[INFO] fetching crate tvm 0.1.1-alpha...
[INFO] checking tvm-0.1.1-alpha against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tvm 0.1.1-alpha into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate tvm 0.1.1-alpha on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tvm 0.1.1-alpha
[INFO] finished tweaking crates.io crate tvm 0.1.1-alpha
[INFO] tweaked toml for crates.io crate tvm 0.1.1-alpha written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate tvm 0.1.1-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff804d7df98dc97dcb4e466d15755cc01a29347fc3baaee854c0fea2c147cd49
[INFO] running `Command { std: "docker" "start" "-a" "ff804d7df98dc97dcb4e466d15755cc01a29347fc3baaee854c0fea2c147cd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff804d7df98dc97dcb4e466d15755cc01a29347fc3baaee854c0fea2c147cd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff804d7df98dc97dcb4e466d15755cc01a29347fc3baaee854c0fea2c147cd49", kill_on_drop: false }`
[INFO] [stdout] ff804d7df98dc97dcb4e466d15755cc01a29347fc3baaee854c0fea2c147cd49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 059a18c530e7d3734f1c1b8f4ba2a0f80a66ad8b8a71ee3a9d580a5b2f47c15d
[INFO] running `Command { std: "docker" "start" "-a" "059a18c530e7d3734f1c1b8f4ba2a0f80a66ad8b8a71ee3a9d580a5b2f47c15d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling heim-common v0.0.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling heim-host v0.0.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[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 num-complex v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling mashup-impl v0.1.12
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mashup v0.1.12
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[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-1.0.60/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-mut"' -C metadata=44763f44af5eea3f -C extra-filename=-44763f44af5eea3f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9b4df95ecb31aae2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c8250b30bfb940ed.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.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" "059a18c530e7d3734f1c1b8f4ba2a0f80a66ad8b8a71ee3a9d580a5b2f47c15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059a18c530e7d3734f1c1b8f4ba2a0f80a66ad8b8a71ee3a9d580a5b2f47c15d", kill_on_drop: false }`
[INFO] [stdout] 059a18c530e7d3734f1c1b8f4ba2a0f80a66ad8b8a71ee3a9d580a5b2f47c15d