[INFO] fetching crate radicle-source 0.3.0...
[INFO] checking radicle-source-0.3.0 against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] extracting crate radicle-source 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate radicle-source 0.3.0 on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate radicle-source 0.3.0
[INFO] finished tweaking crates.io crate radicle-source 0.3.0
[INFO] tweaked toml for crates.io crate radicle-source 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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 nonempty v0.6.0
[INFO] [stderr]   Downloaded radicle-surf v0.7.0
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87839fb0cbcfc26a053540cf32f9c87c05435a743be44eeab38d0cab0065bdf
[INFO] running `Command { std: "docker" "start" "-a" "e87839fb0cbcfc26a053540cf32f9c87c05435a743be44eeab38d0cab0065bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87839fb0cbcfc26a053540cf32f9c87c05435a743be44eeab38d0cab0065bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87839fb0cbcfc26a053540cf32f9c87c05435a743be44eeab38d0cab0065bdf", kill_on_drop: false }`
[INFO] [stdout] e87839fb0cbcfc26a053540cf32f9c87c05435a743be44eeab38d0cab0065bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c84d3daea10b985121ba49e61cd5270f8eaa2a64a2b1c65bcd7e6f349dbf67
[INFO] running `Command { std: "docker" "start" "-a" "87c84d3daea10b985121ba49e61cd5270f8eaa2a64a2b1c65bcd7e6f349dbf67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking nonempty v0.5.0
[INFO] [stderr]     Checking nonempty v0.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]    Compiling radicle-surf v0.7.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[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-1.0.96/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=a0e99428ff1a8735 -C extra-filename=-a0e99428ff1a8735 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8cb96000c96f9250.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6531c3c818581e12.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3c3eb1ebc033cd2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "87c84d3daea10b985121ba49e61cd5270f8eaa2a64a2b1c65bcd7e6f349dbf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c84d3daea10b985121ba49e61cd5270f8eaa2a64a2b1c65bcd7e6f349dbf67", kill_on_drop: false }`
[INFO] [stdout] 87c84d3daea10b985121ba49e61cd5270f8eaa2a64a2b1c65bcd7e6f349dbf67