[INFO] updating cached repository pipopa/rust-game-of-life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pipopa/rust-game-of-life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pipopa/rust-game-of-life" "work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pipopa/rust-game-of-life" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pipopa/rust-game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pipopa/rust-game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86538c34976e297e677508be9994e5d4d8f505a7
[INFO] sha for GitHub repo pipopa/rust-game-of-life: 86538c34976e297e677508be9994e5d4d8f505a7
[INFO] validating manifest of pipopa/rust-game-of-life on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pipopa/rust-game-of-life on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pipopa/rust-game-of-life
[INFO] finished frobbing pipopa/rust-game-of-life
[INFO] frobbed toml for pipopa/rust-game-of-life written to work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life/Cargo.toml
[INFO] started frobbing pipopa/rust-game-of-life
[INFO] finished frobbing pipopa/rust-game-of-life
[INFO] frobbed toml for pipopa/rust-game-of-life written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pipopa/rust-game-of-life/Cargo.toml
[INFO] crate pipopa/rust-game-of-life already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pipopa/rust-game-of-life against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 140f7334cc30d03aa3568c315fc442cbba23822a287c381de1c65e23ed41c353
[INFO] running `"docker" "start" "-a" "140f7334cc30d03aa3568c315fc442cbba23822a287c381de1c65e23ed41c353"`
[INFO] [stderr]    Compiling life_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn new(w: usize, h: usize) -> Field {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "140f7334cc30d03aa3568c315fc442cbba23822a287c381de1c65e23ed41c353"`
[INFO] running `"docker" "rm" "-f" "140f7334cc30d03aa3568c315fc442cbba23822a287c381de1c65e23ed41c353"`
[INFO] [stdout] 140f7334cc30d03aa3568c315fc442cbba23822a287c381de1c65e23ed41c353
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e8b6a0eafca94cc400fe6c55accd42620f1abbcbf7b6ac3ad009cc29a571f6ec
[INFO] running `"docker" "start" "-a" "e8b6a0eafca94cc400fe6c55accd42620f1abbcbf7b6ac3ad009cc29a571f6ec"`
[INFO] [stderr]    Compiling life_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn new(w: usize, h: usize) -> Field {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "e8b6a0eafca94cc400fe6c55accd42620f1abbcbf7b6ac3ad009cc29a571f6ec"`
[INFO] running `"docker" "rm" "-f" "e8b6a0eafca94cc400fe6c55accd42620f1abbcbf7b6ac3ad009cc29a571f6ec"`
[INFO] [stdout] e8b6a0eafca94cc400fe6c55accd42620f1abbcbf7b6ac3ad009cc29a571f6ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pipopa/rust-game-of-life:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b82f86f9dcc05e809c257a7531b728a1ff23ad734858d2f6482af25dc45d1c72
[INFO] running `"docker" "start" "-a" "b82f86f9dcc05e809c257a7531b728a1ff23ad734858d2f6482af25dc45d1c72"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/life_game-cb83154effbdf29e
[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 `"docker" "inspect" "b82f86f9dcc05e809c257a7531b728a1ff23ad734858d2f6482af25dc45d1c72"`
[INFO] running `"docker" "rm" "-f" "b82f86f9dcc05e809c257a7531b728a1ff23ad734858d2f6482af25dc45d1c72"`
[INFO] [stdout] b82f86f9dcc05e809c257a7531b728a1ff23ad734858d2f6482af25dc45d1c72