[INFO] fetching crate xorfilter-rs 0.5.1...
[INFO] checking xorfilter-rs-0.5.1 against master#518b428304e0008859cb1fd81d1ac20efb2a064a for pr-138961-1
[INFO] extracting crate xorfilter-rs 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xorfilter-rs 0.5.1
[INFO] finished tweaking crates.io crate xorfilter-rs 0.5.1
[INFO] tweaked toml for crates.io crate xorfilter-rs 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xorfilter-rs 0.5.1 on toolchain 518b428304e0008859cb1fd81d1ac20efb2a064a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e2749b614a9281af11c0342886b08afa790d2d6154e06559da622856e0e39c
[INFO] running `Command { std: "docker" "start" "-a" "29e2749b614a9281af11c0342886b08afa790d2d6154e06559da622856e0e39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e2749b614a9281af11c0342886b08afa790d2d6154e06559da622856e0e39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e2749b614a9281af11c0342886b08afa790d2d6154e06559da622856e0e39c", kill_on_drop: false }`
[INFO] [stdout] 29e2749b614a9281af11c0342886b08afa790d2d6154e06559da622856e0e39c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2953af8bb21b0d775aae1b636b3be37cf0bc5e5ca27803a8e54c93d6e915576
[INFO] running `Command { std: "docker" "start" "-a" "b2953af8bb21b0d775aae1b636b3be37cf0bc5e5ca27803a8e54c93d6e915576", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking xorfilter-rs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     let mut s = unsafe { sets1.get_unchecked_mut(h1 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:287:25
[INFO] [stdout]     |
[INFO] [stdout] 287 |                     let mut s = unsafe { sets2.get_unchecked_mut(h2 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     let mut s = unsafe { sets0.get_unchecked_mut(h0 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:317:25
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     let mut s = unsafe { sets2.get_unchecked_mut(h2 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     let mut s = unsafe { sets0.get_unchecked_mut(h0 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     let mut s = unsafe { sets1.get_unchecked_mut(h1 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> tests/xorfilter.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let missing: Vec<u32> = (1..20).map(|i| (i * 2)).collect();
[INFO] [stdout]    |                                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -     let missing: Vec<u32> = (1..20).map(|i| (i * 2)).collect();
[INFO] [stdout] 38 +     let missing: Vec<u32> = (1..20).map(|i| i * 2 ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fuse8_test.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut seed: u128 = [
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]    --> src/fuse8_test.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut seed: u128 = [
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     let mut s = unsafe { sets1.get_unchecked_mut(h1 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:287:25
[INFO] [stdout]     |
[INFO] [stdout] 287 |                     let mut s = unsafe { sets2.get_unchecked_mut(h2 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     let mut s = unsafe { sets0.get_unchecked_mut(h0 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:317:25
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     let mut s = unsafe { sets2.get_unchecked_mut(h2 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     let mut s = unsafe { sets0.get_unchecked_mut(h0 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xor8.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     let mut s = unsafe { sets1.get_unchecked_mut(h1 as usize) };
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "b2953af8bb21b0d775aae1b636b3be37cf0bc5e5ca27803a8e54c93d6e915576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2953af8bb21b0d775aae1b636b3be37cf0bc5e5ca27803a8e54c93d6e915576", kill_on_drop: false }`
[INFO] [stdout] b2953af8bb21b0d775aae1b636b3be37cf0bc5e5ca27803a8e54c93d6e915576
