[INFO] cloning repository https://github.com/kevinwang100/rust_hangman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinwang100/rust_hangman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinwang100%2Frust_hangman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinwang100%2Frust_hangman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4543fe2316ad0a625f33d8e7947afc44dbc4b0d0
[INFO] testing kevinwang100/rust_hangman against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinwang100%2Frust_hangman" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinwang100/rust_hangman on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinwang100/rust_hangman
[INFO] finished tweaking git repo https://github.com/kevinwang100/rust_hangman
[INFO] tweaked toml for git repo https://github.com/kevinwang100/rust_hangman written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinwang100/rust_hangman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 544698b895ad86f2f283a7dbbe0741520a4ff16e7eee526427cefb6101097d6b
[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" "544698b895ad86f2f283a7dbbe0741520a4ff16e7eee526427cefb6101097d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544698b895ad86f2f283a7dbbe0741520a4ff16e7eee526427cefb6101097d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544698b895ad86f2f283a7dbbe0741520a4ff16e7eee526427cefb6101097d6b", kill_on_drop: false }`
[INFO] [stdout] 544698b895ad86f2f283a7dbbe0741520a4ff16e7eee526427cefb6101097d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70532481734581d20605d4b944c0d52073331eb3182952f3ee45568bf498c9f
[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" "a70532481734581d20605d4b944c0d52073331eb3182952f3ee45568bf498c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling RustHangman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustHangman` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_hangman`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "a70532481734581d20605d4b944c0d52073331eb3182952f3ee45568bf498c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70532481734581d20605d4b944c0d52073331eb3182952f3ee45568bf498c9f", kill_on_drop: false }`
[INFO] [stdout] a70532481734581d20605d4b944c0d52073331eb3182952f3ee45568bf498c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86ccb3e7a694b9494f9e5c4a3ad694c68632b80e6971a394225032f70a997f50
[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" "86ccb3e7a694b9494f9e5c4a3ad694c68632b80e6971a394225032f70a997f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustHangman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustHangman` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_hangman`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "86ccb3e7a694b9494f9e5c4a3ad694c68632b80e6971a394225032f70a997f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ccb3e7a694b9494f9e5c4a3ad694c68632b80e6971a394225032f70a997f50", kill_on_drop: false }`
[INFO] [stdout] 86ccb3e7a694b9494f9e5c4a3ad694c68632b80e6971a394225032f70a997f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] c31b4ef47eb97b4adfd96cc48fa6763574b9f94d8fafef6e95d5e97ce023f910
[INFO] running `Command { std: "docker" "start" "-a" "c31b4ef47eb97b4adfd96cc48fa6763574b9f94d8fafef6e95d5e97ce023f910", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `RustHangman` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_hangman`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `RustHangman` (bin "RustHangman" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustHangman-e6113520469f3f58)
[INFO] running `Command { std: "docker" "inspect" "c31b4ef47eb97b4adfd96cc48fa6763574b9f94d8fafef6e95d5e97ce023f910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31b4ef47eb97b4adfd96cc48fa6763574b9f94d8fafef6e95d5e97ce023f910", kill_on_drop: false }`
[INFO] [stdout] c31b4ef47eb97b4adfd96cc48fa6763574b9f94d8fafef6e95d5e97ce023f910