[INFO] crate sesstype 0.2.4 is already in cache
[INFO] checking sesstype-0.2.4 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate sesstype 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sesstype 0.2.4 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sesstype 0.2.4
[INFO] finished tweaking crates.io crate sesstype 0.2.4
[INFO] tweaked toml for crates.io crate sesstype 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cd54faa7edc81f7199a472856175790404067aac2309eefd32f283e3bb7c2d0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cd54faa7edc81f7199a472856175790404067aac2309eefd32f283e3bb7c2d0f"`
[INFO] [stderr]     Checking sesstype v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around `match` scrutinee expression
[INFO] [stderr]    --> src/parser.rs:280:22
[INFO] [stderr]     |
[INFO] [stderr] 280 |         e: expr_opt!({ if tv.is_valid(&s) { Some(global::Type::typevar(&s)) } else { None } }) >>
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `match` scrutinee expression
[INFO] [stderr]    --> src/parser.rs:401:22
[INFO] [stderr]     |
[INFO] [stderr] 401 |         e: expr_opt!({ if tv.is_valid(&s) { Some(local::Type::typevar(&s)) } else { None } }) >>
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `match` scrutinee expression
[INFO] [stderr]    --> src/parser.rs:280:22
[INFO] [stderr]     |
[INFO] [stderr] 280 |         e: expr_opt!({ if tv.is_valid(&s) { Some(global::Type::typevar(&s)) } else { None } }) >>
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `match` scrutinee expression
[INFO] [stderr]    --> src/parser.rs:401:22
[INFO] [stderr]     |
[INFO] [stderr] 401 |         e: expr_opt!({ if tv.is_valid(&s) { Some(local::Type::typevar(&s)) } else { None } }) >>
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `"docker" "inspect" "cd54faa7edc81f7199a472856175790404067aac2309eefd32f283e3bb7c2d0f"`
[INFO] running `"docker" "rm" "-f" "cd54faa7edc81f7199a472856175790404067aac2309eefd32f283e3bb7c2d0f"`
[INFO] [stdout] cd54faa7edc81f7199a472856175790404067aac2309eefd32f283e3bb7c2d0f