[INFO] fetching crate adhoc_audio 0.1.4...
[INFO] checking adhoc_audio-0.1.4 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate adhoc_audio 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate adhoc_audio 0.1.4 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 adhoc_audio 0.1.4
[INFO] finished tweaking crates.io crate adhoc_audio 0.1.4
[INFO] tweaked toml for crates.io crate adhoc_audio 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate adhoc_audio 0.1.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded serde v1.0.145
[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] 12c5735ca1a2ed0367ae9783b8fb1cbdb919ae476eb5cdba4d92f924ac4167ce
[INFO] running `Command { std: "docker" "start" "-a" "12c5735ca1a2ed0367ae9783b8fb1cbdb919ae476eb5cdba4d92f924ac4167ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c5735ca1a2ed0367ae9783b8fb1cbdb919ae476eb5cdba4d92f924ac4167ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c5735ca1a2ed0367ae9783b8fb1cbdb919ae476eb5cdba4d92f924ac4167ce", kill_on_drop: false }`
[INFO] [stdout] 12c5735ca1a2ed0367ae9783b8fb1cbdb919ae476eb5cdba4d92f924ac4167ce
[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] 2f7a36c47fa282bae522a31c97f04cf2a6273509fba47e0fcbc8da8965004a8a
[INFO] running `Command { std: "docker" "start" "-a" "2f7a36c47fa282bae522a31c97f04cf2a6273509fba47e0fcbc8da8965004a8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon v1.5.3
[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 crossbeam-deque v0.8.2
[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" "2f7a36c47fa282bae522a31c97f04cf2a6273509fba47e0fcbc8da8965004a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7a36c47fa282bae522a31c97f04cf2a6273509fba47e0fcbc8da8965004a8a", kill_on_drop: false }`
[INFO] [stdout] 2f7a36c47fa282bae522a31c97f04cf2a6273509fba47e0fcbc8da8965004a8a
