[INFO] cloning repository https://github.com/timvisee/prs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timvisee/prs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa90e5f196481f5a6c09c80e9db697e77f952a0d
[INFO] checking timvisee/prs against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fprs" "/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/timvisee/prs on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timvisee/prs
[INFO] finished tweaking git repo https://github.com/timvisee/prs
[INFO] tweaked toml for git repo https://github.com/timvisee/prs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/timvisee/prs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1a0e8937793f9a275e0bb7dae2f8a542295f60cb04638cb01cce2016bd1dd1d
[INFO] running `Command { std: "docker" "start" "-a" "e1a0e8937793f9a275e0bb7dae2f8a542295f60cb04638cb01cce2016bd1dd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a0e8937793f9a275e0bb7dae2f8a542295f60cb04638cb01cce2016bd1dd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a0e8937793f9a275e0bb7dae2f8a542295f60cb04638cb01cce2016bd1dd1d", kill_on_drop: false }`
[INFO] [stdout] e1a0e8937793f9a275e0bb7dae2f8a542295f60cb04638cb01cce2016bd1dd1d
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4916cee739e0ad55216651908df12d8aa21132cc0205563d9153805c739e035a
[INFO] running `Command { std: "docker" "start" "-a" "4916cee739e0ad55216651908df12d8aa21132cc0205563d9153805c739e035a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling prs-lib v0.2.11 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking git-state v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling copypasta-ext v0.3.4
[INFO] [stderr]     Checking beef v0.5.0
[INFO] [stderr]     Checking text_trees v0.1.2
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking vte v0.9.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[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-1.0.71/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="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=ed6bfe7e45b1be4a -C extra-filename=-ed6bfe7e45b1be4a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-23608f24c3a1574e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6d7a5e7a3e5f505c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.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" "4916cee739e0ad55216651908df12d8aa21132cc0205563d9153805c739e035a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4916cee739e0ad55216651908df12d8aa21132cc0205563d9153805c739e035a", kill_on_drop: false }`
[INFO] [stdout] 4916cee739e0ad55216651908df12d8aa21132cc0205563d9153805c739e035a