[INFO] cloning repository https://github.com/io12/brainfsym
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/io12/brainfsym" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da3357fdfeee7e1905799339a1ecc6be2154b1da
[INFO] checking io12/brainfsym against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/io12/brainfsym on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/io12/brainfsym
[INFO] finished tweaking git repo https://github.com/io12/brainfsym
[INFO] tweaked toml for git repo https://github.com/io12/brainfsym written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/io12/brainfsym already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/prove-rs/z3.rs`
[INFO] [stderr]     Updating git submodule `https://github.com/Z3Prover/z3.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brainfuck_rs v2.0.0
[INFO] [stderr]   Downloaded derive_setters v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ee010c3552f24cd32628fe867ad24557a799b69bacea8f0da27fae9aff0693d
[INFO] running `Command { std: "docker" "start" "-a" "6ee010c3552f24cd32628fe867ad24557a799b69bacea8f0da27fae9aff0693d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee010c3552f24cd32628fe867ad24557a799b69bacea8f0da27fae9aff0693d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee010c3552f24cd32628fe867ad24557a799b69bacea8f0da27fae9aff0693d", kill_on_drop: false }`
[INFO] [stdout] 6ee010c3552f24cd32628fe867ad24557a799b69bacea8f0da27fae9aff0693d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5746365961c524df91a655956c4881560351a3a13cf4fe2cf9fe8384150ef85c
[INFO] running `Command { std: "docker" "start" "-a" "5746365961c524df91a655956c4881560351a3a13cf4fe2cf9fe8384150ef85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling z3-sys v0.5.0 (https://github.com/prove-rs/z3.rs#fc39f328)
[INFO] [stderr]     Checking brainfuck_rs v2.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr] error: could not compile `darling_macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_macro /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_macro-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=11025978c8e619ae -C extra-filename=-11025978c8e619ae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern darling_core=/opt/rustwide/target/debug/deps/libdarling_core-ab625a370cad6f3f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-41cbc8fc7f9410fb.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c8b086c4922d153d.rlib --extern proc_macro --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" "5746365961c524df91a655956c4881560351a3a13cf4fe2cf9fe8384150ef85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5746365961c524df91a655956c4881560351a3a13cf4fe2cf9fe8384150ef85c", kill_on_drop: false }`
[INFO] [stdout] 5746365961c524df91a655956c4881560351a3a13cf4fe2cf9fe8384150ef85c