[INFO] fetching crate wimp 0.1.0...
[INFO] testing wimp-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wimp 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wimp 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wimp 0.1.0
[INFO] finished tweaking crates.io crate wimp 0.1.0
[INFO] tweaked toml for crates.io crate wimp 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate wimp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded objc_exception v0.1.2
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.0
[INFO] [stderr]   Downloaded async-macros v2.0.0
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.1
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded nb-connect v1.0.1
[INFO] [stderr]   Downloaded gfx-auxil v0.6.0
[INFO] [stderr]   Downloaded libloading v0.6.3
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded inplace_it v0.3.2
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded range-alloc v0.1.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.4
[INFO] [stderr]   Downloaded spirv_cross v0.21.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded futures-core v0.3.5
[INFO] [stderr]   Downloaded futures-task v0.3.5
[INFO] [stderr]   Downloaded futures-io v0.3.5
[INFO] [stderr]   Downloaded futures-macro v0.3.5
[INFO] [stderr]   Downloaded futures-sink v0.3.5
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.3.5
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded futures-executor v0.3.5
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.4
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded futures-util v0.3.5
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] [stderr]   Downloaded shaderc v0.6.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded wgpu v0.6.0
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded atom v0.3.5
[INFO] [stderr]   Downloaded gfx-memory v0.2.0
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.3
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded spirv_headers v1.5.0
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded hibitset v0.6.3
[INFO] [stderr]   Downloaded futures-lite v1.10.0
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded wgpu-core v0.6.3
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] [stderr]   Downloaded tracing v0.1.21
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded polling v2.0.0
[INFO] [stderr]   Downloaded async-global-executor v1.3.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.3
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded async-io v1.1.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded x11rb v0.6.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.2
[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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] e19dcc657d6eecfe626f1ac1d14538346dc618efae1813111ea87e8a5323a166
[INFO] running `Command { std: "docker" "start" "-a" "e19dcc657d6eecfe626f1ac1d14538346dc618efae1813111ea87e8a5323a166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19dcc657d6eecfe626f1ac1d14538346dc618efae1813111ea87e8a5323a166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19dcc657d6eecfe626f1ac1d14538346dc618efae1813111ea87e8a5323a166", kill_on_drop: false }`
[INFO] [stdout] e19dcc657d6eecfe626f1ac1d14538346dc618efae1813111ea87e8a5323a166
[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=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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b6e3804b041b9c13afa531c0b47a6fe057cae2341336d2face9478a6615419f
[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" "8b6e3804b041b9c13afa531c0b47a6fe057cae2341336d2face9478a6615419f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling async-macros v2.0.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-lite v1.10.0
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nb-connect v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling polling v2.0.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling async-io v1.1.8
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling async-global-executor v1.3.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling x11rb v0.6.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling gfx-memory v0.2.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.42/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=33aa97c398ed3890 -C extra-filename=-33aa97c398ed3890 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e745718ee331648c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d7254c0854c6fb23.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a00294059a9d31c4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8b6e3804b041b9c13afa531c0b47a6fe057cae2341336d2face9478a6615419f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6e3804b041b9c13afa531c0b47a6fe057cae2341336d2face9478a6615419f", kill_on_drop: false }`
[INFO] [stdout] 8b6e3804b041b9c13afa531c0b47a6fe057cae2341336d2face9478a6615419f