[INFO] fetching crate ccache_stats_reader 0.1.2...
[INFO] checking ccache_stats_reader-0.1.2 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate ccache_stats_reader 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ccache_stats_reader 0.1.2 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] finished tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] tweaked toml for crates.io crate ccache_stats_reader 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", 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] bdba2b52ea9efc8a1ccd6ce993d2195d767c97cc72be72f87f3c21c947b3d642
[INFO] running `Command { std: "docker" "start" "-a" "bdba2b52ea9efc8a1ccd6ce993d2195d767c97cc72be72f87f3c21c947b3d642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdba2b52ea9efc8a1ccd6ce993d2195d767c97cc72be72f87f3c21c947b3d642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdba2b52ea9efc8a1ccd6ce993d2195d767c97cc72be72f87f3c21c947b3d642", kill_on_drop: false }`
[INFO] [stdout] bdba2b52ea9efc8a1ccd6ce993d2195d767c97cc72be72f87f3c21c947b3d642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699b029e1e94a776125097379b5b5793849de9a8245a47ab90782758652fb303
[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" "699b029e1e94a776125097379b5b5793849de9a8245a47ab90782758652fb303", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ccache_stats_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cache_field.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cache_field.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "699b029e1e94a776125097379b5b5793849de9a8245a47ab90782758652fb303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699b029e1e94a776125097379b5b5793849de9a8245a47ab90782758652fb303", kill_on_drop: false }`
[INFO] [stdout] 699b029e1e94a776125097379b5b5793849de9a8245a47ab90782758652fb303