[INFO] cloning repository https://github.com/Tom1380/Snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tom1380/Snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTom1380%2FSnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTom1380%2FSnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2611f0ef8df0d6dc880686ce27a39bcf6b659f07
[INFO] checking Tom1380/Snake against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTom1380%2FSnake" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tom1380/Snake on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tom1380/Snake
[INFO] finished tweaking git repo https://github.com/Tom1380/Snake
[INFO] tweaked toml for git repo https://github.com/Tom1380/Snake written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tom1380/Snake 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded try-lock v0.2.2
[INFO] [stderr]   Downloaded vcpkg v0.2.8
[INFO] [stderr]   Downloaded getch v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded openssl-probe v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.11
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 279660b004dc53c7b3b38ba9d99e3cb3f8f71b0eae5654e0cd26ff2240c3a62a
[INFO] running `Command { std: "docker" "start" "-a" "279660b004dc53c7b3b38ba9d99e3cb3f8f71b0eae5654e0cd26ff2240c3a62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279660b004dc53c7b3b38ba9d99e3cb3f8f71b0eae5654e0cd26ff2240c3a62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279660b004dc53c7b3b38ba9d99e3cb3f8f71b0eae5654e0cd26ff2240c3a62a", kill_on_drop: false }`
[INFO] [stdout] 279660b004dc53c7b3b38ba9d99e3cb3f8f71b0eae5654e0cd26ff2240c3a62a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73d91620cef778985f66616499883fa2bf69917d788d14265c84f62d180ce259
[INFO] running `Command { std: "docker" "start" "-a" "73d91620cef778985f66616499883fa2bf69917d788d14265c84f62d180ce259", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stdout] error: aborting due to 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" "73d91620cef778985f66616499883fa2bf69917d788d14265c84f62d180ce259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d91620cef778985f66616499883fa2bf69917d788d14265c84f62d180ce259", kill_on_drop: false }`
[INFO] [stdout] 73d91620cef778985f66616499883fa2bf69917d788d14265c84f62d180ce259