[INFO] updating cached repository https://github.com/akirasosa/rust-practice
[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] [stderr] From https://github.com/akirasosa/rust-practice
[INFO] [stderr]    642afa4..9541ebc  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9541ebc81840dfa1b7daca235fe638d6a2218f8b
[INFO] checking akirasosa/rust-practice against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakirasosa%2Frust-practice" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akirasosa/rust-practice on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akirasosa/rust-practice
[INFO] finished tweaking git repo https://github.com/akirasosa/rust-practice
[INFO] tweaked toml for git repo https://github.com/akirasosa/rust-practice written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/akirasosa/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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] 60e4343a922a18e7be2fe87e05ce5e8821c41ff4d5610c2cf47dac14e4b42de4
[INFO] running `"docker" "start" "-a" "60e4343a922a18e7be2fe87e05ce5e8821c41ff4d5610c2cf47dac14e4b42de4"`
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/bin/abc017_4.rs:362:9
[INFO] [stderr]     |
[INFO] [stderr] 362 |     let m: usize = m;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/bin/abc017_4.rs:362:9
[INFO] [stderr]     |
[INFO] [stderr] 362 |     let m: usize = m;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for type `assert_cli::OutputAssertionBuilder` in the current scope
[INFO] [stderr]   --> tests/template.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |         .unwrap();
[INFO] [stderr]    |          ^^^^^^ method not found in `assert_cli::OutputAssertionBuilder`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rust-practice`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "60e4343a922a18e7be2fe87e05ce5e8821c41ff4d5610c2cf47dac14e4b42de4"`
[INFO] running `"docker" "rm" "-f" "60e4343a922a18e7be2fe87e05ce5e8821c41ff4d5610c2cf47dac14e4b42de4"`
[INFO] [stdout] 60e4343a922a18e7be2fe87e05ce5e8821c41ff4d5610c2cf47dac14e4b42de4