[INFO] fetching crate bitrush-index 0.1.1...
[INFO] checking bitrush-index-0.1.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate bitrush-index 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bitrush-index 0.1.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitrush-index 0.1.1
[INFO] finished tweaking crates.io crate bitrush-index 0.1.1
[INFO] tweaked toml for crates.io crate bitrush-index 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate bitrush-index 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2f6283c20e8d766bb03c2f31c1f23999d794b058aa5a72e47096a146d58bf25
[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" "b2f6283c20e8d766bb03c2f31c1f23999d794b058aa5a72e47096a146d58bf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f6283c20e8d766bb03c2f31c1f23999d794b058aa5a72e47096a146d58bf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f6283c20e8d766bb03c2f31c1f23999d794b058aa5a72e47096a146d58bf25", kill_on_drop: false }`
[INFO] [stdout] b2f6283c20e8d766bb03c2f31c1f23999d794b058aa5a72e47096a146d58bf25
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0dddab2acd6250aac9a7209376127e5e842a6535df1d6c0e1a335d215f62d53a
[INFO] running `Command { std: "docker" "start" "-a" "0dddab2acd6250aac9a7209376127e5e842a6535df1d6c0e1a335d215f62d53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking bitrush-index v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ozbcbitmap/mod.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | const OZBC_MAX_128_BYTES_ZERO: u16 = ((1 << 15) - 1);
[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 assigned value
[INFO] [stdout]   --> src/ozbcbitmap/mod.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 | const OZBC_MAX_BYTES_ZERO: u32 = ((OZBC_MAX_128_BYTES_ZERO as u32) << 7);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ozbcbitmap/mod.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | const OZBC_MAX_128_BYTES_ZERO: u16 = ((1 << 15) - 1);
[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 assigned value
[INFO] [stdout]   --> src/ozbcbitmap/mod.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 | const OZBC_MAX_BYTES_ZERO: u32 = ((OZBC_MAX_128_BYTES_ZERO as u32) << 7);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "0dddab2acd6250aac9a7209376127e5e842a6535df1d6c0e1a335d215f62d53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dddab2acd6250aac9a7209376127e5e842a6535df1d6c0e1a335d215f62d53a", kill_on_drop: false }`
[INFO] [stdout] 0dddab2acd6250aac9a7209376127e5e842a6535df1d6c0e1a335d215f62d53a