
[INFO] finished tweaking git repo https://github.com/suguni/maze-rs
[INFO] tweaked toml for git repo https://github.com/suguni/maze-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/suguni/maze-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58966cdfd6dc2d9fa6c94a901293a28f3fc51aae52e7272c315fb276d7345f7e
[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" "58966cdfd6dc2d9fa6c94a901293a28f3fc51aae52e7272c315fb276d7345f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58966cdfd6dc2d9fa6c94a901293a28f3fc51aae52e7272c315fb276d7345f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58966cdfd6dc2d9fa6c94a901293a28f3fc51aae52e7272c315fb276d7345f7e", kill_on_drop: false }`
[INFO] [stdout] 58966cdfd6dc2d9fa6c94a901293a28f3fc51aae52e7272c315fb276d7345f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 1c67c6a3f641d26c1b47371a2abf1467f5fb78b92c1a213f3df8915da2d462dd
[INFO] running `Command { std: "docker" "start" "-a" "1c67c6a3f641d26c1b47371a2abf1467f5fb78b92c1a213f3df8915da2d462dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling maze-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `svg`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use svg;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line`
[INFO] [stdout]  --> src/export_svg.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_svg`
[INFO] [stdout]   --> src/export_svg.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `links`
[INFO] [stdout]   --> src/grid.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn links(&self) -> std::slice::Iter<'_, Weak<RefCell<GridCell>>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neighbor`
[INFO] [stdout]   --> src/grid.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "1c67c6a3f641d26c1b47371a2abf1467f5fb78b92c1a213f3df8915da2d462dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c67c6a3f641d26c1b47371a2abf1467f5fb78b92c1a213f3df8915da2d462dd", kill_on_drop: false }`
[INFO] [stdout] 1c67c6a3f641d26c1b47371a2abf1467f5fb78b92c1a213f3df8915da2d462dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ae6b4e9708ddb4e293ecd3002cff01c2e515d90d06a760b077ee7e13a22a3e
[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" "e0ae6b4e9708ddb4e293ecd3002cff01c2e515d90d06a760b077ee7e13a22a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `svg`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use svg;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line`
[INFO] [stdout]  --> src/export_svg.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_svg`
[INFO] [stdout]   --> src/export_svg.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neighbor`
[INFO] [stdout]   --> src/grid.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "e0ae6b4e9708ddb4e293ecd3002cff01c2e515d90d06a760b077ee7e13a22a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ae6b4e9708ddb4e293ecd3002cff01c2e515d90d06a760b077ee7e13a22a3e", kill_on_drop: false }`
[INFO] [stdout] e0ae6b4e9708ddb4e293ecd3002cff01c2e515d90d06a760b077ee7e13a22a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e45a500f073a16119289d962398ba60b4dd5d3622bade04b319b2513540bebb
[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" "3e45a500f073a16119289d962398ba60b4dd5d3622bade04b319b2513540bebb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `svg`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use svg;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line`
[INFO] [stderr]  --> src/export_svg.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_svg`
[INFO] [stderr]   --> src/export_svg.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `neighbor`
[INFO] [stderr]   --> src/grid.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maze-rs` (bin "maze-rs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maze_rs-36704852db399cde)
[INFO] [stdout] running 1 test
[INFO] [stdout] test grid::test_links ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/svg-ccdb4d82a7fbe718)
[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" "3e45a500f073a16119289d962398ba60b4dd5d3622bade04b319b2513540bebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e45a500f073a16119289d962398ba60b4dd5d3622bade04b319b2513540bebb", kill_on_drop: false }`
[INFO] [stdout] 3e45a500f073a16119289d962398ba60b4dd5d3622bade04b319b2513540bebb