[INFO] fetching crate audeye 0.2.0...
[INFO] checking audeye-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate audeye 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate audeye 0.2.0 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] started tweaking crates.io crate audeye 0.2.0
[INFO] finished tweaking crates.io crate audeye 0.2.0
[INFO] tweaked toml for crates.io crate audeye 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate audeye 0.2.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded sndfile-sys v0.2.2
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded metaflac v0.2.5
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.6
[INFO] [stderr]   Downloaded assert_cmd v2.0.6
[INFO] [stderr]   Downloaded id3 v1.4.0
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded bstr v1.0.1
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded mp4ameta v0.11.0
[INFO] [stderr]   Downloaded colorgrad v0.6.2
[INFO] [stderr]   Downloaded fast_image_resize v0.7.0
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded audiotags-dev-macro v0.1.4
[INFO] [stderr]   Downloaded mp4ameta_proc v0.6.0
[INFO] [stderr]   Downloaded readme-rustdocifier v0.1.1
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded csscolorparser v0.6.2
[INFO] [stderr]   Downloaded predicates v2.1.2
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] [stderr]   Downloaded sndfile v0.1.1
[INFO] [stderr]   Downloaded realfft v3.0.2
[INFO] [stderr]   Downloaded apodize v1.0.0
[INFO] [stderr]   Downloaded predicates-core v1.0.4
[INFO] [stderr]   Downloaded audiotags v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 55d1e878122f11ec2f658de65df512bb32b87e39f66fe623189f6f9748cf8300
[INFO] running `Command { std: "docker" "start" "-a" "55d1e878122f11ec2f658de65df512bb32b87e39f66fe623189f6f9748cf8300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d1e878122f11ec2f658de65df512bb32b87e39f66fe623189f6f9748cf8300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d1e878122f11ec2f658de65df512bb32b87e39f66fe623189f6f9748cf8300", kill_on_drop: false }`
[INFO] [stdout] 55d1e878122f11ec2f658de65df512bb32b87e39f66fe623189f6f9748cf8300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f317898daa23ed5d77692d2edc8a4fcd748987052e2c7dec15ca69c43080fa19
[INFO] running `Command { std: "docker" "start" "-a" "f317898daa23ed5d77692d2edc8a4fcd748987052e2c7dec15ca69c43080fa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling mp4ameta_proc v0.6.0
[INFO] [stderr]     Checking predicates-core v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 regex-syntax v0.6.28
[INFO] [stderr]    Compiling argh_shared v0.1.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[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" "f317898daa23ed5d77692d2edc8a4fcd748987052e2c7dec15ca69c43080fa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f317898daa23ed5d77692d2edc8a4fcd748987052e2c7dec15ca69c43080fa19", kill_on_drop: false }`
[INFO] [stdout] f317898daa23ed5d77692d2edc8a4fcd748987052e2c7dec15ca69c43080fa19
