[INFO] fetching crate tmuntaner-keyring 0.1.0-alpha.15...
[INFO] building tmuntaner-keyring-0.1.0-alpha.15 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tmuntaner-keyring 0.1.0-alpha.15 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tmuntaner-keyring 0.1.0-alpha.15
[INFO] finished tweaking crates.io crate tmuntaner-keyring 0.1.0-alpha.15
[INFO] tweaked toml for crates.io crate tmuntaner-keyring 0.1.0-alpha.15 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tmuntaner-keyring 0.1.0-alpha.15 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 tmuntaner-keyring 0.1.0-alpha.15 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]  Downloading crates ...
[INFO] [stderr]   Downloaded block-padding v0.3.2
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded cache-padded v1.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded openssl-sys v0.9.74
[INFO] [stderr]   Downloaded widestring v1.0.0
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] [stderr]   Downloaded async-io v1.7.0
[INFO] [stderr]   Downloaded hkdf v0.12.3
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded openssl v0.10.40
[INFO] [stderr]   Downloaded polling v2.2.0
[INFO] [stderr]   Downloaded async-trait v0.1.58
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded ordered-stream v0.1.1
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded zbus v3.5.0
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded zvariant_derive v3.8.0
[INFO] [stderr]   Downloaded serde_repr v0.1.9
[INFO] [stderr]   Downloaded zbus_macros v3.5.0
[INFO] [stderr]   Downloaded zbus_names v2.3.0
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] [stderr]   Downloaded zvariant v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1a2e5f87f9f6ebed79c66bfae8a72d13a5dcc5253d783e8f5ddef10845b119ba
[INFO] running `Command { std: "docker" "start" "-a" "1a2e5f87f9f6ebed79c66bfae8a72d13a5dcc5253d783e8f5ddef10845b119ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2e5f87f9f6ebed79c66bfae8a72d13a5dcc5253d783e8f5ddef10845b119ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2e5f87f9f6ebed79c66bfae8a72d13a5dcc5253d783e8f5ddef10845b119ba", kill_on_drop: false }`
[INFO] [stdout] 1a2e5f87f9f6ebed79c66bfae8a72d13a5dcc5253d783e8f5ddef10845b119ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8340a07b958d6fe918d80401aae06c752d18d9e434b0ee20e82cbcf641e93b41
[INFO] running `Command { std: "docker" "start" "-a" "8340a07b958d6fe918d80401aae06c752d18d9e434b0ee20e82cbcf641e93b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[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" "8340a07b958d6fe918d80401aae06c752d18d9e434b0ee20e82cbcf641e93b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8340a07b958d6fe918d80401aae06c752d18d9e434b0ee20e82cbcf641e93b41", kill_on_drop: false }`
[INFO] [stdout] 8340a07b958d6fe918d80401aae06c752d18d9e434b0ee20e82cbcf641e93b41