[INFO] cloning repository https://github.com/Danilka108/queueing_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Danilka108/queueing_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanilka108%2Fqueueing_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanilka108%2Fqueueing_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7d40a0ba1598df53dc737f466f6dad0bedeeb7
[INFO] checking Danilka108/queueing_system against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanilka108%2Fqueueing_system" "/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/Danilka108/queueing_system
[INFO] finished tweaking git repo https://github.com/Danilka108/queueing_system
[INFO] tweaked toml for git repo https://github.com/Danilka108/queueing_system written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Danilka108/queueing_system on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Danilka108/queueing_system 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.85
[INFO] [stderr]   Downloaded glutin_egl_sys v0.4.0
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded ab_glyph v0.2.21
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.85
[INFO] [stderr]   Downloaded glutin v0.30.7
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded js-sys v0.3.62
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.85
[INFO] [stderr]   Downloaded ttf-parser v0.19.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.85
[INFO] [stderr]   Downloaded winit v0.28.5
[INFO] [stderr]   Downloaded web-sys v0.3.62
[INFO] [stderr]   Downloaded orbclient v0.3.45
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eded72b7dd3a2e0a682c7d42d8010ddbb0199054ea09779b56a1d39234e9bafa
[INFO] running `Command { std: "docker" "start" "-a" "eded72b7dd3a2e0a682c7d42d8010ddbb0199054ea09779b56a1d39234e9bafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eded72b7dd3a2e0a682c7d42d8010ddbb0199054ea09779b56a1d39234e9bafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eded72b7dd3a2e0a682c7d42d8010ddbb0199054ea09779b56a1d39234e9bafa", kill_on_drop: false }`
[INFO] [stdout] eded72b7dd3a2e0a682c7d42d8010ddbb0199054ea09779b56a1d39234e9bafa
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9a432fed700901bdfc38af40a8838ee0190074aa765185292cb7e4799fcb67
[INFO] running `Command { std: "docker" "start" "-a" "2d9a432fed700901bdfc38af40a8838ee0190074aa765185292cb7e4799fcb67", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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]     Checking ttf-parser v0.19.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d9a432fed700901bdfc38af40a8838ee0190074aa765185292cb7e4799fcb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9a432fed700901bdfc38af40a8838ee0190074aa765185292cb7e4799fcb67", kill_on_drop: false }`
[INFO] [stdout] 2d9a432fed700901bdfc38af40a8838ee0190074aa765185292cb7e4799fcb67
