[INFO] cloning repository https://github.com/5225225/distcomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5225225/distcomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 488e2fdfed6ae5e352e5496e24b20b3be8e49918
[INFO] checking 5225225/distcomp against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5225225/distcomp on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5225225/distcomp
[INFO] finished tweaking git repo https://github.com/5225225/distcomp
[INFO] tweaked toml for git repo https://github.com/5225225/distcomp written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/5225225/distcomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v0.1.26
[INFO] [stderr]   Downloaded cmake v0.1.41
[INFO] [stderr]   Downloaded rusqlite v0.19.0
[INFO] [stderr]   Downloaded static_assertions v0.3.3
[INFO] [stderr]   Downloaded libsqlite3-sys v0.15.0
[INFO] [stderr]   Downloaded wabt-sys v0.6.1
[INFO] [stderr]   Downloaded better-panic v0.1.2
[INFO] [stderr]   Downloaded serde_cbor v0.10.1
[INFO] [stderr]   Downloaded handletree-rs v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.43
[INFO] [stderr]   Downloaded wabt v0.9.0
[INFO] [stderr]   Downloaded wasmi v0.5.0
[INFO] [stderr]   Downloaded sodiumoxide v0.2.2
[INFO] [stderr]   Downloaded libsodium-sys v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] d25a0e2acc23c506ffab6b827ded6eabcbdc65e67962d75c9c98df810e38a8fb
[INFO] running `Command { std: "docker" "start" "-a" "d25a0e2acc23c506ffab6b827ded6eabcbdc65e67962d75c9c98df810e38a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d25a0e2acc23c506ffab6b827ded6eabcbdc65e67962d75c9c98df810e38a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25a0e2acc23c506ffab6b827ded6eabcbdc65e67962d75c9c98df810e38a8fb", kill_on_drop: false }`
[INFO] [stdout] d25a0e2acc23c506ffab6b827ded6eabcbdc65e67962d75c9c98df810e38a8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0c6b18a3d97ca5f59771f69d8d6e393253e4123bb9f914f101e70577e47bdb
[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" "ea0c6b18a3d97ca5f59771f69d8d6e393253e4123bb9f914f101e70577e47bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]     Checking handletree-rs v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling libflate v0.1.26
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]    Compiling libsodium-sys v0.2.2
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking better-panic v0.1.2
[INFO] [stderr]     Checking wasmi v0.5.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.43/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=81ce2596a43d5d10 -C extra-filename=-81ce2596a43d5d10 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50111b8f7188482d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4972d66cc4bf7970.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "ea0c6b18a3d97ca5f59771f69d8d6e393253e4123bb9f914f101e70577e47bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0c6b18a3d97ca5f59771f69d8d6e393253e4123bb9f914f101e70577e47bdb", kill_on_drop: false }`
[INFO] [stdout] ea0c6b18a3d97ca5f59771f69d8d6e393253e4123bb9f914f101e70577e47bdb