[INFO] fetching crate crabz 0.8.1...
[INFO] checking crabz-0.8.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate crabz 0.8.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate crabz 0.8.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate crabz 0.8.1
[INFO] finished tweaking crates.io crate crabz 0.8.1
[INFO] tweaked toml for crates.io crate crabz 0.8.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate crabz 0.8.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.34
[INFO] [stderr]   Downloaded git-version v0.3.5
[INFO] [stderr]   Downloaded git-version-macro v0.3.5
[INFO] [stderr]   Downloaded core_affinity v0.8.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.12.0
[INFO] [stderr]   Downloaded libdeflater v0.12.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.30
[INFO] [stderr]   Downloaded gzp v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cd50b2bd666b99c13eebff48d201f71213b0fe06148508c3c7f915c4031fd0e
[INFO] running `Command { std: "docker" "start" "-a" "6cd50b2bd666b99c13eebff48d201f71213b0fe06148508c3c7f915c4031fd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd50b2bd666b99c13eebff48d201f71213b0fe06148508c3c7f915c4031fd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd50b2bd666b99c13eebff48d201f71213b0fe06148508c3c7f915c4031fd0e", kill_on_drop: false }`
[INFO] [stdout] 6cd50b2bd666b99c13eebff48d201f71213b0fe06148508c3c7f915c4031fd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9f48659913be0cf520d981812069a0ccd071edee7d0e504718071bfcbbfa1b
[INFO] running `Command { std: "docker" "start" "-a" "8b9f48659913be0cf520d981812069a0ccd071edee7d0e504718071bfcbbfa1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[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 futures-sink v0.3.25
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[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" "8b9f48659913be0cf520d981812069a0ccd071edee7d0e504718071bfcbbfa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9f48659913be0cf520d981812069a0ccd071edee7d0e504718071bfcbbfa1b", kill_on_drop: false }`
[INFO] [stdout] 8b9f48659913be0cf520d981812069a0ccd071edee7d0e504718071bfcbbfa1b
