[INFO] cloning repository https://github.com/barp/bswitcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barp/bswitcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2d1177a92a850f5add9f687cb520a4e4bbdd6b
[INFO] checking barp/bswitcher against master#bb89df6903539e7014b8db29bccd6a9ee9553122 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barp/bswitcher on toolchain bb89df6903539e7014b8db29bccd6a9ee9553122
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/barp/bswitcher
[INFO] finished tweaking git repo https://github.com/barp/bswitcher
[INFO] tweaked toml for git repo https://github.com/barp/bswitcher written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/barp/bswitcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded blocking v1.4.1
[INFO] [stderr]   Downloaded x11-clipboard v0.5.3
[INFO] [stderr]   Downloaded async-executor v1.6.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.95
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] [stderr]   Downloaded openssl v0.10.59
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded async-native-tls v0.4.0
[INFO] [stderr]   Downloaded des v0.8.1
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded xcb v0.10.1
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded serde v1.0.190
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded async-io v2.1.0
[INFO] [stderr]   Downloaded async-io v0.1.11
[INFO] [stderr]   Downloaded serde_derive v1.0.190
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded event-listener v3.0.1
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded pyo3-asyncio v0.19.0
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded aes v0.8.3
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded async-signal v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.38
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded async-task v4.5.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded piper v0.2.1
[INFO] [stderr]   Downloaded atomic-waker v1.1.2
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded async-net v0.1.2
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded cli-clipboard v0.2.1
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded openssl-src v300.1.6+3.1.4
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.19.0
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded polling v3.3.0
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.4.1
[INFO] [stderr]   Downloaded bzip2 v0.4.4
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded cbc v0.1.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f09760450a1031072cdb1e0164170b0a9d7ec777d91f6b946c635bafbd5a7cd
[INFO] running `Command { std: "docker" "start" "-a" "0f09760450a1031072cdb1e0164170b0a9d7ec777d91f6b946c635bafbd5a7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f09760450a1031072cdb1e0164170b0a9d7ec777d91f6b946c635bafbd5a7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f09760450a1031072cdb1e0164170b0a9d7ec777d91f6b946c635bafbd5a7cd", kill_on_drop: false }`
[INFO] [stdout] 0f09760450a1031072cdb1e0164170b0a9d7ec777d91f6b946c635bafbd5a7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89adae9c8f93cb24e33ab98b15c4dc83014c7b312002154b8babf22911d91b51
[INFO] running `Command { std: "docker" "start" "-a" "89adae9c8f93cb24e33ab98b15c4dc83014c7b312002154b8babf22911d91b51", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling openssl-src v300.1.6+3.1.4
[INFO] [stderr]     Checking httparse v1.8.0
[INFO] [stderr]     Checking event-listener v3.0.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking async-net v0.1.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/bb89df6903539e7014b8db29bccd6a9ee9553122/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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 --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=53af827ca4a76bc5 -C extra-filename=-53af827ca4a76bc5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8f9eaa8821be0e99.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d108c9f5106570d3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89adae9c8f93cb24e33ab98b15c4dc83014c7b312002154b8babf22911d91b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89adae9c8f93cb24e33ab98b15c4dc83014c7b312002154b8babf22911d91b51", kill_on_drop: false }`
[INFO] [stdout] 89adae9c8f93cb24e33ab98b15c4dc83014c7b312002154b8babf22911d91b51