[INFO] fetching crate polyhorn-cli 0.3.2...
[INFO] checking polyhorn-cli-0.3.2 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate polyhorn-cli 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polyhorn-cli 0.3.2 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-cli 0.3.2
[INFO] finished tweaking crates.io crate polyhorn-cli 0.3.2
[INFO] tweaked toml for crates.io crate polyhorn-cli 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate polyhorn-cli 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svgfilters v0.2.0
[INFO] [stderr]   Downloaded tiny-skia v0.1.0
[INFO] [stderr]   Downloaded resvg v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f139081817fb58df8f9906c9e147c4684abd265920619530c4b50cd8f6443d21
[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" "f139081817fb58df8f9906c9e147c4684abd265920619530c4b50cd8f6443d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f139081817fb58df8f9906c9e147c4684abd265920619530c4b50cd8f6443d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f139081817fb58df8f9906c9e147c4684abd265920619530c4b50cd8f6443d21", kill_on_drop: false }`
[INFO] [stdout] f139081817fb58df8f9906c9e147c4684abd265920619530c4b50cd8f6443d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 182c11661efd8b1bbe9c88761dd71028e72a32c1252c2f49f7af9d3a7d4e6e9d
[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" "182c11661efd8b1bbe9c88761dd71028e72a32c1252c2f49f7af9d3a7d4e6e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking path-dedot v3.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking path-absolutize v3.0.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling tiny-skia v0.1.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking fontdb v0.1.0
[INFO] [stderr]    Compiling cargo v0.48.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.44/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=248b8f744ebde9ec -C extra-filename=-248b8f744ebde9ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a8bb825df9136cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-944c052ceb08ffd8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.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" "182c11661efd8b1bbe9c88761dd71028e72a32c1252c2f49f7af9d3a7d4e6e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182c11661efd8b1bbe9c88761dd71028e72a32c1252c2f49f7af9d3a7d4e6e9d", kill_on_drop: false }`
[INFO] [stdout] 182c11661efd8b1bbe9c88761dd71028e72a32c1252c2f49f7af9d3a7d4e6e9d