[INFO] fetching crate headhunter-cli 0.1.0...
[INFO] checking headhunter-cli-0.1.0 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate headhunter-cli 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate headhunter-cli 0.1.0 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 crates.io crate headhunter-cli 0.1.0
[INFO] finished tweaking crates.io crate headhunter-cli 0.1.0
[INFO] tweaked toml for crates.io crate headhunter-cli 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate headhunter-cli 0.1.0 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 serde_repr v0.1.10
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded stringmatch v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded thirtyfour-macros v0.1.1
[INFO] [stderr]   Downloaded headhunter-bindings v0.1.0
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded fantoccini v0.20.0-rc.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded webdriver v0.46.0
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded thirtyfour v0.32.0-rc.6
[INFO] [stderr]   Downloaded gimli v0.27.1
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e34880cc2684c31d520a666aa5555e5447dd6f3d99c66971d55a5af811eb2bc0
[INFO] running `Command { std: "docker" "start" "-a" "e34880cc2684c31d520a666aa5555e5447dd6f3d99c66971d55a5af811eb2bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34880cc2684c31d520a666aa5555e5447dd6f3d99c66971d55a5af811eb2bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34880cc2684c31d520a666aa5555e5447dd6f3d99c66971d55a5af811eb2bc0", kill_on_drop: false }`
[INFO] [stdout] e34880cc2684c31d520a666aa5555e5447dd6f3d99c66971d55a5af811eb2bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b886ebd58772a79a0603576cf80dcd4718f1ab8af7db68c9534fb7a31955b837
[INFO] running `Command { std: "docker" "start" "-a" "b886ebd58772a79a0603576cf80dcd4718f1ab8af7db68c9534fb7a31955b837", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking indexmap v1.9.2
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 thread_local v1.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.27.1
[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" "b886ebd58772a79a0603576cf80dcd4718f1ab8af7db68c9534fb7a31955b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b886ebd58772a79a0603576cf80dcd4718f1ab8af7db68c9534fb7a31955b837", kill_on_drop: false }`
[INFO] [stdout] b886ebd58772a79a0603576cf80dcd4718f1ab8af7db68c9534fb7a31955b837
