[INFO] fetching crate mum-cli 0.5.1...
[INFO] checking mum-cli-0.5.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate mum-cli 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mum-cli 0.5.1
[INFO] finished tweaking crates.io crate mum-cli 0.5.1
[INFO] tweaked toml for crates.io crate mum-cli 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mum-cli 0.5.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mum-cli 0.5.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gobject-sys v0.5.0
[INFO] [stderr]   Downloaded opus v0.3.0
[INFO] [stderr]   Downloaded mumble-protocol v0.4.1
[INFO] [stderr]   Downloaded libnotify-sys v1.0.2
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.5.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.3.0
[INFO] [stderr]   Downloaded gio-sys v0.5.0
[INFO] [stderr]   Downloaded clap_complete v4.0.2
[INFO] [stderr]   Downloaded glib-sys v0.5.0
[INFO] [stderr]   Downloaded mumlib v0.5.1
[INFO] [stderr]   Downloaded cpal v0.14.0
[INFO] [stderr]   Downloaded libnotify v1.0.3
[INFO] [stderr]   Downloaded glib v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd97a4c7667439d9b0e232fbb76b8566c47c697c304cc56b1d2627c719a2af77
[INFO] running `Command { std: "docker" "start" "-a" "cd97a4c7667439d9b0e232fbb76b8566c47c697c304cc56b1d2627c719a2af77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd97a4c7667439d9b0e232fbb76b8566c47c697c304cc56b1d2627c719a2af77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd97a4c7667439d9b0e232fbb76b8566c47c697c304cc56b1d2627c719a2af77", kill_on_drop: false }`
[INFO] [stdout] cd97a4c7667439d9b0e232fbb76b8566c47c697c304cc56b1d2627c719a2af77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55df6bf118fdd035bf960a9801f5ec43cf20f02f0369077fde1852e96f5b5bae
[INFO] running `Command { std: "docker" "start" "-a" "55df6bf118fdd035bf960a9801f5ec43cf20f02f0369077fde1852e96f5b5bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "55df6bf118fdd035bf960a9801f5ec43cf20f02f0369077fde1852e96f5b5bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55df6bf118fdd035bf960a9801f5ec43cf20f02f0369077fde1852e96f5b5bae", kill_on_drop: false }`
[INFO] [stdout] 55df6bf118fdd035bf960a9801f5ec43cf20f02f0369077fde1852e96f5b5bae