[INFO] updating cached repository https://github.com/Phyllostachys/rime
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e18f58209eb32648087dd1b4ecd1f26f8ead08d
[INFO] checking Phyllostachys/rime against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhyllostachys%2Frime" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phyllostachys/rime on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Phyllostachys/rime
[INFO] finished tweaking git repo https://github.com/Phyllostachys/rime
[INFO] tweaked toml for git repo https://github.com/Phyllostachys/rime written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Phyllostachys/rime already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64ff68f5f0c55aa463b5096ef669d8abc953fd756c8ccfe59975d921f38fd317
[INFO] running `"docker" "start" "-a" "64ff68f5f0c55aa463b5096ef669d8abc953fd756c8ccfe59975d921f38fd317"`
[INFO] [stderr]     Checking rime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `my_name`
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let my_name = arg_list.next().unwrap_or("time".to_string());
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_my_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(o) => {
[INFO] [stderr]    |            ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_name`
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let my_name = arg_list.next().unwrap_or("time".to_string());
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_my_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(o) => {
[INFO] [stderr]    |            ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "64ff68f5f0c55aa463b5096ef669d8abc953fd756c8ccfe59975d921f38fd317"`
[INFO] running `"docker" "rm" "-f" "64ff68f5f0c55aa463b5096ef669d8abc953fd756c8ccfe59975d921f38fd317"`
[INFO] [stdout] 64ff68f5f0c55aa463b5096ef669d8abc953fd756c8ccfe59975d921f38fd317