[INFO] cloning repository https://github.com/MoSooN1110/mosoon_cplibrary_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoSooN1110/mosoon_cplibrary_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoSooN1110%2Fmosoon_cplibrary_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoSooN1110%2Fmosoon_cplibrary_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ba3164be9203ff3ab90d26b7437505b2e972adc
[INFO] checking MoSooN1110/mosoon_cplibrary_rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoSooN1110%2Fmosoon_cplibrary_rs" "/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/MoSooN1110/mosoon_cplibrary_rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MoSooN1110/mosoon_cplibrary_rs
[INFO] finished tweaking git repo https://github.com/MoSooN1110/mosoon_cplibrary_rs
[INFO] tweaked toml for git repo https://github.com/MoSooN1110/mosoon_cplibrary_rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MoSooN1110/mosoon_cplibrary_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a793ec335c2a9c398529251ad2c3e0285f20beb6c0be01bced340ab0e44e49f
[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" "4a793ec335c2a9c398529251ad2c3e0285f20beb6c0be01bced340ab0e44e49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a793ec335c2a9c398529251ad2c3e0285f20beb6c0be01bced340ab0e44e49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a793ec335c2a9c398529251ad2c3e0285f20beb6c0be01bced340ab0e44e49f", kill_on_drop: false }`
[INFO] [stdout] 4a793ec335c2a9c398529251ad2c3e0285f20beb6c0be01bced340ab0e44e49f
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] e8fc2f1ae42b2d6d7ffafadadf7f3b63411952b45c3515bbdf36d0f4d392b07e
[INFO] running `Command { std: "docker" "start" "-a" "e8fc2f1ae42b2d6d7ffafadadf7f3b63411952b45c3515bbdf36d0f4d392b07e", kill_on_drop: false }`
[INFO] [stderr]     Checking lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/vector_lcm.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for j in 0..i.1 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/vector_lcm.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for j in 0..i.1 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/doubling.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut n = 16 as usize;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e8fc2f1ae42b2d6d7ffafadadf7f3b63411952b45c3515bbdf36d0f4d392b07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fc2f1ae42b2d6d7ffafadadf7f3b63411952b45c3515bbdf36d0f4d392b07e", kill_on_drop: false }`
[INFO] [stdout] e8fc2f1ae42b2d6d7ffafadadf7f3b63411952b45c3515bbdf36d0f4d392b07e