[INFO] cloning repository https://github.com/LapisSea/Rexplorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LapisSea/Rexplorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapisSea%2FRexplorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapisSea%2FRexplorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9c8eb01b2ba534cd7040e63a931cbd4a94e39a7
[INFO] building LapisSea/Rexplorer against master#d59f06fc64844ec2073e5e888f7470989ef25ff9 for pr-119440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapisSea%2FRexplorer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LapisSea/Rexplorer on toolchain d59f06fc64844ec2073e5e888f7470989ef25ff9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] finished tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] tweaked toml for git repo https://github.com/LapisSea/Rexplorer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LapisSea/Rexplorer 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" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building LapisSea/Rexplorer against try#fe8f664b41f030f307cfeb6cb8c3a1419292aeed for pr-119440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapisSea%2FRexplorer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LapisSea/Rexplorer on toolchain fe8f664b41f030f307cfeb6cb8c3a1419292aeed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] finished tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] tweaked toml for git repo https://github.com/LapisSea/Rexplorer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LapisSea/Rexplorer 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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building LapisSea/Rexplorer against try#fe8f664b41f030f307cfeb6cb8c3a1419292aeed for pr-119440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapisSea%2FRexplorer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LapisSea/Rexplorer on toolchain fe8f664b41f030f307cfeb6cb8c3a1419292aeed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] finished tweaking git repo https://github.com/LapisSea/Rexplorer
[INFO] tweaked toml for git repo https://github.com/LapisSea/Rexplorer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LapisSea/Rexplorer 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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "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 cpp_common v0.5.8
[INFO] [stderr]   Downloaded rowan v0.15.11
[INFO] [stderr]   Downloaded kurbo v0.9.2
[INFO] [stderr]   Downloaded cpp_macros v0.5.8
[INFO] [stderr]   Downloaded codemap-diagnostic v0.1.1
[INFO] [stderr]   Downloaded cpp v0.5.8
[INFO] [stderr]   Downloaded vtable v0.1.10
[INFO] [stderr]   Downloaded derive_utils v0.12.0
[INFO] [stderr]   Downloaded rosvgtree v0.2.0
[INFO] [stderr]   Downloaded auto_enums v0.8.0
[INFO] [stderr]   Downloaded resvg v0.30.0
[INFO] [stderr]   Downloaded slint v1.0.0
[INFO] [stderr]   Downloaded i-slint-core v1.0.0
[INFO] [stderr]   Downloaded skia-bindings v0.60.0
[INFO] [stderr]   Downloaded include-flate v0.1.4
[INFO] [stderr]   Downloaded femtovg v0.6.0
[INFO] [stderr]   Downloaded skia-safe v0.60.0
[INFO] [stderr]   Downloaded rust-embed v6.6.1
[INFO] [stderr]   Downloaded usvg-tree v0.30.0
[INFO] [stderr]   Downloaded libflate v1.3.0
[INFO] [stderr]   Downloaded usvg v0.30.0
[INFO] [stderr]   Downloaded open v4.0.1
[INFO] [stderr]   Downloaded fontdb v0.12.0
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.2
[INFO] [stderr]   Downloaded usvg-parser v0.30.0
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded cpp_build v0.5.8
[INFO] [stderr]   Downloaded qttypes v0.2.8
[INFO] [stderr]   Downloaded fontdb v0.13.0
[INFO] [stderr]   Downloaded i-slint-core-macros v1.0.0
[INFO] [stderr]   Downloaded i-slint-common v1.0.0
[INFO] [stderr]   Downloaded i-slint-backend-winit v1.0.0
[INFO] [stderr]   Downloaded i-slint-renderer-skia v1.0.0
[INFO] [stderr]   Downloaded slint-macros v1.0.0
[INFO] [stderr]   Downloaded i-slint-backend-selector v1.0.0
[INFO] [stderr]   Downloaded slint-build v1.0.0
[INFO] [stderr]   Downloaded i-slint-backend-qt v1.0.0
[INFO] [stderr]   Downloaded i-slint-compiler v1.0.0
[INFO] [stderr]   Downloaded i-slint-renderer-femtovg v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73b98fae684cd0693edc69f7ad64a564d4e2afc20c74a8aaa637b64f9044b4c9
[INFO] running `Command { std: "docker" "start" "-a" "73b98fae684cd0693edc69f7ad64a564d4e2afc20c74a8aaa637b64f9044b4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b98fae684cd0693edc69f7ad64a564d4e2afc20c74a8aaa637b64f9044b4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b98fae684cd0693edc69f7ad64a564d4e2afc20c74a8aaa637b64f9044b4c9", kill_on_drop: false }`
[INFO] [stdout] 73b98fae684cd0693edc69f7ad64a564d4e2afc20c74a8aaa637b64f9044b4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 989bf2d843a93cf2abd623347530c98e5193a7c92a6b40b5a433b5cc0fb245ea
[INFO] running `Command { std: "docker" "start" "-a" "989bf2d843a93cf2abd623347530c98e5193a7c92a6b40b5a433b5cc0fb245ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling atomic-polyfill v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling strict-num v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling xmlparser v0.13.5
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling kurbo v0.9.2
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "989bf2d843a93cf2abd623347530c98e5193a7c92a6b40b5a433b5cc0fb245ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989bf2d843a93cf2abd623347530c98e5193a7c92a6b40b5a433b5cc0fb245ea", kill_on_drop: false }`
[INFO] [stdout] 989bf2d843a93cf2abd623347530c98e5193a7c92a6b40b5a433b5cc0fb245ea