[INFO] cloning repository https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlakreeh%2Freproduce-wasmer-cranelift-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlakreeh%2Freproduce-wasmer-cranelift-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f1c932f8e26a0f391800961256338c535d7e1d5
[INFO] testing vlakreeh/reproduce-wasmer-cranelift-bug against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlakreeh%2Freproduce-wasmer-cranelift-bug" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug
[INFO] finished tweaking git repo https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug
[INFO] tweaked toml for git repo https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/vlakreeh/reproduce-wasmer-cranelift-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.10.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.68.0
[INFO] [stderr]   Downloaded wasmparser v0.65.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.68.0
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded cranelift-bforest v0.68.0
[INFO] [stderr]   Downloaded darling_core v0.10.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.68.0
[INFO] [stderr]   Downloaded darling v0.10.3
[INFO] [stderr]   Downloaded enumset v1.0.1
[INFO] [stderr]   Downloaded wasmer-engine-jit v1.0.0-beta1
[INFO] [stderr]   Downloaded enumset_derive v0.5.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer-object v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer-derive v1.0.0-beta1
[INFO] [stderr]   Downloaded cranelift-codegen v0.68.0
[INFO] [stderr]   Downloaded wasmer-compiler v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer-engine-native v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer-types v1.0.0-beta1
[INFO] [stderr]   Downloaded wasmer-engine v1.0.0-beta1
[INFO] [stderr]   Downloaded cranelift-entity v0.68.0
[INFO] [stderr]   Downloaded wasmer-vm v1.0.0-beta1
[INFO] [stderr]   Downloaded wat v1.0.30
[INFO] [stderr]   Downloaded wast v29.0.0
[INFO] [stderr]   Downloaded wasmer-wasi v1.0.0-beta1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00a01fa83930949ce1705b0357eb77d50d54d8a8afcd18fd703501a867f6b663
[INFO] running `Command { std: "docker" "start" "-a" "00a01fa83930949ce1705b0357eb77d50d54d8a8afcd18fd703501a867f6b663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a01fa83930949ce1705b0357eb77d50d54d8a8afcd18fd703501a867f6b663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a01fa83930949ce1705b0357eb77d50d54d8a8afcd18fd703501a867f6b663", kill_on_drop: false }`
[INFO] [stdout] 00a01fa83930949ce1705b0357eb77d50d54d8a8afcd18fd703501a867f6b663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50eeb8151ecb18f8aa4594be9974c54cccf5a17be4ee867b99e3a2b2ec391423
[INFO] running `Command { std: "docker" "start" "-a" "50eeb8151ecb18f8aa4594be9974c54cccf5a17be4ee867b99e3a2b2ec391423", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-beta1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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-1.0.54/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=ee1138ebb072edf6 -C extra-filename=-ee1138ebb072edf6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4d038e1ab37629ce.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f69ce0b9554421d1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a00294059a9d31c4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "50eeb8151ecb18f8aa4594be9974c54cccf5a17be4ee867b99e3a2b2ec391423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50eeb8151ecb18f8aa4594be9974c54cccf5a17be4ee867b99e3a2b2ec391423", kill_on_drop: false }`
[INFO] [stdout] 50eeb8151ecb18f8aa4594be9974c54cccf5a17be4ee867b99e3a2b2ec391423