[INFO] crate mileage 0.1.0 is already in cache
[INFO] checking mileage-0.1.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate mileage 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mileage 0.1.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mileage 0.1.0
[INFO] finished tweaking crates.io crate mileage 0.1.0
[INFO] tweaked toml for crates.io crate mileage 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9e314e986c7003f3a0ff1dbb428af68917af40a54ee918b1e0b07aafd050b0a4
[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" "9e314e986c7003f3a0ff1dbb428af68917af40a54ee918b1e0b07aafd050b0a4"`
[INFO] [stderr]     Checking mileage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/range/iter.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         ((if self.low <= BEFORE_SURROGATE && self.high >= AFTER_SURROGATE {
[INFO] [stderr] 119 | |             len - (AFTER_SURROGATE as u32 - (BEFORE_SURROGATE as u32 + 1))
[INFO] [stderr] 120 | |         } else {
[INFO] [stderr] 121 | |             len
[INFO] [stderr] 122 | |         }) as usize)
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 118 |         (if self.low <= BEFORE_SURROGATE && self.high >= AFTER_SURROGATE {
[INFO] [stderr] 119 |             len - (AFTER_SURROGATE as u32 - (BEFORE_SURROGATE as u32 + 1))
[INFO] [stderr] 120 |         } else {
[INFO] [stderr] 121 |             len
[INFO] [stderr] 122 |         }) as usize
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/range/iter.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         ((if self.low <= BEFORE_SURROGATE && self.high >= AFTER_SURROGATE {
[INFO] [stderr] 119 | |             len - (AFTER_SURROGATE as u32 - (BEFORE_SURROGATE as u32 + 1))
[INFO] [stderr] 120 | |         } else {
[INFO] [stderr] 121 | |             len
[INFO] [stderr] 122 | |         }) as usize)
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 118 |         (if self.low <= BEFORE_SURROGATE && self.high >= AFTER_SURROGATE {
[INFO] [stderr] 119 |             len - (AFTER_SURROGATE as u32 - (BEFORE_SURROGATE as u32 + 1))
[INFO] [stderr] 120 |         } else {
[INFO] [stderr] 121 |             len
[INFO] [stderr] 122 |         }) as usize
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "9e314e986c7003f3a0ff1dbb428af68917af40a54ee918b1e0b07aafd050b0a4"`
[INFO] running `"docker" "rm" "-f" "9e314e986c7003f3a0ff1dbb428af68917af40a54ee918b1e0b07aafd050b0a4"`
[INFO] [stdout] 9e314e986c7003f3a0ff1dbb428af68917af40a54ee918b1e0b07aafd050b0a4