[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] testing barp/bswitcher against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/barp/bswitcher on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "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]   |
[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 target-lexicon v0.12.12
[INFO] [stderr]   Downloaded pyo3-asyncio v0.19.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.19.0
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded async-net v0.1.2
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.4.1
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded des v0.8.1
[INFO] [stderr]   Downloaded polling v3.3.0
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded async-io v0.1.11
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded cli-clipboard v0.2.1
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded async-native-tls v0.4.0
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded async-io v2.1.0
[INFO] [stderr]   Downloaded event-listener v3.0.1
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded openssl-src v300.1.6+3.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95dcca024b966da694c0d32798c271da605b85a90bb20d5222bd59e87cbfbd1a
[INFO] running `Command { std: "docker" "start" "-a" "95dcca024b966da694c0d32798c271da605b85a90bb20d5222bd59e87cbfbd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95dcca024b966da694c0d32798c271da605b85a90bb20d5222bd59e87cbfbd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dcca024b966da694c0d32798c271da605b85a90bb20d5222bd59e87cbfbd1a", kill_on_drop: false }`
[INFO] [stdout] 95dcca024b966da694c0d32798c271da605b85a90bb20d5222bd59e87cbfbd1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eceb39092b6bef7aa702c106f969c06cb54f5df4e019e3c8809ea1c84032c083
[INFO] running `Command { std: "docker" "start" "-a" "eceb39092b6bef7aa702c106f969c06cb54f5df4e019e3c8809ea1c84032c083", 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]   |
[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 futures-io v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling value-bag v1.4.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling async-task v4.5.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling event-listener v3.0.1
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling async-executor v1.6.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling openssl-src v300.1.6+3.1.4
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling blocking v1.4.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[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/d933cf483edf1605142ac6899ff32536c0ad8b22/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=5aaee0a6f2a8b16b -C extra-filename=-35f0d438a01aa71c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4809e20494045cd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-93f906c40d6ffa20.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "eceb39092b6bef7aa702c106f969c06cb54f5df4e019e3c8809ea1c84032c083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eceb39092b6bef7aa702c106f969c06cb54f5df4e019e3c8809ea1c84032c083", kill_on_drop: false }`
[INFO] [stdout] eceb39092b6bef7aa702c106f969c06cb54f5df4e019e3c8809ea1c84032c083