[INFO] cloning repository https://github.com/InnPatron/plank
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/InnPatron/plank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnPatron%2Fplank", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnPatron%2Fplank'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7559f05a51c1dad6bca5d468470a2f345c55e119
[INFO] checking InnPatron/plank against master#1be5c8f90912c446ecbdc405cbc4a89f9acd20fd for pr-93394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnPatron%2Fplank" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/InnPatron/plank on toolchain 1be5c8f90912c446ecbdc405cbc4a89f9acd20fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/InnPatron/plank
[INFO] finished tweaking git repo https://github.com/InnPatron/plank
[INFO] tweaked toml for git repo https://github.com/InnPatron/plank written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/InnPatron/plank already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "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 is-macro v0.1.8
[INFO] [stderr]   Downloaded enum_kind v0.2.0
[INFO] [stderr]   Downloaded swc_macros_common v0.3.1
[INFO] [stderr]   Downloaded swc_ecma_parser_macros v0.4.1
[INFO] [stderr]   Downloaded ast_node v0.7.0
[INFO] [stderr]   Downloaded string_enum v0.3.0
[INFO] [stderr]   Downloaded if_chain v1.0.0
[INFO] [stderr]   Downloaded from_variant v0.1.2
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded swc_atoms v0.2.2
[INFO] [stderr]   Downloaded sourcemap v6.0.1
[INFO] [stderr]   Downloaded dashmap v3.5.1
[INFO] [stderr]   Downloaded swc_visit v0.1.0
[INFO] [stderr]   Downloaded swc_ecma_ast v0.26.0
[INFO] [stderr]   Downloaded swc_visit_macros v0.1.0
[INFO] [stderr]   Downloaded swc_ecma_visit v0.11.0
[INFO] [stderr]   Downloaded swc_common v0.7.0
[INFO] [stderr]   Downloaded swc_ecma_parser v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4315c0f328d7a3bd334b91fb1d46eed3bf79b1b88aa25c966d90bbb2013f080
[INFO] running `Command { std: "docker" "start" "-a" "a4315c0f328d7a3bd334b91fb1d46eed3bf79b1b88aa25c966d90bbb2013f080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4315c0f328d7a3bd334b91fb1d46eed3bf79b1b88aa25c966d90bbb2013f080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4315c0f328d7a3bd334b91fb1d46eed3bf79b1b88aa25c966d90bbb2013f080", kill_on_drop: false }`
[INFO] [stdout] a4315c0f328d7a3bd334b91fb1d46eed3bf79b1b88aa25c966d90bbb2013f080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e3e8932820008181421e4d2829654706f1b7c76351e94748707b07766aec3f
[INFO] running `Command { std: "docker" "start" "-a" "41e3e8932820008181421e4d2829654706f1b7c76351e94748707b07766aec3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[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-1.0.36/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=d68db5cf13e25a1f -C extra-filename=-d68db5cf13e25a1f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-21524b02166a2e4c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c964b57f837be3f0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.rmeta --cap-lints allow --cap-lints=warn` (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" "41e3e8932820008181421e4d2829654706f1b7c76351e94748707b07766aec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e3e8932820008181421e4d2829654706f1b7c76351e94748707b07766aec3f", kill_on_drop: false }`
[INFO] [stdout] 41e3e8932820008181421e4d2829654706f1b7c76351e94748707b07766aec3f