[INFO] cloning repository https://github.com/ArekPiekarz/rusty-tax-break
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArekPiekarz/rusty-tax-break" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekPiekarz%2Frusty-tax-break", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekPiekarz%2Frusty-tax-break'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42e9f8aacf086c8759331b00e71882b1744b933e
[INFO] checking ArekPiekarz/rusty-tax-break against try#ef8c760c4c3d93b561a5b431502e92f4b4773aca for pr-92472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekPiekarz%2Frusty-tax-break" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArekPiekarz/rusty-tax-break on toolchain ef8c760c4c3d93b561a5b431502e92f4b4773aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArekPiekarz/rusty-tax-break
[INFO] finished tweaking git repo https://github.com/ArekPiekarz/rusty-tax-break
[INFO] tweaked toml for git repo https://github.com/ArekPiekarz/rusty-tax-break written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ArekPiekarz/rusty-tax-break already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "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 gtk-sys v0.14.0
[INFO] [stderr]   Downloaded atk v0.14.0
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded matches v0.1.9
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded atk-sys v0.14.0
[INFO] [stderr]   Downloaded form_urlencoded v1.0.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded vcpkg v0.2.15
[INFO] [stderr]   Downloaded jobserver v0.1.24
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded url v2.2.2
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded sanitize-filename v0.3.0
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded idna v0.2.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded gtk3-macros v0.14.0
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded gtk-test v0.14.0
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded gtk v0.14.3
[INFO] [stderr]   Downloaded to_trait v0.1.1
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded tinyvec v1.5.1
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded crc32fast v1.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded unicode-normalization v0.1.19
[INFO] [stderr]   Downloaded unicode-bidi v0.3.7
[INFO] [stderr]   Downloaded enigo v0.0.14
[INFO] [stderr]   Downloaded gdk v0.14.3
[INFO] [stderr]   Downloaded gdk-sys v0.14.0
[INFO] [stderr]   Downloaded core-graphics v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13b33b97857b897b859f63cd37b696fcbc7b67cdbaac8409815de6afc9392240
[INFO] running `Command { std: "docker" "start" "-a" "13b33b97857b897b859f63cd37b696fcbc7b67cdbaac8409815de6afc9392240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b33b97857b897b859f63cd37b696fcbc7b67cdbaac8409815de6afc9392240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b33b97857b897b859f63cd37b696fcbc7b67cdbaac8409815de6afc9392240", kill_on_drop: false }`
[INFO] [stdout] 13b33b97857b897b859f63cd37b696fcbc7b67cdbaac8409815de6afc9392240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c2e809b88452c025d7c5271602feac5ecf861570a43c12798f020977b60fc6
[INFO] running `Command { std: "docker" "start" "-a" "e5c2e809b88452c025d7c5271602feac5ecf861570a43c12798f020977b60fc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling gio v0.14.8
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking to_trait v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling gtk v0.14.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling enigo v0.0.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.34/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=cec411b88c3c5668 -C extra-filename=-cec411b88c3c5668 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid --cfg use_proc_macro --cfg wrap_proc_macro --cfg proc_macro_span` (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" "e5c2e809b88452c025d7c5271602feac5ecf861570a43c12798f020977b60fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c2e809b88452c025d7c5271602feac5ecf861570a43c12798f020977b60fc6", kill_on_drop: false }`
[INFO] [stdout] e5c2e809b88452c025d7c5271602feac5ecf861570a43c12798f020977b60fc6