[INFO] cloning repository https://github.com/mah-shee/abc129
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mah-shee/abc129" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc129", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc129'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e5978eb1302dd4ebc244b3ac809283aaf7b1ab3
[INFO] checking mah-shee/abc129 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmah-shee%2Fabc129" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mah-shee/abc129 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mah-shee/abc129
[INFO] finished tweaking git repo https://github.com/mah-shee/abc129
[INFO] tweaked toml for git repo https://github.com/mah-shee/abc129 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mah-shee/abc129 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 572e9ce39012e36bc3418d1cc8b7eb178604a4fc545720e5754ea976a0dcfa97
[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" "572e9ce39012e36bc3418d1cc8b7eb178604a4fc545720e5754ea976a0dcfa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "572e9ce39012e36bc3418d1cc8b7eb178604a4fc545720e5754ea976a0dcfa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572e9ce39012e36bc3418d1cc8b7eb178604a4fc545720e5754ea976a0dcfa97", kill_on_drop: false }`
[INFO] [stdout] 572e9ce39012e36bc3418d1cc8b7eb178604a4fc545720e5754ea976a0dcfa97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8113a7946f4813d7427e7bb43137f0202088787ac78eaff85f9bbd2cabc825d0
[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" "8113a7946f4813d7427e7bb43137f0202088787ac78eaff85f9bbd2cabc825d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking abc129 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/bin/c.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let r#mod = 1_000_000_007;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/bin/c.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let r#mod = 1_000_000_007;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.85s
[INFO] running `Command { std: "docker" "inspect" "8113a7946f4813d7427e7bb43137f0202088787ac78eaff85f9bbd2cabc825d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8113a7946f4813d7427e7bb43137f0202088787ac78eaff85f9bbd2cabc825d0", kill_on_drop: false }`
[INFO] [stdout] 8113a7946f4813d7427e7bb43137f0202088787ac78eaff85f9bbd2cabc825d0