[INFO] fetching crate glpipewait 0.1.0...
[INFO] checking glpipewait-0.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate glpipewait 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate glpipewait 0.1.0 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 glpipewait 0.1.0
[INFO] finished tweaking crates.io crate glpipewait 0.1.0
[INFO] tweaked toml for crates.io crate glpipewait 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate glpipewait 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded surf v2.3.2
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded http-client v6.5.3
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded curl-sys v0.4.58+curl-7.86.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e14be59bda93855f332a94411e0033e1a97794c55051aafde066f98dd7231694
[INFO] running `Command { std: "docker" "start" "-a" "e14be59bda93855f332a94411e0033e1a97794c55051aafde066f98dd7231694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e14be59bda93855f332a94411e0033e1a97794c55051aafde066f98dd7231694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14be59bda93855f332a94411e0033e1a97794c55051aafde066f98dd7231694", kill_on_drop: false }`
[INFO] [stdout] e14be59bda93855f332a94411e0033e1a97794c55051aafde066f98dd7231694
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbddaf34a960e9400ae7211b8f30a4a144bbe00f2fa5d1e488d6026d5c6adb6
[INFO] running `Command { std: "docker" "start" "-a" "6bbddaf34a960e9400ae7211b8f30a4a144bbe00f2fa5d1e488d6026d5c6adb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling polling v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[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 futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling async-io v1.10.0
[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" "6bbddaf34a960e9400ae7211b8f30a4a144bbe00f2fa5d1e488d6026d5c6adb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbddaf34a960e9400ae7211b8f30a4a144bbe00f2fa5d1e488d6026d5c6adb6", kill_on_drop: false }`
[INFO] [stdout] 6bbddaf34a960e9400ae7211b8f30a4a144bbe00f2fa5d1e488d6026d5c6adb6
