[INFO] cloning repository https://github.com/kunio-tsuruoka/rust-rock-paper-scissors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunio-tsuruoka/rust-rock-paper-scissors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunio-tsuruoka%2Frust-rock-paper-scissors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunio-tsuruoka%2Frust-rock-paper-scissors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407b59c7705573649bd6ff1d0127f4d4f2579732
[INFO] checking kunio-tsuruoka/rust-rock-paper-scissors against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunio-tsuruoka%2Frust-rock-paper-scissors" "/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/kunio-tsuruoka/rust-rock-paper-scissors on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunio-tsuruoka/rust-rock-paper-scissors
[INFO] finished tweaking git repo https://github.com/kunio-tsuruoka/rust-rock-paper-scissors
[INFO] tweaked toml for git repo https://github.com/kunio-tsuruoka/rust-rock-paper-scissors written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kunio-tsuruoka/rust-rock-paper-scissors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e73adefad3ac8f79843f35d0b2534c2a680a9f56c249b0355f24241f01694a72
[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" "e73adefad3ac8f79843f35d0b2534c2a680a9f56c249b0355f24241f01694a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73adefad3ac8f79843f35d0b2534c2a680a9f56c249b0355f24241f01694a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73adefad3ac8f79843f35d0b2534c2a680a9f56c249b0355f24241f01694a72", kill_on_drop: false }`
[INFO] [stdout] e73adefad3ac8f79843f35d0b2534c2a680a9f56c249b0355f24241f01694a72
[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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--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] 3efeabaa5137a94bd2459cf1ae4affd6bba7cab3a82b7aa1cd646e5f50267c06
[INFO] running `Command { std: "docker" "start" "-a" "3efeabaa5137a94bd2459cf1ae4affd6bba7cab3a82b7aa1cd646e5f50267c06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rock-paper-scissors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:33:49
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("failed to read line: {}")
[INFO] [stdout]    |                                                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("failed to read line: {}", ...)
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("{}", "failed to read line: {}")
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:33:49
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("failed to read line: {}")
[INFO] [stdout]    |                                                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("failed to read line: {}", ...)
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _       => panic!("{}", "failed to read line: {}")
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "3efeabaa5137a94bd2459cf1ae4affd6bba7cab3a82b7aa1cd646e5f50267c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efeabaa5137a94bd2459cf1ae4affd6bba7cab3a82b7aa1cd646e5f50267c06", kill_on_drop: false }`
[INFO] [stdout] 3efeabaa5137a94bd2459cf1ae4affd6bba7cab3a82b7aa1cd646e5f50267c06