[INFO] cloning repository https://github.com/M0ntaisa/snake-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M0ntaisa/snake-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0ntaisa%2Fsnake-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0ntaisa%2Fsnake-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b2cdec121bcb29e2be9a1c15ea7cd4b3c520569
[INFO] checking M0ntaisa/snake-rs against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0ntaisa%2Fsnake-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M0ntaisa/snake-rs on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M0ntaisa/snake-rs
[INFO] finished tweaking git repo https://github.com/M0ntaisa/snake-rs
[INFO] tweaked toml for git repo https://github.com/M0ntaisa/snake-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/M0ntaisa/snake-rs 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" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "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 piston_window v0.127.0
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a5d03a070ac070418a7ac0fdb840ee891b55ab6d6397670bfc3ceeff14174f6
[INFO] running `Command { std: "docker" "start" "-a" "2a5d03a070ac070418a7ac0fdb840ee891b55ab6d6397670bfc3ceeff14174f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5d03a070ac070418a7ac0fdb840ee891b55ab6d6397670bfc3ceeff14174f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5d03a070ac070418a7ac0fdb840ee891b55ab6d6397670bfc3ceeff14174f6", kill_on_drop: false }`
[INFO] [stdout] 2a5d03a070ac070418a7ac0fdb840ee891b55ab6d6397670bfc3ceeff14174f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949add8006ed04a8b23306dabf5c16e958e8f70439c3f3c5378c2b6dec285120
[INFO] running `Command { std: "docker" "start" "-a" "949add8006ed04a8b23306dabf5c16e958e8f70439c3f3c5378c2b6dec285120", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 dlib v0.4.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking bit_field v0.10.1
[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" "949add8006ed04a8b23306dabf5c16e958e8f70439c3f3c5378c2b6dec285120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949add8006ed04a8b23306dabf5c16e958e8f70439c3f3c5378c2b6dec285120", kill_on_drop: false }`
[INFO] [stdout] 949add8006ed04a8b23306dabf5c16e958e8f70439c3f3c5378c2b6dec285120