[INFO] fetching crate filter_cigars 0.0.1...
[INFO] checking filter_cigars-0.0.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate filter_cigars 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate filter_cigars 0.0.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filter_cigars 0.0.1
[INFO] finished tweaking crates.io crate filter_cigars 0.0.1
[INFO] tweaked toml for crates.io crate filter_cigars 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate filter_cigars 0.0.1 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded bio v0.31.0
[INFO] [stderr]   Downloaded hts-sys v1.10.3
[INFO] [stderr]   Downloaded curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]   Downloaded multimap v0.6.0
[INFO] [stderr]   Downloaded rust-htslib v0.31.0
[INFO] [stderr]   Downloaded csv v1.1.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19175cbaa118f353076e51ea71f2042123114de7fd5b0596494df7c2097cad2
[INFO] running `Command { std: "docker" "start" "-a" "c19175cbaa118f353076e51ea71f2042123114de7fd5b0596494df7c2097cad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19175cbaa118f353076e51ea71f2042123114de7fd5b0596494df7c2097cad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19175cbaa118f353076e51ea71f2042123114de7fd5b0596494df7c2097cad2", kill_on_drop: false }`
[INFO] [stdout] c19175cbaa118f353076e51ea71f2042123114de7fd5b0596494df7c2097cad2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfeb4cb8e040dea08e7b0212fd3f50892e17a164013c8784d06a4dc311524b8e
[INFO] running `Command { std: "docker" "start" "-a" "bfeb4cb8e040dea08e7b0212fd3f50892e17a164013c8784d06a4dc311524b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling bio v0.31.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 heck v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[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" "bfeb4cb8e040dea08e7b0212fd3f50892e17a164013c8784d06a4dc311524b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfeb4cb8e040dea08e7b0212fd3f50892e17a164013c8784d06a4dc311524b8e", kill_on_drop: false }`
[INFO] [stdout] bfeb4cb8e040dea08e7b0212fd3f50892e17a164013c8784d06a4dc311524b8e
