[INFO] fetching crate hibitset 0.6.4...
[INFO] checking hibitset-0.6.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate hibitset 0.6.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate hibitset 0.6.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hibitset 0.6.4
[INFO] finished tweaking crates.io crate hibitset 0.6.4
[INFO] tweaked toml for crates.io crate hibitset 0.6.4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2044c9ce4fa2331b3bd2daf3f4ec32a379492b69863aa4dc27a57f7e2c8aa31e
[INFO] running `Command { std: "docker" "start" "-a" "2044c9ce4fa2331b3bd2daf3f4ec32a379492b69863aa4dc27a57f7e2c8aa31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2044c9ce4fa2331b3bd2daf3f4ec32a379492b69863aa4dc27a57f7e2c8aa31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2044c9ce4fa2331b3bd2daf3f4ec32a379492b69863aa4dc27a57f7e2c8aa31e", kill_on_drop: false }`
[INFO] [stdout] 2044c9ce4fa2331b3bd2daf3f4ec32a379492b69863aa4dc27a57f7e2c8aa31e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed019097d894ae6c5ad07b2a58d9e4424b85daa3ddab4505c3aa05e6b472ed9b
[INFO] running `Command { std: "docker" "start" "-a" "ed019097d894ae6c5ad07b2a58d9e4424b85daa3ddab4505c3aa05e6b472ed9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking hibitset v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/atomic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/ops.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]   |                               ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/atomic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/ops.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]   |                               ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `test` is imported redundantly
[INFO] [stdout]  --> benches/benches.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate test;
[INFO] [stdout]   | ------------------ the item `test` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 |     use test;
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `test` is imported redundantly
[INFO] [stdout]   --> benches/benches.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate test;
[INFO] [stdout]    | ------------------ the item `test` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     use test;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "ed019097d894ae6c5ad07b2a58d9e4424b85daa3ddab4505c3aa05e6b472ed9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed019097d894ae6c5ad07b2a58d9e4424b85daa3ddab4505c3aa05e6b472ed9b", kill_on_drop: false }`
[INFO] [stdout] ed019097d894ae6c5ad07b2a58d9e4424b85daa3ddab4505c3aa05e6b472ed9b