[INFO] fetching crate openrr-plugin 0.0.6...
[INFO] checking openrr-plugin-0.0.6 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate openrr-plugin 0.0.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate openrr-plugin 0.0.6 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openrr-plugin 0.0.6
[INFO] finished tweaking crates.io crate openrr-plugin 0.0.6
[INFO] tweaked toml for crates.io crate openrr-plugin 0.0.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate openrr-plugin 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bed0a737982dc4560fa59bd8b56bdf93b5a35460ec8dc7e2ff12480c532d396
[INFO] running `Command { std: "docker" "start" "-a" "6bed0a737982dc4560fa59bd8b56bdf93b5a35460ec8dc7e2ff12480c532d396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bed0a737982dc4560fa59bd8b56bdf93b5a35460ec8dc7e2ff12480c532d396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bed0a737982dc4560fa59bd8b56bdf93b5a35460ec8dc7e2ff12480c532d396", kill_on_drop: false }`
[INFO] [stdout] 6bed0a737982dc4560fa59bd8b56bdf93b5a35460ec8dc7e2ff12480c532d396
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdebc3c50ab0e609be5923c8cf6229f393e5894039bdfc838c93c225eaf6455e
[INFO] running `Command { std: "docker" "start" "-a" "fdebc3c50ab0e609be5923c8cf6229f393e5894039bdfc838c93c225eaf6455e", 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 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking plotters-backend v0.3.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling slotmap v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling core_extensions v0.1.20
[INFO] [stderr]    Compiling repr_offset v0.1.2
[INFO] [stderr]    Compiling assimp-sys v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking trajectory v0.0.2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking abi_stable_shared v0.9.0
[INFO] [stderr]     Checking rrt v0.5.0
[INFO] [stderr]     Checking nom_stl v0.2.2
[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-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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=ddde038055a2b76c -C extra-filename=-ddde038055a2b76c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fc7cd6531551569.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-222a78d45ac6a98c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.rmeta --cap-lints allow --cap-lints=forbid` (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" "fdebc3c50ab0e609be5923c8cf6229f393e5894039bdfc838c93c225eaf6455e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdebc3c50ab0e609be5923c8cf6229f393e5894039bdfc838c93c225eaf6455e", kill_on_drop: false }`
[INFO] [stdout] fdebc3c50ab0e609be5923c8cf6229f393e5894039bdfc838c93c225eaf6455e