[INFO] cloning repository https://github.com/mwillsey/ruler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwillsey/ruler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fruler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fruler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c78d9c761ec4f87c1f153d6e77a537eb1a34c5ba
[INFO] testing mwillsey/ruler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fruler" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwillsey/ruler on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-24/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mwillsey/ruler
[INFO] finished tweaking git repo https://github.com/mwillsey/ruler
[INFO] tweaked toml for git repo https://github.com/mwillsey/ruler written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/egraphs-good/egg`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.1.9
[INFO] [stderr]   Downloaded clap_lex v0.1.1
[INFO] [stderr]   Downloaded z3 v0.10.0
[INFO] [stderr]   Downloaded z3-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8b258743597a1fa7728ec624874ce0eef97e7fcc28167a083bdf39682154960
[INFO] running `Command { std: "docker" "start" "-a" "a8b258743597a1fa7728ec624874ce0eef97e7fcc28167a083bdf39682154960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8b258743597a1fa7728ec624874ce0eef97e7fcc28167a083bdf39682154960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b258743597a1fa7728ec624874ce0eef97e7fcc28167a083bdf39682154960", kill_on_drop: false }`
[INFO] [stdout] a8b258743597a1fa7728ec624874ce0eef97e7fcc28167a083bdf39682154960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff36db0228a57887ca31becfa942441110c44602c78c6b332ca69024a8fde50
[INFO] running `Command { std: "docker" "start" "-a" "1ff36db0228a57887ca31becfa942441110c44602c78c6b332ca69024a8fde50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling z3 v0.10.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling egg v0.6.1-dev (https://github.com/egraphs-good/egg?rev=8d68c8768cc18c2eae97f970e2b4162324cee787#8d68c876)
[INFO] [stderr]    Compiling clap v3.1.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ruler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ruler`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name complex_real --edition=2018 src/bin/complex-real.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=70038890cb477498 -C extra-filename=-70038890cb477498 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-30060b73dcc0346d.rlib --extern egg=/opt/rustwide/target/debug/deps/libegg-dea2718a1ff84839.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ab83c2b1c4210b1f.rlib --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-7ac26f5272657299.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-37244cbed200cd09.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9f3b8f40c419f506.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b341606102c7008f.rlib --extern libm=/opt/rustwide/target/debug/deps/liblibm-2f1aa42b35c9f9bd.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1e8f0341924255e9.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-671640294ba55782.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-ae8be08797574bf5.rlib --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-b627a17c6e439d8e.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-63642e91b3c248ba.rlib --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-ba39e34aa82531bb.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-7731a8aa389c9c80.rlib --extern ruler=/opt/rustwide/target/debug/deps/libruler-6056938a245dd315.rlib --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-fa78b0299a8daff8.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-613a38b0fe5371d5.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5aa91ae5e32ed455.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3d5c45d76a673750.rlib --extern symbolic_expressions=/opt/rustwide/target/debug/deps/libsymbolic_expressions-1a282a0102b3af65.rlib --extern z3=/opt/rustwide/target/debug/deps/libz3-8eb072d188be82b8.rlib --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" "1ff36db0228a57887ca31becfa942441110c44602c78c6b332ca69024a8fde50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff36db0228a57887ca31becfa942441110c44602c78c6b332ca69024a8fde50", kill_on_drop: false }`
[INFO] [stdout] 1ff36db0228a57887ca31becfa942441110c44602c78c6b332ca69024a8fde50