[INFO] fetching crate tarsila 0.1.1...
[INFO] building tarsila-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tarsila 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tarsila 0.1.1
[INFO] finished tweaking crates.io crate tarsila 0.1.1
[INFO] tweaked toml for crates.io crate tarsila 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tarsila 0.1.1 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 tarsila 0.1.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e58b597945b9f3a1957fa75d77179936b4676ff82e3d55f0faa13bb76f7f201b
[INFO] running `Command { std: "docker" "start" "-a" "e58b597945b9f3a1957fa75d77179936b4676ff82e3d55f0faa13bb76f7f201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58b597945b9f3a1957fa75d77179936b4676ff82e3d55f0faa13bb76f7f201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58b597945b9f3a1957fa75d77179936b4676ff82e3d55f0faa13bb76f7f201b", kill_on_drop: false }`
[INFO] [stdout] e58b597945b9f3a1957fa75d77179936b4676ff82e3d55f0faa13bb76f7f201b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35a8b4fdfc1df397b7472b6c4a43c1176c24ad812d95d88d0f910a102c6f949
[INFO] running `Command { std: "docker" "start" "-a" "e35a8b4fdfc1df397b7472b6c4a43c1176c24ad812d95d88d0f910a102c6f949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling ttf-parser v0.18.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 simd-adler32 v0.3.4
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling zune-inflate v0.2.50
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[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" "e35a8b4fdfc1df397b7472b6c4a43c1176c24ad812d95d88d0f910a102c6f949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35a8b4fdfc1df397b7472b6c4a43c1176c24ad812d95d88d0f910a102c6f949", kill_on_drop: false }`
[INFO] [stdout] e35a8b4fdfc1df397b7472b6c4a43c1176c24ad812d95d88d0f910a102c6f949