[INFO] cloning repository https://github.com/gakonst/dark-forest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gakonst/dark-forest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgakonst%2Fdark-forest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgakonst%2Fdark-forest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f441ea5b2374760f113ee3ff6517f51ce1fa76ac
[INFO] testing gakonst/dark-forest against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgakonst%2Fdark-forest" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gakonst/dark-forest 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/gakonst/dark-forest
[INFO] finished tweaking git repo https://github.com/gakonst/dark-forest
[INFO] tweaked toml for git repo https://github.com/gakonst/dark-forest written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gakonst/dark-forest 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1a2652de5daeee935c830af173c3407e75cbffb511cde4ab538a28042c81d7ea
[INFO] running `Command { std: "docker" "start" "-a" "1a2652de5daeee935c830af173c3407e75cbffb511cde4ab538a28042c81d7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2652de5daeee935c830af173c3407e75cbffb511cde4ab538a28042c81d7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2652de5daeee935c830af173c3407e75cbffb511cde4ab538a28042c81d7ea", kill_on_drop: false }`
[INFO] [stdout] 1a2652de5daeee935c830af173c3407e75cbffb511cde4ab538a28042c81d7ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f801119d5cefebffe7d73c8d23b1bea9ebb85ba80fd335e439c722262b3ba802
[INFO] running `Command { std: "docker" "start" "-a" "f801119d5cefebffe7d73c8d23b1bea9ebb85ba80fd335e439c722262b3ba802", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling const-oid v0.6.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling base64ct v1.0.0
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling cranelift-entity v0.74.0
[INFO] [stderr]    Compiling wasmparser v0.78.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.74.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling wasmer-vm v2.0.0
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling wast v37.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling cranelift-bforest v0.74.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling der v0.4.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.74.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling uint v0.9.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr] error: could not compile `wasmparser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wasmparser --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.78.2/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=28e4e829933f14fd -C extra-filename=-28e4e829933f14fd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "f801119d5cefebffe7d73c8d23b1bea9ebb85ba80fd335e439c722262b3ba802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f801119d5cefebffe7d73c8d23b1bea9ebb85ba80fd335e439c722262b3ba802", kill_on_drop: false }`
[INFO] [stdout] f801119d5cefebffe7d73c8d23b1bea9ebb85ba80fd335e439c722262b3ba802