[INFO] fetching crate bitsets 0.1.1...
[INFO] checking bitsets-0.1.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate bitsets 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitsets 0.1.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitsets 0.1.1
[INFO] finished tweaking crates.io crate bitsets 0.1.1
[INFO] tweaked toml for crates.io crate bitsets 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52c462bf85f46354e112d87a4c34cc847a7184a4efe0a6c45116ca230472bc03
[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" "52c462bf85f46354e112d87a4c34cc847a7184a4efe0a6c45116ca230472bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c462bf85f46354e112d87a4c34cc847a7184a4efe0a6c45116ca230472bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c462bf85f46354e112d87a4c34cc847a7184a4efe0a6c45116ca230472bc03", kill_on_drop: false }`
[INFO] [stdout] 52c462bf85f46354e112d87a4c34cc847a7184a4efe0a6c45116ca230472bc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8838b18b9c5ab18007c02cf309741947f4346ebec29a55cc483a4a05c94d7c3a
[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" "8838b18b9c5ab18007c02cf309741947f4346ebec29a55cc483a4a05c94d7c3a", kill_on_drop: false }`
[INFO] [stderr]     Checking bitsets v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:362:13
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let A = DenseBitSet::from_bits(0b111000111);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let B = DenseBitSet::from_bits(0b111000111);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:364:13
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let C = DenseBitSet::from_bits(0b110111111);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let A = DenseBitSet::from_bits(0b1000110001);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let B = DenseBitSet::from_bits(0b0010000100);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let C = A.or(&B);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let A = DenseBitSet::from_bits(0b1000110001);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let B = DenseBitSet::from_bits(0b1010100100);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let C = A.and(&B);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:400:13
[INFO] [stdout]     |
[INFO] [stdout] 400 |         let A = DenseBitSet::from_bits(0b11100010101);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         let B = DenseBitSet::from_bits(0b11110100100);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let C = A.xor(&B);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "8838b18b9c5ab18007c02cf309741947f4346ebec29a55cc483a4a05c94d7c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8838b18b9c5ab18007c02cf309741947f4346ebec29a55cc483a4a05c94d7c3a", kill_on_drop: false }`
[INFO] [stdout] 8838b18b9c5ab18007c02cf309741947f4346ebec29a55cc483a4a05c94d7c3a