[INFO] fetching crate bit-set 0.8.0...
[INFO] testing bit-set-0.8.0 against master#a1531335fe2807715fff569904d99602022643a7 for pr-145277
[INFO] extracting crate bit-set 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate bit-set 0.8.0
[INFO] finished tweaking crates.io crate bit-set 0.8.0
[INFO] tweaked toml for crates.io crate bit-set 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bit-set 0.8.0 on toolchain a1531335fe2807715fff569904d99602022643a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "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" "+a1531335fe2807715fff569904d99602022643a7" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d33e8ee4a4b9e654daa8474688956ed1143fd65333ebc45d6edcea0678e5cd
[INFO] running `Command { std: "docker" "start" "-a" "29d33e8ee4a4b9e654daa8474688956ed1143fd65333ebc45d6edcea0678e5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d33e8ee4a4b9e654daa8474688956ed1143fd65333ebc45d6edcea0678e5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d33e8ee4a4b9e654daa8474688956ed1143fd65333ebc45d6edcea0678e5cd", kill_on_drop: false }`
[INFO] [stdout] 29d33e8ee4a4b9e654daa8474688956ed1143fd65333ebc45d6edcea0678e5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2120878dc29ba65414a23fd27fc48c67b93827f91b63c24177d12f53433e1d3f
[INFO] running `Command { std: "docker" "start" "-a" "2120878dc29ba65414a23fd27fc48c67b93827f91b63c24177d12f53433e1d3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling bit-set v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<B> {
[INFO] [stdout]     |                 ^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<'_, B> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2120878dc29ba65414a23fd27fc48c67b93827f91b63c24177d12f53433e1d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2120878dc29ba65414a23fd27fc48c67b93827f91b63c24177d12f53433e1d3f", kill_on_drop: false }`
[INFO] [stdout] 2120878dc29ba65414a23fd27fc48c67b93827f91b63c24177d12f53433e1d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 268b1f14b30f74b0b406f35da71dff07375eb2179b3e780430be73a4a5905566
[INFO] running `Command { std: "docker" "start" "-a" "268b1f14b30f74b0b406f35da71dff07375eb2179b3e780430be73a4a5905566", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<B> {
[INFO] [stdout]     |                 ^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<'_, B> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bit-set v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<B> {
[INFO] [stdout]     |                 ^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn iter(&self) -> Iter<'_, B> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.82s
[INFO] running `Command { std: "docker" "inspect" "268b1f14b30f74b0b406f35da71dff07375eb2179b3e780430be73a4a5905566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268b1f14b30f74b0b406f35da71dff07375eb2179b3e780430be73a4a5905566", kill_on_drop: false }`
[INFO] [stdout] 268b1f14b30f74b0b406f35da71dff07375eb2179b3e780430be73a4a5905566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 016b72035296dbaec610e37c581bd5893102ee330611887691ae3ad5142803d3
[INFO] running `Command { std: "docker" "start" "-a" "016b72035296dbaec610e37c581bd5893102ee330611887691ae3ad5142803d3", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:467:17
[INFO] [stderr]     |
[INFO] [stderr] 467 |     pub fn iter(&self) -> Iter<B> {
[INFO] [stderr]     |                 ^^^^^     ------- the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 467 |     pub fn iter(&self) -> Iter<'_, B> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `bit-set` (lib) generated 1 warning (run `cargo fix --lib -p bit-set` to apply 1 suggestion)
[INFO] [stderr] warning: `bit-set` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bit_set-ea4bc07dc48b3595)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::test_bit_set_basic ... ok
[INFO] [stdout] test tests::test_bit_set_cmp ... ok
[INFO] [stdout] test tests::test_bit_set_difference ... ok
[INFO] [stdout] test tests::test_bit_set_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_eq ... ok
[INFO] [stdout] test tests::test_bit_set_from_usizes ... ok
[INFO] [stdout] test tests::test_bit_set_frombit_vec_init ... ok
[INFO] [stdout] test tests::test_bit_set_intersection ... ok
[INFO] [stdout] test tests::test_bit_set_is_disjoint ... ok
[INFO] [stdout] test tests::test_bit_set_intersect_with ... ok
[INFO] [stdout] test tests::test_bit_set_show ... ok
[INFO] [stdout] test tests::test_bit_set_shrink_to_fit ... ok
[INFO] [stdout] test tests::test_bit_set_shrink_to_fit_new ... ok
[INFO] [stdout] test tests::test_bit_set_subset ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_union ... ok
[INFO] [stdout] test tests::test_bit_vec_remove ... ok
[INFO] [stdout] test tests::test_truncate ... ok
[INFO] [stdout] test tests::test_bit_set_iterator ... ok
[INFO] [stdout] test tests::test_bit_set_union_with ... ok
[INFO] [stdout] test tests::test_bit_vec_clone ... ok
[INFO] [stdout] test tests::test_bit_vec_masking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_set
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - BitSet<B>::get_ref (line 340) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::get_mut (line 358) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::intersect_with (line 633) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::capacity (line 257) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::intersection (line 507) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::difference (line 542) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::difference_with (line 657) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::reserve_len (line 277) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::into_bit_vec (line 320) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::iter (line 456) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::reserve_len_exact (line 302) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::symmetric_difference (line 580) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::shrink_to_fit (line 416) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::union (line 476) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::symmetric_difference_with (line 689) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::new (line 191) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::with_capacity (line 206) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::from_bit_vec (line 222) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::union_with (line 610) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "016b72035296dbaec610e37c581bd5893102ee330611887691ae3ad5142803d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016b72035296dbaec610e37c581bd5893102ee330611887691ae3ad5142803d3", kill_on_drop: false }`
[INFO] [stdout] 016b72035296dbaec610e37c581bd5893102ee330611887691ae3ad5142803d3