[INFO] fetching crate flowc 0.40.1...
[INFO] building flowc-0.40.1 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate flowc 0.40.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flowc 0.40.1 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowc 0.40.1
[INFO] finished tweaking crates.io crate flowc 0.40.1
[INFO] tweaked toml for crates.io crate flowc 0.40.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flowc 0.40.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9e06dbeb7abefd70e0c63607e611e3997043e541039730cdb9c89ec0a067462
[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" "c9e06dbeb7abefd70e0c63607e611e3997043e541039730cdb9c89ec0a067462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e06dbeb7abefd70e0c63607e611e3997043e541039730cdb9c89ec0a067462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e06dbeb7abefd70e0c63607e611e3997043e541039730cdb9c89ec0a067462", kill_on_drop: false }`
[INFO] [stdout] c9e06dbeb7abefd70e0c63607e611e3997043e541039730cdb9c89ec0a067462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77ab7603dd2cf79239ddc5c8b51918c49f57222801651dc325f3e929e05b664
[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" "e77ab7603dd2cf79239ddc5c8b51918c49f57222801651dc325f3e929e05b664", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling simplog v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling simpath v2.3.0
[INFO] [stderr]    Compiling flowcore v0.40.1
[INFO] [stderr]    Compiling flowc v0.40.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "e77ab7603dd2cf79239ddc5c8b51918c49f57222801651dc325f3e929e05b664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77ab7603dd2cf79239ddc5c8b51918c49f57222801651dc325f3e929e05b664", kill_on_drop: false }`
[INFO] [stdout] e77ab7603dd2cf79239ddc5c8b51918c49f57222801651dc325f3e929e05b664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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] 138ff58a18e3d9c82d1a901978c33df8f5f24af3daa4e4f3320b0ffd9f0311c1
[INFO] running `Command { std: "docker" "start" "-a" "138ff58a18e3d9c82d1a901978c33df8f5f24af3daa4e4f3320b0ffd9f0311c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling simpath v2.3.0
[INFO] [stderr]    Compiling flowcore v0.40.1
[INFO] [stderr]    Compiling flowc v0.40.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `flowc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name flowclib --edition=2021 src/lib/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="debugger"' --cfg 'feature="default"' -C metadata=ad2d0863a613b3cf -C extra-filename=-ad2d0863a613b3cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-4a78361813b9ecdf.rlib --extern colored=/opt/rustwide/target/debug/deps/libcolored-b876d0fc0d8dcd1b.rlib --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-c59b17eb3e6c4b82.rlib --extern flowcore=/opt/rustwide/target/debug/deps/libflowcore-5faa7b4eace5407f.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-d3943553b96703d7.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-4573b534c2bac567.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-54df8fb3d36ea02e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a4175963a0119021.rlib --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-826689ee067daf67.rlib --extern shrinkwraprs=/opt/rustwide/target/debug/deps/libshrinkwraprs-cf87a163d82ea9ab.so --extern simpath=/opt/rustwide/target/debug/deps/libsimpath-5423cb8839129afd.rlib --extern simplog=/opt/rustwide/target/debug/deps/libsimplog-01933e899f474f16.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-7baeee8f859b1e44.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-3b2c362490e70e6f.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-7dab5e7f2100961f/out/build` (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" "138ff58a18e3d9c82d1a901978c33df8f5f24af3daa4e4f3320b0ffd9f0311c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138ff58a18e3d9c82d1a901978c33df8f5f24af3daa4e4f3320b0ffd9f0311c1", kill_on_drop: false }`
[INFO] [stdout] 138ff58a18e3d9c82d1a901978c33df8f5f24af3daa4e4f3320b0ffd9f0311c1