[INFO] updating cached repository https://github.com/iwburns/rusty-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b63e298086cc1f2028e3851403ef2f9780204165
[INFO] testing iwburns/rusty-life against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwburns%2Frusty-life" "/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/iwburns/rusty-life on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iwburns/rusty-life
[INFO] finished tweaking git repo https://github.com/iwburns/rusty-life
[INFO] tweaked toml for git repo https://github.com/iwburns/rusty-life written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/iwburns/rusty-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e5267ad11b6d5d689f7bb1c2a08faa3079030a5011ccf7ab44bc7eab29f92c
[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" "49e5267ad11b6d5d689f7bb1c2a08faa3079030a5011ccf7ab44bc7eab29f92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e5267ad11b6d5d689f7bb1c2a08faa3079030a5011ccf7ab44bc7eab29f92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e5267ad11b6d5d689f7bb1c2a08faa3079030a5011ccf7ab44bc7eab29f92c", kill_on_drop: false }`
[INFO] [stdout] 49e5267ad11b6d5d689f7bb1c2a08faa3079030a5011ccf7ab44bc7eab29f92c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49dfc452bc2a3b0795cd661c6b7b0ba636cbcfbedc9bb11e1b69637fb453173b
[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" "49dfc452bc2a3b0795cd661c6b7b0ba636cbcfbedc9bb11e1b69637fb453173b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling serde v1.0.29
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling dlib v0.4.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rusttype v0.4.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.29
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling wayland-window v0.13.2
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.52.0
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling pistoncore-window v0.31.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.36.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.45.2
[INFO] [stderr]    Compiling piston v0.36.0
[INFO] [stderr]    Compiling rusty_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/mod.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .map(|(i, &cell)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/app/mod.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/state.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0..cells.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "49dfc452bc2a3b0795cd661c6b7b0ba636cbcfbedc9bb11e1b69637fb453173b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dfc452bc2a3b0795cd661c6b7b0ba636cbcfbedc9bb11e1b69637fb453173b", kill_on_drop: false }`
[INFO] [stdout] 49dfc452bc2a3b0795cd661c6b7b0ba636cbcfbedc9bb11e1b69637fb453173b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256e46d3996a01fd3a0aea2ef3e61a7784e545b506d293b622f812f6220cf49e
[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" "256e46d3996a01fd3a0aea2ef3e61a7784e545b506d293b622f812f6220cf49e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/mod.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .map(|(i, &cell)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/app/mod.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/app/state.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for i in 0..cells.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "256e46d3996a01fd3a0aea2ef3e61a7784e545b506d293b622f812f6220cf49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256e46d3996a01fd3a0aea2ef3e61a7784e545b506d293b622f812f6220cf49e", kill_on_drop: false }`
[INFO] [stdout] 256e46d3996a01fd3a0aea2ef3e61a7784e545b506d293b622f812f6220cf49e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a44b405dbae2d8b03acdf2ba794d115dc2de8b7c60598659a9e86d9c9873f44
[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" "8a44b405dbae2d8b03acdf2ba794d115dc2de8b7c60598659a9e86d9c9873f44", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/mod.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .map(|(i, &cell)| {
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app/mod.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/app/state.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in 0..cells.capacity() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_life-624d12088134bb59
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test app::state::test::test_modulo ... ok
[INFO] [stdout] test app::state::test::get_neighbor_indices_complex ... ok
[INFO] [stdout] test app::state::test::get_neighbor_indices_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a44b405dbae2d8b03acdf2ba794d115dc2de8b7c60598659a9e86d9c9873f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a44b405dbae2d8b03acdf2ba794d115dc2de8b7c60598659a9e86d9c9873f44", kill_on_drop: false }`
[INFO] [stdout] 8a44b405dbae2d8b03acdf2ba794d115dc2de8b7c60598659a9e86d9c9873f44