[INFO] fetching crate roaring 0.8.1...
[INFO] testing roaring-0.8.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate roaring 0.8.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate roaring 0.8.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roaring 0.8.1
[INFO] finished tweaking crates.io crate roaring 0.8.1
[INFO] tweaked toml for crates.io crate roaring 0.8.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5904144aeae7b160774bc19306103345542415e96348e392bc4ad14c116b02a0
[INFO] running `Command { std: "docker" "start" "-a" "5904144aeae7b160774bc19306103345542415e96348e392bc4ad14c116b02a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5904144aeae7b160774bc19306103345542415e96348e392bc4ad14c116b02a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5904144aeae7b160774bc19306103345542415e96348e392bc4ad14c116b02a0", kill_on_drop: false }`
[INFO] [stdout] 5904144aeae7b160774bc19306103345542415e96348e392bc4ad14c116b02a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283c2ab7f6480baf9f9800982c09ba6af1c7c260d6a44970997591c2dc68a634
[INFO] running `Command { std: "docker" "start" "-a" "283c2ab7f6480baf9f9800982c09ba6af1c7c260d6a44970997591c2dc68a634", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling retain_mut v0.1.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling roaring v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:392:25
[INFO] [stdout]     |
[INFO] [stdout] 392 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "283c2ab7f6480baf9f9800982c09ba6af1c7c260d6a44970997591c2dc68a634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283c2ab7f6480baf9f9800982c09ba6af1c7c260d6a44970997591c2dc68a634", kill_on_drop: false }`
[INFO] [stdout] 283c2ab7f6480baf9f9800982c09ba6af1c7c260d6a44970997591c2dc68a634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d542de052e5efe52e52912e95620d7f580c91bb9bfca6d31d8c8b5da18a406f
[INFO] running `Command { std: "docker" "start" "-a" "9d542de052e5efe52e52912e95620d7f580c91bb9bfca6d31d8c8b5da18a406f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/bitmap/ops.rs:392:25
[INFO] [stdout]     |
[INFO] [stdout] 392 |         self.containers.retain_mut(|cont| {
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling roaring v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `roaring`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name roaring --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=9755b3f0d83351b5 -C extra-filename=-9755b3f0d83351b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-4bd9cf965da5191a.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-56460b1d02bae5d5.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-7252ab1fb12e3eed.rlib --extern quickcheck_macros=/opt/rustwide/target/debug/deps/libquickcheck_macros-869ddabeb0f710e7.so --extern retain_mut=/opt/rustwide/target/debug/deps/libretain_mut-0a96b85b65be7a7d.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9d542de052e5efe52e52912e95620d7f580c91bb9bfca6d31d8c8b5da18a406f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d542de052e5efe52e52912e95620d7f580c91bb9bfca6d31d8c8b5da18a406f", kill_on_drop: false }`
[INFO] [stdout] 9d542de052e5efe52e52912e95620d7f580c91bb9bfca6d31d8c8b5da18a406f