[INFO] fetching crate bit_field 0.10.1...
[INFO] building bit_field-0.10.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate bit_field 0.10.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bit_field 0.10.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_field 0.10.1
[INFO] finished tweaking crates.io crate bit_field 0.10.1
[INFO] tweaked toml for crates.io crate bit_field 0.10.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3ed9470b9556ae5325f012f7ff7ada584796b10b714555d821361a4c4f9565
[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" "bd3ed9470b9556ae5325f012f7ff7ada584796b10b714555d821361a4c4f9565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3ed9470b9556ae5325f012f7ff7ada584796b10b714555d821361a4c4f9565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3ed9470b9556ae5325f012f7ff7ada584796b10b714555d821361a4c4f9565", kill_on_drop: false }`
[INFO] [stdout] bd3ed9470b9556ae5325f012f7ff7ada584796b10b714555d821361a4c4f9565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6152fc58545b416a356c9d3ca60eda334421b59663167fb5d9e6d7c2608d368a
[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" "6152fc58545b416a356c9d3ca60eda334421b59663167fb5d9e6d7c2608d368a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6152fc58545b416a356c9d3ca60eda334421b59663167fb5d9e6d7c2608d368a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6152fc58545b416a356c9d3ca60eda334421b59663167fb5d9e6d7c2608d368a", kill_on_drop: false }`
[INFO] [stdout] 6152fc58545b416a356c9d3ca60eda334421b59663167fb5d9e6d7c2608d368a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b640c339036bd4114ece754184dd7f208f9d596cddb504aa51f61b7c70dbe81e
[INFO] running `Command { std: "docker" "start" "-a" "b640c339036bd4114ece754184dd7f208f9d596cddb504aa51f61b7c70dbe81e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (a053ae2aa1b7b935, 843b47e4d0dc3ff2), 0, 0
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     &test_val.set_bit(0, false);
[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] 360 |     let _ = &test_val.set_bit(0, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |     &test_val.set_bit(4, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let _ = &test_val.set_bit(4, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:366:5
[INFO] [stdout]     |
[INFO] [stdout] 366 |     &test_array.set_bit(7, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 366 |     let _ = &test_array.set_bit(7, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:367:5
[INFO] [stdout]     |
[INFO] [stdout] 367 |     &test_array.set_bit(8, true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let _ = &test_array.set_bit(8, true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:368:5
[INFO] [stdout]     |
[INFO] [stdout] 368 |     &test_array.set_bit(16, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 368 |     let _ = &test_array.set_bit(16, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (23efd2a9a5ef6747, 6b9ddaba83c7d438), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (ef69716b09a64439, 46c760dad8e2dbb4), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (6873dde3cb888dd5, f8964b4c0a9c087e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (6ae12b03616fad3a, c59b16ed4dbb8f36), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (74442623bc1fda27, 855ff528c5738654), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (bf5ef431846efe00, 44d8d2977f4ef683), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (69e6a1ec1790af83, 3545923c78982dd7), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (877b289ef4a9678, 78129b5231bbd520), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (b4a845274a7fe5b, 36ed412cddc9cde4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (5599ca259931f8d4, 7da39a7be9952d96), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (7d7693658bd53807, 794cbc2842773e37), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (39252337cde86a6, 98fe7339dedd96eb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (76376fd66bee0ff6, 8469de0606fbb080), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (a88e5e0050cff157, 64143c94c1a13bb4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (15c00f3acfdd4032, c621d3db2820081a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (3bd75e6cd3eabdbe, cbfe2294b76c8fda), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (6217726717f46c9c, c72f775af118dcdc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (2b75b53a79c55823, a53fafbf6d4b9e2c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (e187ab6814c8f9d5, 5fa443d11844996d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (a2533a45b11b2473, abc68efe1c0aa944), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bit_field, (4a614c9cd16c01a3, 729b624c8e4a2e07), 0, 0
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "b640c339036bd4114ece754184dd7f208f9d596cddb504aa51f61b7c70dbe81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b640c339036bd4114ece754184dd7f208f9d596cddb504aa51f61b7c70dbe81e", kill_on_drop: false }`
[INFO] [stdout] b640c339036bd4114ece754184dd7f208f9d596cddb504aa51f61b7c70dbe81e