[INFO] cloning repository https://github.com/muscad-io/MusCAD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muscad-io/MusCAD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscad-io%2FMusCAD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscad-io%2FMusCAD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d51b0cc8c626597d32cdd11d93034481373f6e8
[INFO] testing muscad-io/MusCAD against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscad-io%2FMusCAD" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muscad-io/MusCAD on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muscad-io/MusCAD
[INFO] finished tweaking git repo https://github.com/muscad-io/MusCAD
[INFO] tweaked toml for git repo https://github.com/muscad-io/MusCAD written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/muscad-io/MusCAD already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e5164279deff4b183849d665ae5892a7a9899b9b1b717c5d007c6f4d9ec36a
[INFO] running `Command { std: "docker" "start" "-a" "34e5164279deff4b183849d665ae5892a7a9899b9b1b717c5d007c6f4d9ec36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e5164279deff4b183849d665ae5892a7a9899b9b1b717c5d007c6f4d9ec36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e5164279deff4b183849d665ae5892a7a9899b9b1b717c5d007c6f4d9ec36a", kill_on_drop: false }`
[INFO] [stdout] 34e5164279deff4b183849d665ae5892a7a9899b9b1b717c5d007c6f4d9ec36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 656479e029483a9bbde13f9b3d662fcb885811319f684634b477acdabfaec0ba
[INFO] running `Command { std: "docker" "start" "-a" "656479e029483a9bbde13f9b3d662fcb885811319f684634b477acdabfaec0ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling gluon_vm v0.17.2
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling archery v0.3.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling rpds v0.7.0
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling codespan v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling gluon_codegen v0.17.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling gluon-salsa-macros v0.15.2
[INFO] [stderr]    Compiling muscad-macro v0.0.1 (/opt/rustwide/workdir/muscad-core/proc_macros)
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling gluon_base v0.17.2
[INFO] [stderr]    Compiling gluon_check v0.17.2
[INFO] [stderr]    Compiling gluon_format v0.17.2
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling gluon-salsa v0.15.2
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling gluon v0.17.2
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]    Compiling muscad-core v0.0.1 (/opt/rustwide/workdir/muscad-core)
[INFO] [stderr] error: could not compile `gluon_vm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gluon_vm --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.17.2/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 -C metadata=a9477a0fa76b75dd -C extra-filename=-a9477a0fa76b75dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-f19bf509dcc705c2.so --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern codespan=/opt/rustwide/target/debug/deps/libcodespan-f9cc22079c04e2f6.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-acb77776a5a0a7e8.rmeta --extern collect_mac=/opt/rustwide/target/debug/deps/libcollect_mac-917315139929b545.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-e176cdcd5c7de599.rmeta --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-8b083fc5e75e5fac.rmeta --extern frunk_core=/opt/rustwide/target/debug/deps/libfrunk_core-782ad4617f2b1814.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-1bcb98bcd1bf2076.rmeta --extern gluon_base=/opt/rustwide/target/debug/deps/libgluon_base-d099d7cb01c5b85a.rmeta --extern gluon_check=/opt/rustwide/target/debug/deps/libgluon_check-a790e672ea1f064b.rmeta --extern gluon_codegen=/opt/rustwide/target/debug/deps/libgluon_codegen-da6546f45fe9b5f9.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b65bbea60783ae07.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-606471d8ff3e0880.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-9eccbb6148576f35.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f2bff40a4ecc0786.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-74526cb5ebd06419.rmeta --extern pretty=/opt/rustwide/target/debug/deps/libpretty-bb2f3a5621e614c1.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-92792d7d5dc6f90c.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-31c88580e3b60f0d.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-226ef02a5c60baf6.rmeta --extern typed_arena=/opt/rustwide/target/debug/deps/libtyped_arena-af61db661ff20dff.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" "656479e029483a9bbde13f9b3d662fcb885811319f684634b477acdabfaec0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656479e029483a9bbde13f9b3d662fcb885811319f684634b477acdabfaec0ba", kill_on_drop: false }`
[INFO] [stdout] 656479e029483a9bbde13f9b3d662fcb885811319f684634b477acdabfaec0ba