[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscad-io%2FMusCAD" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muscad-io/MusCAD on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac469da5428bb43679bd6a30423fc2fca160da6cc104fb6f942a473becd26211
[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" "ac469da5428bb43679bd6a30423fc2fca160da6cc104fb6f942a473becd26211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac469da5428bb43679bd6a30423fc2fca160da6cc104fb6f942a473becd26211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac469da5428bb43679bd6a30423fc2fca160da6cc104fb6f942a473becd26211", kill_on_drop: false }`
[INFO] [stdout] ac469da5428bb43679bd6a30423fc2fca160da6cc104fb6f942a473becd26211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e314c046e9055af9e38b4f368cafe304f0e8f72e671990a24820c9683d8d8b
[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" "e8e314c046e9055af9e38b4f368cafe304f0e8f72e671990a24820c9683d8d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling gluon_vm v0.17.2
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling archery v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling tokio v0.2.24
[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 crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rpds v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling codespan v0.9.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[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 regex v1.4.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[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=ce88ad4a37e613ea -C extra-filename=-ce88ad4a37e613ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-24aab58f928dda95.so --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rmeta --extern codespan=/opt/rustwide/target/debug/deps/libcodespan-55698b460b0dc19c.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-2c7558eb088f5636.rmeta --extern collect_mac=/opt/rustwide/target/debug/deps/libcollect_mac-74e26d767c34af9c.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-8d7272f5f34985a5.rmeta --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-b9ffb2bf001c434f.rmeta --extern frunk_core=/opt/rustwide/target/debug/deps/libfrunk_core-ea6f8bed8185fd5f.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c959466d5f20d51f.rmeta --extern gluon_base=/opt/rustwide/target/debug/deps/libgluon_base-d88daf9f31ab6faa.rmeta --extern gluon_check=/opt/rustwide/target/debug/deps/libgluon_check-44e497b791e4e062.rmeta --extern gluon_codegen=/opt/rustwide/target/debug/deps/libgluon_codegen-34d31b736d4f504c.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-a3b979205d88eb93.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7e3bd00b914239f3.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-2c3c99718a8e6626.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-32bda8119f400c00.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7ae66a9d9692f551.rmeta --extern pretty=/opt/rustwide/target/debug/deps/libpretty-0cf9bcd5f83f6096.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-5ca0b2d5261a4c49.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-342d21e1f5505122.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-cf2a08f698c4caa7.rmeta --extern typed_arena=/opt/rustwide/target/debug/deps/libtyped_arena-44a6b78d38bbbfed.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" "e8e314c046e9055af9e38b4f368cafe304f0e8f72e671990a24820c9683d8d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e314c046e9055af9e38b4f368cafe304f0e8f72e671990a24820c9683d8d8b", kill_on_drop: false }`
[INFO] [stdout] e8e314c046e9055af9e38b4f368cafe304f0e8f72e671990a24820c9683d8d8b