[INFO] fetching crate dedup_signature 0.2.1...
[INFO] checking dedup_signature-0.2.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate dedup_signature 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dedup_signature 0.2.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dedup_signature 0.2.1
[INFO] finished tweaking crates.io crate dedup_signature 0.2.1
[INFO] tweaked toml for crates.io crate dedup_signature 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 642eca1180c146149b39c35c56ff30274bd4f97c1d165bdfcd46b4bcd9048122
[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" "642eca1180c146149b39c35c56ff30274bd4f97c1d165bdfcd46b4bcd9048122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642eca1180c146149b39c35c56ff30274bd4f97c1d165bdfcd46b4bcd9048122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642eca1180c146149b39c35c56ff30274bd4f97c1d165bdfcd46b4bcd9048122", kill_on_drop: false }`
[INFO] [stdout] 642eca1180c146149b39c35c56ff30274bd4f97c1d165bdfcd46b4bcd9048122
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438a59b7b3a5ce26b01bf3d086f1ac025f818ec15421a630043596283428beee
[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" "438a59b7b3a5ce26b01bf3d086f1ac025f818ec15421a630043596283428beee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking dedup_signature v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stdout]   --> src/hash.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stdout]   --> src/hash.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "438a59b7b3a5ce26b01bf3d086f1ac025f818ec15421a630043596283428beee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438a59b7b3a5ce26b01bf3d086f1ac025f818ec15421a630043596283428beee", kill_on_drop: false }`
[INFO] [stdout] 438a59b7b3a5ce26b01bf3d086f1ac025f818ec15421a630043596283428beee