[INFO] fetching crate bitvec-rs 0.2.0...
[INFO] testing bitvec-rs-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate bitvec-rs 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bitvec-rs 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitvec-rs 0.2.0
[INFO] finished tweaking crates.io crate bitvec-rs 0.2.0
[INFO] tweaked toml for crates.io crate bitvec-rs 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c75aab7c3ec98ab5cf6f11ea84dfb2a9ba0f0a70f74ebab09446c56c6c7e13f
[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" "1c75aab7c3ec98ab5cf6f11ea84dfb2a9ba0f0a70f74ebab09446c56c6c7e13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c75aab7c3ec98ab5cf6f11ea84dfb2a9ba0f0a70f74ebab09446c56c6c7e13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c75aab7c3ec98ab5cf6f11ea84dfb2a9ba0f0a70f74ebab09446c56c6c7e13f", kill_on_drop: false }`
[INFO] [stdout] 1c75aab7c3ec98ab5cf6f11ea84dfb2a9ba0f0a70f74ebab09446c56c6c7e13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87d7813b6808078d9a7009c978c01ed8b34afc9d19b6e4bac67bd9e95ae2f523
[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" "87d7813b6808078d9a7009c978c01ed8b34afc9d19b6e4bac67bd9e95ae2f523", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "87d7813b6808078d9a7009c978c01ed8b34afc9d19b6e4bac67bd9e95ae2f523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d7813b6808078d9a7009c978c01ed8b34afc9d19b6e4bac67bd9e95ae2f523", kill_on_drop: false }`
[INFO] [stdout] 87d7813b6808078d9a7009c978c01ed8b34afc9d19b6e4bac67bd9e95ae2f523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027a66d8a0d27c6f65f348c6d96cea7e8a6fba68d27a9ceaeb80966c71591505
[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" "027a66d8a0d27c6f65f348c6d96cea7e8a6fba68d27a9ceaeb80966c71591505", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:688:9
[INFO] [stdout]     |
[INFO] [stdout] 688 |         &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 688 |         let _ = &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "027a66d8a0d27c6f65f348c6d96cea7e8a6fba68d27a9ceaeb80966c71591505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027a66d8a0d27c6f65f348c6d96cea7e8a6fba68d27a9ceaeb80966c71591505", kill_on_drop: false }`
[INFO] [stdout] 027a66d8a0d27c6f65f348c6d96cea7e8a6fba68d27a9ceaeb80966c71591505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 936a60df76c90b85d36b39ba91aee18e33f9db5ed168194e1e0c8ad11ffbb9e2
[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" "936a60df76c90b85d36b39ba91aee18e33f9db5ed168194e1e0c8ad11ffbb9e2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] running 22 tests
[INFO] [stderr]    --> src/lib.rs:688:9
[INFO] [stdout] test test::test_clear ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::test_capacity_reserve ... ok
[INFO] [stderr] 688 |         &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout] test test::test_convert_from_bools ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::test_convert_to_bools ... ok
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] test test::test_constructors_from_bytes ... ok
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] test test::test_constructors_for_empty ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stderr] 688 |         let _ = &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stderr]     |         +++++++
[INFO] [stdout] test test::test_get_set_index ... ok
[INFO] [stderr] 
[INFO] [stdout] test test::test_index ... ok
[INFO] [stderr] warning: `bitvec-rs` (lib test) generated 1 warning
[INFO] [stdout] test test::test_into_bytes ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] test test::test_pop_to_empty ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitvec_rs-19facb806b99d819)
[INFO] [stdout] test test::test_resize ... ok
[INFO] [stdout] test test::test_into_iter ... ok
[INFO] [stdout] test test::test_truncate_extend ... ok
[INFO] [stdout] test test::test_iter ... ok
[INFO] [stdout] test test::test_with_bytes_mut ... ok
[INFO] [stdout] test test::test_pop_push ... ok
[INFO] [stdout] test test::test_iter_overrides ... ok
[INFO] [stdout] test test::test_swap ... ok
[INFO] [stderr]    Doc-tests bitvec-rs
[INFO] [stdout] test test::test_set_validation - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "936a60df76c90b85d36b39ba91aee18e33f9db5ed168194e1e0c8ad11ffbb9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936a60df76c90b85d36b39ba91aee18e33f9db5ed168194e1e0c8ad11ffbb9e2", kill_on_drop: false }`
[INFO] [stdout] 936a60df76c90b85d36b39ba91aee18e33f9db5ed168194e1e0c8ad11ffbb9e2