[INFO] crate durduff 0.1.0-alpha.1 is already in cache
[INFO] checking durduff-0.1.0-alpha.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate durduff 0.1.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate durduff 0.1.0-alpha.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate durduff 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate durduff 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate durduff 0.1.0-alpha.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a561f9eef0db02612b767587f1567a9011ca5837f2dbe1a73ed139f65b38be
[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" "28a561f9eef0db02612b767587f1567a9011ca5837f2dbe1a73ed139f65b38be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a561f9eef0db02612b767587f1567a9011ca5837f2dbe1a73ed139f65b38be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a561f9eef0db02612b767587f1567a9011ca5837f2dbe1a73ed139f65b38be", kill_on_drop: false }`
[INFO] [stdout] 28a561f9eef0db02612b767587f1567a9011ca5837f2dbe1a73ed139f65b38be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 948a33b3b0d594ce4396b9abcda2fc197049f574edf35280ad86b179d4d8d9c2
[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" "948a33b3b0d594ce4396b9abcda2fc197049f574edf35280ad86b179d4d8d9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking durduff v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/io/read_int_mitigator.rs:75:42
[INFO] [stdout]    |
[INFO] [stdout] 75 |     const CONTENT: std::ops::Range<u8> = (0..128);
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "948a33b3b0d594ce4396b9abcda2fc197049f574edf35280ad86b179d4d8d9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948a33b3b0d594ce4396b9abcda2fc197049f574edf35280ad86b179d4d8d9c2", kill_on_drop: false }`
[INFO] [stdout] 948a33b3b0d594ce4396b9abcda2fc197049f574edf35280ad86b179d4d8d9c2