[INFO] cloning repository https://github.com/mkualquiera/scheduler_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkualquiera/scheduler_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkualquiera%2Fscheduler_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkualquiera%2Fscheduler_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7b27f67ca37288754f442385facc234847925ce
[INFO] checking mkualquiera/scheduler_sim against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkualquiera%2Fscheduler_sim" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mkualquiera/scheduler_sim
[INFO] finished tweaking git repo https://github.com/mkualquiera/scheduler_sim
[INFO] tweaked toml for git repo https://github.com/mkualquiera/scheduler_sim written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkualquiera/scheduler_sim on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkualquiera/scheduler_sim 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck_derive v1.3.0
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] [stderr]   Downloaded egui_extras v0.20.0
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded emath v0.20.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.3.1
[INFO] [stderr]   Downloaded ab_glyph v0.2.18
[INFO] [stderr]   Downloaded ecolor v0.20.0
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.3.0
[INFO] [stderr]   Downloaded ndk-glue v0.7.0
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.3
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded glutin v0.30.3
[INFO] [stderr]   Downloaded arboard v3.2.0
[INFO] [stderr]   Downloaded x11-dl v2.20.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.17.1
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded freetype-rs v0.26.0
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded egui v0.20.0
[INFO] [stderr]   Downloaded tiny-skia v0.7.0
[INFO] [stderr]   Downloaded calloop v0.10.4
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded crossfont v0.5.1
[INFO] [stderr]   Downloaded tiny-skia-path v0.7.0
[INFO] [stderr]   Downloaded winit v0.27.5
[INFO] [stderr]   Downloaded eframe v0.20.0
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.1
[INFO] [stderr]   Downloaded webbrowser v0.8.2
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded egui-winit v0.20.0
[INFO] [stderr]   Downloaded egui_glow v0.20.0
[INFO] [stderr]   Downloaded raw-window-handle v0.5.0
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.2
[INFO] [stderr]   Downloaded glutin_glx_sys v0.3.0
[INFO] [stderr]   Downloaded epaint v0.20.0
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.1.0
[INFO] [stderr]   Downloaded accesskit v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a9fcfe8090d9abd355587237cfbb6702cb30965150e1aeac543728695b2fae
[INFO] running `Command { std: "docker" "start" "-a" "a6a9fcfe8090d9abd355587237cfbb6702cb30965150e1aeac543728695b2fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a9fcfe8090d9abd355587237cfbb6702cb30965150e1aeac543728695b2fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a9fcfe8090d9abd355587237cfbb6702cb30965150e1aeac543728695b2fae", kill_on_drop: false }`
[INFO] [stdout] a6a9fcfe8090d9abd355587237cfbb6702cb30965150e1aeac543728695b2fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458d869322ad70ee4c7bb39bf22952bb9c82f03c58272aeb4e07d127b66ec46b
[INFO] running `Command { std: "docker" "start" "-a" "458d869322ad70ee4c7bb39bf22952bb9c82f03c58272aeb4e07d127b66ec46b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 gl_generator v0.14.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[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" "458d869322ad70ee4c7bb39bf22952bb9c82f03c58272aeb4e07d127b66ec46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458d869322ad70ee4c7bb39bf22952bb9c82f03c58272aeb4e07d127b66ec46b", kill_on_drop: false }`
[INFO] [stdout] 458d869322ad70ee4c7bb39bf22952bb9c82f03c58272aeb4e07d127b66ec46b