[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#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunio-tsuruoka%2Frust-rock-paper-scissors" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunio-tsuruoka/rust-rock-paper-scissors on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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-8/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa84ad9e04a6ab0a6a7d877e6c1f971600373f969d2b8a8ba1ac40b80177c17f
[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" "fa84ad9e04a6ab0a6a7d877e6c1f971600373f969d2b8a8ba1ac40b80177c17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa84ad9e04a6ab0a6a7d877e6c1f971600373f969d2b8a8ba1ac40b80177c17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa84ad9e04a6ab0a6a7d877e6c1f971600373f969d2b8a8ba1ac40b80177c17f", kill_on_drop: false }`
[INFO] [stdout] fa84ad9e04a6ab0a6a7d877e6c1f971600373f969d2b8a8ba1ac40b80177c17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a330a473eaefcedb8301836f15ea1e0e9bfc4b2f1f2db711fce99e8032ad8ac3
[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" "a330a473eaefcedb8301836f15ea1e0e9bfc4b2f1f2db711fce99e8032ad8ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[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(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[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(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[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 5.42s
[INFO] running `Command { std: "docker" "inspect" "a330a473eaefcedb8301836f15ea1e0e9bfc4b2f1f2db711fce99e8032ad8ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a330a473eaefcedb8301836f15ea1e0e9bfc4b2f1f2db711fce99e8032ad8ac3", kill_on_drop: false }`
[INFO] [stdout] a330a473eaefcedb8301836f15ea1e0e9bfc4b2f1f2db711fce99e8032ad8ac3