[INFO] fetching crate thirtyfour_sync 0.22.2...
[INFO] checking thirtyfour_sync-0.22.2 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate thirtyfour_sync 0.22.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate thirtyfour_sync 0.22.2 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thirtyfour_sync 0.22.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate thirtyfour_sync 0.22.2
[INFO] tweaked toml for crates.io crate thirtyfour_sync 0.22.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate thirtyfour_sync 0.22.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded tokio-util v0.6.2
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded urlparse v0.7.3
[INFO] [stderr]   Downloaded thirtyfour v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684dbc40d6c5e03fe77d1bf2fe70150b50450c8c7312f199781c6464003cf2bd
[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" "684dbc40d6c5e03fe77d1bf2fe70150b50450c8c7312f199781c6464003cf2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684dbc40d6c5e03fe77d1bf2fe70150b50450c8c7312f199781c6464003cf2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684dbc40d6c5e03fe77d1bf2fe70150b50450c8c7312f199781c6464003cf2bd", kill_on_drop: false }`
[INFO] [stdout] 684dbc40d6c5e03fe77d1bf2fe70150b50450c8c7312f199781c6464003cf2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] 2e1762bda0f4a75f48ab8c2d40a487ec14c0d2617a5601d98b85c19f57e66842
[INFO] running `Command { std: "docker" "start" "-a" "2e1762bda0f4a75f48ab8c2d40a487ec14c0d2617a5601d98b85c19f57e66842", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr] error: could not compile `pin-project-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-0.4.27/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=b137bacce0b1d2ff -C extra-filename=-b137bacce0b1d2ff --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb4ba7198c8ab084.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a69b9c9858fa556.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7f5a49a8d7431512.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg deprecated_proc_macro` (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" "2e1762bda0f4a75f48ab8c2d40a487ec14c0d2617a5601d98b85c19f57e66842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1762bda0f4a75f48ab8c2d40a487ec14c0d2617a5601d98b85c19f57e66842", kill_on_drop: false }`
[INFO] [stdout] 2e1762bda0f4a75f48ab8c2d40a487ec14c0d2617a5601d98b85c19f57e66842