[INFO] cloning repository https://github.com/dmosc/gptc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmosc/gptc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmosc%2Fgptc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmosc%2Fgptc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a4fed3729073dd3e022da413239d1b0d6b26a39
[INFO] checking dmosc/gptc/7a4fed3729073dd3e022da413239d1b0d6b26a39 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmosc%2Fgptc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmosc/gptc on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmosc/gptc
[INFO] finished tweaking git repo https://github.com/dmosc/gptc
[INFO] tweaked toml for git repo https://github.com/dmosc/gptc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dmosc/gptc 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded task-local-extensions v0.1.3
[INFO] [stderr]   Downloaded cacache v11.0.0
[INFO] [stderr]   Downloaded miette-derive v5.5.0
[INFO] [stderr]   Downloaded http-cache v0.8.0
[INFO] [stderr]   Downloaded http-cache-semantics v1.0.1
[INFO] [stderr]   Downloaded http-cache-reqwest v0.6.0
[INFO] [stderr]   Downloaded ssri v7.0.0
[INFO] [stderr]   Downloaded miette v5.5.0
[INFO] [stderr]   Downloaded reqwest-middleware v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f162da273838eb4c6944375f3beeadb191d128f56c78af1cf870e73f604f8f4
[INFO] running `Command { std: "docker" "start" "-a" "7f162da273838eb4c6944375f3beeadb191d128f56c78af1cf870e73f604f8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f162da273838eb4c6944375f3beeadb191d128f56c78af1cf870e73f604f8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f162da273838eb4c6944375f3beeadb191d128f56c78af1cf870e73f604f8f4", kill_on_drop: false }`
[INFO] [stdout] 7f162da273838eb4c6944375f3beeadb191d128f56c78af1cf870e73f604f8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc06706307aa784b524245b1d1f2bf85879b810d2f0e0e07b32aed643179db9
[INFO] running `Command { std: "docker" "start" "-a" "2cc06706307aa784b524245b1d1f2bf85879b810d2f0e0e07b32aed643179db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 bytes v1.4.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[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" "2cc06706307aa784b524245b1d1f2bf85879b810d2f0e0e07b32aed643179db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc06706307aa784b524245b1d1f2bf85879b810d2f0e0e07b32aed643179db9", kill_on_drop: false }`
[INFO] [stdout] 2cc06706307aa784b524245b1d1f2bf85879b810d2f0e0e07b32aed643179db9