[INFO] fetching crate anchor-attribute-event 0.31.1...
[INFO] checking anchor-attribute-event-0.31.1 against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] extracting crate anchor-attribute-event 0.31.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate anchor-attribute-event 0.31.1
[INFO] finished tweaking crates.io crate anchor-attribute-event 0.31.1
[INFO] tweaked toml for crates.io crate anchor-attribute-event 0.31.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate anchor-attribute-event 0.31.1 on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate anchor-attribute-event 0.31.1 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3aec86be127afbb6f7505d6975563d7781af9b1520fb5f12eb3254b293337b6
[INFO] running `Command { std: "docker" "start" "-a" "b3aec86be127afbb6f7505d6975563d7781af9b1520fb5f12eb3254b293337b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3aec86be127afbb6f7505d6975563d7781af9b1520fb5f12eb3254b293337b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3aec86be127afbb6f7505d6975563d7781af9b1520fb5f12eb3254b293337b6", kill_on_drop: false }`
[INFO] [stdout] b3aec86be127afbb6f7505d6975563d7781af9b1520fb5f12eb3254b293337b6
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f36005e96ceff0216d118db9d53ba88c7bb09878497c712d7cbdb5c2d3edde
[INFO] running `Command { std: "docker" "start" "-a" "47f36005e96ceff0216d118db9d53ba88c7bb09878497c712d7cbdb5c2d3edde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling anyhow v1.0.92
[INFO] [stderr]    Compiling thiserror v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-de67c4b70c205899.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "47f36005e96ceff0216d118db9d53ba88c7bb09878497c712d7cbdb5c2d3edde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f36005e96ceff0216d118db9d53ba88c7bb09878497c712d7cbdb5c2d3edde", kill_on_drop: false }`
[INFO] [stdout] 47f36005e96ceff0216d118db9d53ba88c7bb09878497c712d7cbdb5c2d3edde