[INFO] cloning repository https://github.com/Derek52/Rhymix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Derek52/Rhymix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek52%2FRhymix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek52%2FRhymix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbc4ed0373175fc69e614f7ef0052914d2a320bd
[INFO] checking Derek52/Rhymix against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek52%2FRhymix" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Derek52/Rhymix
[INFO] finished tweaking git repo https://github.com/Derek52/Rhymix
[INFO] tweaked toml for git repo https://github.com/Derek52/Rhymix written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Derek52/Rhymix 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/Derek52/Rhymix 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] [stderr]   Downloaded bytestring v1.2.0
[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded local-channel v0.1.3
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded actix-server v2.2.0
[INFO] [stderr]   Downloaded actix-rt v2.8.0
[INFO] [stderr]   Downloaded actix-macros v0.2.3
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded actix-codec v0.5.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded actix-router v0.5.1
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded time v0.3.18
[INFO] [stderr]   Downloaded actix-http v3.3.0
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.4
[INFO] [stderr]   Downloaded actix-web v4.3.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded cmudict-fast v0.8.0
[INFO] [stderr]   Downloaded brotli v3.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 11bcdc444c62eb73a3254bdd8233d66f03bf34c264ab3977ad76841d8f752c24
[INFO] running `Command { std: "docker" "start" "-a" "11bcdc444c62eb73a3254bdd8233d66f03bf34c264ab3977ad76841d8f752c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11bcdc444c62eb73a3254bdd8233d66f03bf34c264ab3977ad76841d8f752c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bcdc444c62eb73a3254bdd8233d66f03bf34c264ab3977ad76841d8f752c24", kill_on_drop: false }`
[INFO] [stdout] 11bcdc444c62eb73a3254bdd8233d66f03bf34c264ab3977ad76841d8f752c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aff10e27f4e76e645bf73f22b4e1cef9319f9e4947c0c468a0f139a4b5313989
[INFO] running `Command { std: "docker" "start" "-a" "aff10e27f4e76e645bf73f22b4e1cef9319f9e4947c0c468a0f139a4b5313989", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 typenum v1.16.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling generic-array v0.14.6
[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" "aff10e27f4e76e645bf73f22b4e1cef9319f9e4947c0c468a0f139a4b5313989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff10e27f4e76e645bf73f22b4e1cef9319f9e4947c0c468a0f139a4b5313989", kill_on_drop: false }`
[INFO] [stdout] aff10e27f4e76e645bf73f22b4e1cef9319f9e4947c0c468a0f139a4b5313989
