[INFO] cloning repository https://github.com/mmhanif/gol_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmhanif/gol_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmhanif%2Fgol_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmhanif%2Fgol_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79abecfcc31e952bebb905ad558cd596ffc9c492
[INFO] testing mmhanif/gol_rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmhanif%2Fgol_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmhanif/gol_rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmhanif/gol_rust
[INFO] finished tweaking git repo https://github.com/mmhanif/gol_rust
[INFO] tweaked toml for git repo https://github.com/mmhanif/gol_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mmhanif/gol_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda60025b47dd5e650823e9b8fde2cdf9fce8fb9c0f7b20a728bf8fdb2e8be00
[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" "cda60025b47dd5e650823e9b8fde2cdf9fce8fb9c0f7b20a728bf8fdb2e8be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda60025b47dd5e650823e9b8fde2cdf9fce8fb9c0f7b20a728bf8fdb2e8be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda60025b47dd5e650823e9b8fde2cdf9fce8fb9c0f7b20a728bf8fdb2e8be00", kill_on_drop: false }`
[INFO] [stdout] cda60025b47dd5e650823e9b8fde2cdf9fce8fb9c0f7b20a728bf8fdb2e8be00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c2dc673a547c069604d3caa1f00dca1de9eb7d24416d225f816dfb6730eee36
[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" "2c2dc673a547c069604d3caa1f00dca1de9eb7d24416d225f816dfb6730eee36", kill_on_drop: false }`
[INFO] [stderr]    Compiling timeit v0.1.2
[INFO] [stderr]    Compiling gol_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "2c2dc673a547c069604d3caa1f00dca1de9eb7d24416d225f816dfb6730eee36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2dc673a547c069604d3caa1f00dca1de9eb7d24416d225f816dfb6730eee36", kill_on_drop: false }`
[INFO] [stdout] 2c2dc673a547c069604d3caa1f00dca1de9eb7d24416d225f816dfb6730eee36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df93160a5c7001099e1f6ddcb7fb3539a11e6b191bcea90683de8e64489433e5
[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" "df93160a5c7001099e1f6ddcb7fb3539a11e6b191bcea90683de8e64489433e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gol_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "df93160a5c7001099e1f6ddcb7fb3539a11e6b191bcea90683de8e64489433e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df93160a5c7001099e1f6ddcb7fb3539a11e6b191bcea90683de8e64489433e5", kill_on_drop: false }`
[INFO] [stdout] df93160a5c7001099e1f6ddcb7fb3539a11e6b191bcea90683de8e64489433e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d38ec04d81c7b5a6d757fa5dd5110590130b3f13e7fd4498f2133ba4f35732f4
[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" "d38ec04d81c7b5a6d757fa5dd5110590130b3f13e7fd4498f2133ba4f35732f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gol_rust-ed30b41be2555aff
[INFO] [stdout] running 18 tests
[INFO] [stdout] test gol_1::dead_cell_with_three_living_neighbors_lives ... ok
[INFO] [stdout] test gol_3::empty_universe_stays_empty ... ok
[INFO] [stdout] test gol_3::full_pattern_test ... ok
[INFO] [stdout] test gol_3::dead_cell_with_three_living_neighbors_lives ... ok
[INFO] [stdout] test gol_3::living_cell_with_four_living_neighbors_lives ... ok
[INFO] [stdout] test gol_3::living_cell_with_no_living_neighbors_dies ... ok
[INFO] [stdout] test gol_1::empty_universe_stays_empty ... ok
[INFO] [stdout] test gol_2::empty_universe_stays_empty ... ok
[INFO] [stdout] test gol_2::dead_cell_with_three_living_neighbors_lives ... ok
[INFO] [stdout] test gol_3::living_cell_with_two_living_neighbors_lives ... ok
[INFO] [stdout] test gol_1::living_cell_with_two_living_neighbors_lives ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gol_rust-0f9c2062f7cf59f1
[INFO] [stdout] test gol_1::living_cell_with_four_living_neighbors_lives ... ok
[INFO] [stdout] test gol_2::living_cell_with_two_living_neighbors_lives ... ok
[INFO] [stdout] test gol_2::full_pattern_test ... ok
[INFO] [stdout] test gol_2::living_cell_with_four_living_neighbors_lives ... ok
[INFO] [stdout] test gol_1::living_cell_with_no_living_neighbors_dies ... ok
[INFO] [stdout] test gol_2::living_cell_with_no_living_neighbors_dies ... ok
[INFO] [stdout] test gol_1::full_pattern_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gol_rust
[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] [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" "d38ec04d81c7b5a6d757fa5dd5110590130b3f13e7fd4498f2133ba4f35732f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38ec04d81c7b5a6d757fa5dd5110590130b3f13e7fd4498f2133ba4f35732f4", kill_on_drop: false }`
[INFO] [stdout] d38ec04d81c7b5a6d757fa5dd5110590130b3f13e7fd4498f2133ba4f35732f4