[INFO] fetching crate loom 0.5.2... [INFO] testing loom-0.5.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate loom 0.5.2 into /workspace/builds/worker-17/source [INFO] validating manifest of crates.io crate loom 0.5.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate loom 0.5.2 [INFO] finished tweaking crates.io crate loom 0.5.2 [INFO] tweaked toml for crates.io crate loom 0.5.2 written to /workspace/builds/worker-17/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded generator v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30ffec3f02a220540da22d348e89015a99cf01214969c016154d482ba914b7cc [INFO] running `Command { std: "docker" "start" "-a" "30ffec3f02a220540da22d348e89015a99cf01214969c016154d482ba914b7cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30ffec3f02a220540da22d348e89015a99cf01214969c016154d482ba914b7cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ffec3f02a220540da22d348e89015a99cf01214969c016154d482ba914b7cc", kill_on_drop: false }` [INFO] [stdout] 30ffec3f02a220540da22d348e89015a99cf01214969c016154d482ba914b7cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e97558242713b20a885351c39f50b8b827d2069858c0800e8b80b0d93fcb12e [INFO] running `Command { std: "docker" "start" "-a" "8e97558242713b20a885351c39f50b8b827d2069858c0800e8b80b0d93fcb12e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling rustversion v1.0.5 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling generator v0.7.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling loom v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `obj` [INFO] [stdout] --> src/alloc.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | obj: rt::Allocation, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.90s [INFO] running `Command { std: "docker" "inspect" "8e97558242713b20a885351c39f50b8b827d2069858c0800e8b80b0d93fcb12e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e97558242713b20a885351c39f50b8b827d2069858c0800e8b80b0d93fcb12e", kill_on_drop: false }` [INFO] [stdout] 8e97558242713b20a885351c39f50b8b827d2069858c0800e8b80b0d93fcb12e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41ef3ae31f73151dc6100e74b0d019349c5adfe6776685c69c03bb89b0da250f [INFO] running `Command { std: "docker" "start" "-a" "41ef3ae31f73151dc6100e74b0d019349c5adfe6776685c69c03bb89b0da250f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stdout] warning: field is never read: `obj` [INFO] [stdout] --> src/alloc.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | obj: rt::Allocation, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling loom v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `loom` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name loom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=693e5c86a80d0a6e -C extra-filename=-693e5c86a80d0a6e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-752e9264e455d63d.rlib --extern generator=/opt/rustwide/target/debug/deps/libgenerator-2d436de29dc3b080.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-29faee4d9ff28116.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-0458acec011701e8.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-3a8699e62fa3dddc.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/generator-ad913fece87a5105/out` (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" "41ef3ae31f73151dc6100e74b0d019349c5adfe6776685c69c03bb89b0da250f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41ef3ae31f73151dc6100e74b0d019349c5adfe6776685c69c03bb89b0da250f", kill_on_drop: false }` [INFO] [stdout] 41ef3ae31f73151dc6100e74b0d019349c5adfe6776685c69c03bb89b0da250f