[INFO] fetching crate cargo-devcade 0.8.0...
[INFO] testing cargo-devcade-0.8.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cargo-devcade 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cargo-devcade 0.8.0
[INFO] finished tweaking crates.io crate cargo-devcade 0.8.0
[INFO] tweaked toml for crates.io crate cargo-devcade 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-devcade 0.8.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-devcade 0.8.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded paste v1.0.12
[INFO] [stderr]   Downloaded cargo_metadata v0.15.3
[INFO] [stderr]   Downloaded zune-inflate v0.2.51
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded wide v0.7.8
[INFO] [stderr]   Downloaded rayon-core v1.11.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.15.2
[INFO] [stderr]   Downloaded unicode-bidi v0.3.12
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded webbrowser v0.8.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded quote v1.0.25
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded raw-window-handle v0.5.1
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded imageproc v0.23.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ede7e64d73c7e3501d4f6562540fe753586dea96e2caef90a03337b4574033
[INFO] running `Command { std: "docker" "start" "-a" "c9ede7e64d73c7e3501d4f6562540fe753586dea96e2caef90a03337b4574033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ede7e64d73c7e3501d4f6562540fe753586dea96e2caef90a03337b4574033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ede7e64d73c7e3501d4f6562540fe753586dea96e2caef90a03337b4574033", kill_on_drop: false }`
[INFO] [stdout] c9ede7e64d73c7e3501d4f6562540fe753586dea96e2caef90a03337b4574033
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc4eb680cd9f0b76344057ea5463ef2f1a2981f5ec22b62e123f0e8a5857d92f
[INFO] running `Command { std: "docker" "start" "-a" "cc4eb680cd9f0b76344057ea5463ef2f1a2981f5ec22b62e123f0e8a5857d92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 num-integer v0.1.45
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon-core v1.11.0
[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" "cc4eb680cd9f0b76344057ea5463ef2f1a2981f5ec22b62e123f0e8a5857d92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4eb680cd9f0b76344057ea5463ef2f1a2981f5ec22b62e123f0e8a5857d92f", kill_on_drop: false }`
[INFO] [stdout] cc4eb680cd9f0b76344057ea5463ef2f1a2981f5ec22b62e123f0e8a5857d92f