[INFO] fetching crate hypospray_extensions 0.1.2...
[INFO] testing hypospray_extensions-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate hypospray_extensions 0.1.2 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate hypospray_extensions 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypospray_extensions 0.1.2
[INFO] finished tweaking crates.io crate hypospray_extensions 0.1.2
[INFO] tweaked toml for crates.io crate hypospray_extensions 0.1.2 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aster v0.40.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1443719f37c186a52b3c834fa4d89f145ec455fa7bc55058cb4fdb255ae67889
[INFO] running `Command { std: "docker" "start" "-a" "1443719f37c186a52b3c834fa4d89f145ec455fa7bc55058cb4fdb255ae67889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1443719f37c186a52b3c834fa4d89f145ec455fa7bc55058cb4fdb255ae67889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1443719f37c186a52b3c834fa4d89f145ec455fa7bc55058cb4fdb255ae67889", kill_on_drop: false }`
[INFO] [stdout] 1443719f37c186a52b3c834fa4d89f145ec455fa7bc55058cb4fdb255ae67889
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba43ccb9eab3c563c2efb87078190dc91fb38b0617f7e39dec80a7a4ecef346d
[INFO] running `Command { std: "docker" "start" "-a" "ba43ccb9eab3c563c2efb87078190dc91fb38b0617f7e39dec80a7a4ecef346d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aster v0.40.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.40.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ba43ccb9eab3c563c2efb87078190dc91fb38b0617f7e39dec80a7a4ecef346d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba43ccb9eab3c563c2efb87078190dc91fb38b0617f7e39dec80a7a4ecef346d", kill_on_drop: false }`
[INFO] [stdout] ba43ccb9eab3c563c2efb87078190dc91fb38b0617f7e39dec80a7a4ecef346d
