[INFO] fetching crate volsa2-cli 0.1.0...
[INFO] building volsa2-cli-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate volsa2-cli 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate volsa2-cli 0.1.0
[INFO] finished tweaking crates.io crate volsa2-cli 0.1.0
[INFO] tweaked toml for crates.io crate volsa2-cli 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate volsa2-cli 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate volsa2-cli 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded realfft v3.2.0
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded is-terminal v0.4.3
[INFO] [stderr]   Downloaded bytemuck_derive v1.4.0
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded rubato v0.12.0
[INFO] [stderr]   Downloaded derive_utils v0.12.0
[INFO] [stderr]   Downloaded bytemuck v1.13.0
[INFO] [stderr]   Downloaded alsa v0.7.0
[INFO] [stderr]   Downloaded auto_enums v0.8.0
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded clap v4.1.6
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded rustix v0.36.8
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b551f10925c49943bfa57fa8f6c5ce2ea57be9497ee0a78d73b106b345ef90ea
[INFO] running `Command { std: "docker" "start" "-a" "b551f10925c49943bfa57fa8f6c5ce2ea57be9497ee0a78d73b106b345ef90ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b551f10925c49943bfa57fa8f6c5ce2ea57be9497ee0a78d73b106b345ef90ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b551f10925c49943bfa57fa8f6c5ce2ea57be9497ee0a78d73b106b345ef90ea", kill_on_drop: false }`
[INFO] [stdout] b551f10925c49943bfa57fa8f6c5ce2ea57be9497ee0a78d73b106b345ef90ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc85fbcb399c81d8e38baa6f2908c3d6e24d84ba3b2f9a8670296dcb79bdf093
[INFO] running `Command { std: "docker" "start" "-a" "dc85fbcb399c81d8e38baa6f2908c3d6e24d84ba3b2f9a8670296dcb79bdf093", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling auto_enums v0.8.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling clap_lex v0.3.1
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc85fbcb399c81d8e38baa6f2908c3d6e24d84ba3b2f9a8670296dcb79bdf093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc85fbcb399c81d8e38baa6f2908c3d6e24d84ba3b2f9a8670296dcb79bdf093", kill_on_drop: false }`
[INFO] [stdout] dc85fbcb399c81d8e38baa6f2908c3d6e24d84ba3b2f9a8670296dcb79bdf093