[INFO] fetching crate frepl 0.7.2...
[INFO] testing frepl-0.7.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate frepl 0.7.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate frepl 0.7.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frepl 0.7.2
[INFO] finished tweaking crates.io crate frepl 0.7.2
[INFO] tweaked toml for crates.io crate frepl 0.7.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate frepl 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag-impl v0.1.7
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.17.1
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.59.0
[INFO] [stderr]   Downloaded wasmer-runtime-core v0.17.1
[INFO] [stderr]   Downloaded wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded cranelift-entity v0.59.0
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded it-lilo v0.1.0
[INFO] [stderr]   Downloaded wast v8.0.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded pwasm-utils v0.12.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.59.0
[INFO] [stderr]   Downloaded cargo_toml v0.8.1
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded cmd_lib v0.7.8
[INFO] [stderr]   Downloaded fce-wit-parser v0.5.0
[INFO] [stderr]   Downloaded fce-wit-interfaces v0.3.0
[INFO] [stderr]   Downloaded walrus v0.18.0
[INFO] [stderr]   Downloaded safe-transmute v0.11.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.59.0
[INFO] [stderr]   Downloaded it-to-bytes v0.1.0
[INFO] [stderr]   Downloaded fce v0.5.0
[INFO] [stderr]   Downloaded fluence-faas v0.7.0
[INFO] [stderr]   Downloaded fluence-sdk-wit v0.6.1
[INFO] [stderr]   Downloaded walrus-macro v0.18.0
[INFO] [stderr]   Downloaded rustop v1.1.1
[INFO] [stderr]   Downloaded typetag v0.1.7
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded cranelift-native v0.59.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] [stderr]   Downloaded tuikit v0.2.9
[INFO] [stderr]   Downloaded skim v0.7.0
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.59.0
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded wasmparser v0.51.4
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded serde-bench v0.0.7
[INFO] [stderr]   Downloaded wasmer-wasi-fl v0.17.1
[INFO] [stderr]   Downloaded fluence-app-service v0.7.0
[INFO] [stderr]   Downloaded fluence-sdk-macro v0.6.1
[INFO] [stderr]   Downloaded fce-wit-generator v0.4.0
[INFO] [stderr]   Downloaded fce-utils v0.2.0
[INFO] [stderr]   Downloaded fluence-sdk-main v0.6.1
[INFO] [stderr]   Downloaded fce-module-info-parser v0.1.0
[INFO] [stderr]   Downloaded fce-timestamp-macro v0.6.1
[INFO] [stderr]   Downloaded fluence-it-types v0.3.0
[INFO] [stderr]   Downloaded wasmer-interface-types-fl v0.20.1
[INFO] [stderr]   Downloaded fluence v0.6.2
[INFO] [stderr]   Downloaded wasmer-runtime-fl v0.17.0
[INFO] [stderr]   Downloaded check-latest v1.0.0
[INFO] [stderr]   Downloaded wasmer-runtime-core-fl v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c09d059877efcb35622213df1ccfba05e0c27baae7233e9bcf8a2790d13a903
[INFO] running `Command { std: "docker" "start" "-a" "6c09d059877efcb35622213df1ccfba05e0c27baae7233e9bcf8a2790d13a903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c09d059877efcb35622213df1ccfba05e0c27baae7233e9bcf8a2790d13a903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c09d059877efcb35622213df1ccfba05e0c27baae7233e9bcf8a2790d13a903", kill_on_drop: false }`
[INFO] [stdout] 6c09d059877efcb35622213df1ccfba05e0c27baae7233e9bcf8a2790d13a903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba31cfd7cfab990df9a847975be95254c188382e3bb252572a56a86032d59fb
[INFO] running `Command { std: "docker" "start" "-a" "bba31cfd7cfab990df9a847975be95254c188382e3bb252572a56a86032d59fb", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling cranelift-entity v0.59.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling it-to-bytes v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling safe-transmute v0.11.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling fce-utils v0.2.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cmd_lib v0.7.8
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rustop v1.1.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling wast v8.0.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling cranelift-bforest v0.59.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "bba31cfd7cfab990df9a847975be95254c188382e3bb252572a56a86032d59fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba31cfd7cfab990df9a847975be95254c188382e3bb252572a56a86032d59fb", kill_on_drop: false }`
[INFO] [stdout] bba31cfd7cfab990df9a847975be95254c188382e3bb252572a56a86032d59fb