[INFO] cloning repository https://github.com/JockeM/rrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JockeM/rrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeM%2Frrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeM%2Frrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac80c2b6358bd124f5ba1386030e18c7d4597228
[INFO] checking JockeM/rrt against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJockeM%2Frrt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JockeM/rrt on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JockeM/rrt
[INFO] finished tweaking git repo https://github.com/JockeM/rrt
[INFO] tweaked toml for git repo https://github.com/JockeM/rrt written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JockeM/rrt 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271d5a4a555fd9c6392bb46af81a617a7abd896b5da6018b442fa5f7d970b768
[INFO] running `Command { std: "docker" "start" "-a" "271d5a4a555fd9c6392bb46af81a617a7abd896b5da6018b442fa5f7d970b768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271d5a4a555fd9c6392bb46af81a617a7abd896b5da6018b442fa5f7d970b768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271d5a4a555fd9c6392bb46af81a617a7abd896b5da6018b442fa5f7d970b768", kill_on_drop: false }`
[INFO] [stdout] 271d5a4a555fd9c6392bb46af81a617a7abd896b5da6018b442fa5f7d970b768
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b25087049812bf0b9c51e5d789b7fb20c4e1c97c1da35e4966cdf5c9367a1a
[INFO] running `Command { std: "docker" "start" "-a" "c5b25087049812bf0b9c51e5d789b7fb20c4e1c97c1da35e4966cdf5c9367a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 gif v0.11.4
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stdout] error: aborting due to 1 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" "c5b25087049812bf0b9c51e5d789b7fb20c4e1c97c1da35e4966cdf5c9367a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b25087049812bf0b9c51e5d789b7fb20c4e1c97c1da35e4966cdf5c9367a1a", kill_on_drop: false }`
[INFO] [stdout] c5b25087049812bf0b9c51e5d789b7fb20c4e1c97c1da35e4966cdf5c9367a1a