[INFO] fetching crate pi_wrr 0.1.0...
[INFO] checking pi_wrr-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate pi_wrr 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pi_wrr 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_wrr 0.1.0
[INFO] finished tweaking crates.io crate pi_wrr 0.1.0
[INFO] tweaked toml for crates.io crate pi_wrr 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.2.0)
[INFO] [stderr]       Adding quanta v0.10.1 (available: v0.12.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c445d051e547bac4808d133d053d638a9a78423be9830116fe400f84b0ed5511
[INFO] running `Command { std: "docker" "start" "-a" "c445d051e547bac4808d133d053d638a9a78423be9830116fe400f84b0ed5511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c445d051e547bac4808d133d053d638a9a78423be9830116fe400f84b0ed5511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c445d051e547bac4808d133d053d638a9a78423be9830116fe400f84b0ed5511", kill_on_drop: false }`
[INFO] [stdout] c445d051e547bac4808d133d053d638a9a78423be9830116fe400f84b0ed5511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 697e6da5ea6f79b4dd4e575067e0dff5d46c0cd624a7072ad32bbdb88e06aa51
[INFO] running `Command { std: "docker" "start" "-a" "697e6da5ea6f79b4dd4e575067e0dff5d46c0cd624a7072ad32bbdb88e06aa51", kill_on_drop: false }`
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking pi_wrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking st3 v0.4.1
[INFO] [stderr]     Checking quanta v0.10.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0432]: unresolved import `wrr`
[INFO] [stdout]  --> tests/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wrr::IWRRSelector;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `wrr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wrr`
[INFO] [stdout]   --> benches/bench.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use wrr::IWRRSelector;
[INFO] [stdout]    |     ^^^ use of undeclared crate or module `wrr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `UnsafeCell`
[INFO] [stdout]  --> tests/test.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{RefCell, UnsafeCell};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> tests/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lifo`
[INFO] [stdout]   --> benches/bench.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use st3::{fifo, lifo};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bounded` and `unbounded`
[INFO] [stdout]   --> benches/bench.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crossbeam_channel::{bounded, unbounded};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_wrr` (test "test") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]   --> benches/bench.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut x = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_x` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `y` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut y = 0;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_y` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut x = 0;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `y` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut y = 0;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_y` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:256:21
[INFO] [stdout]     |
[INFO] [stdout] 256 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `time` is assigned to, but never used
[INFO] [stdout]    --> benches/bench.rs:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let mut time = clock_copy.recent().duration_since(now);
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_time` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> benches/bench.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 time = clock_copy
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/bench.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let mut worker = UnsafeCell::new(VecDeque::new());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/bench.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |     let mut worker = UnsafeCell::new(VecDeque::new());
[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]    --> benches/bench.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |     let mut worker = UnsafeCell::new(Vec::new());
[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]    --> benches/bench.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |     let mut worker = UnsafeCell::new(Vec::new());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> benches/bench.rs:448:21
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     r = n;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> benches/bench.rs:448:21
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     r = n;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/bench.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut worker = Arc::new(ArrayQueue::new(10000000));
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> benches/bench.rs:510:21
[INFO] [stdout]     |
[INFO] [stdout] 510 |                     r = n;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> benches/bench.rs:510:21
[INFO] [stdout]     |
[INFO] [stdout] 510 |                     r = n;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/bench.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |     let mut worker = Arc::new(SegQueue::new());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_wrr` (bench "bench") due to 1 previous error; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "697e6da5ea6f79b4dd4e575067e0dff5d46c0cd624a7072ad32bbdb88e06aa51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697e6da5ea6f79b4dd4e575067e0dff5d46c0cd624a7072ad32bbdb88e06aa51", kill_on_drop: false }`
[INFO] [stdout] 697e6da5ea6f79b4dd4e575067e0dff5d46c0cd624a7072ad32bbdb88e06aa51
