[INFO] fetching crate panini_codegen 0.0.0...
[INFO] testing panini_codegen-0.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate panini_codegen 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate panini_codegen 0.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panini_codegen 0.0.0
[INFO] finished tweaking crates.io crate panini_codegen 0.0.0
[INFO] tweaked toml for crates.io crate panini_codegen 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded cfg-regex v0.0.0
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.4.1
[INFO] [stderr]   Downloaded barrel v0.5.8
[INFO] [stderr]   Downloaded refinery v0.1.10
[INFO] [stderr]   Downloaded range-map v0.1.5
[INFO] [stderr]   Downloaded quasi v0.10.0
[INFO] [stderr]   Downloaded refinery-migrations v0.1.0
[INFO] [stderr]   Downloaded quasi_codegen v0.10.0
[INFO] [stderr]   Downloaded refinery-macros v0.1.0
[INFO] [stderr]   Downloaded regex_dfa v0.4.0
[INFO] [stderr]   Downloaded quasi_macros v0.10.0
[INFO] [stderr]   Downloaded aster v0.16.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47bd4ba895349d8f89c89bfb5a8d8cdac705540ee7e4c00a883f87bb255dbde
[INFO] running `Command { std: "docker" "start" "-a" "c47bd4ba895349d8f89c89bfb5a8d8cdac705540ee7e4c00a883f87bb255dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47bd4ba895349d8f89c89bfb5a8d8cdac705540ee7e4c00a883f87bb255dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47bd4ba895349d8f89c89bfb5a8d8cdac705540ee7e4c00a883f87bb255dbde", kill_on_drop: false }`
[INFO] [stdout] c47bd4ba895349d8f89c89bfb5a8d8cdac705540ee7e4c00a883f87bb255dbde
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26be06d128d95e83340458d0bf5636ea079164ddf784bcbf8e7dbf732568611d
[INFO] running `Command { std: "docker" "start" "-a" "26be06d128d95e83340458d0bf5636ea079164ddf784bcbf8e7dbf732568611d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling range-map v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[INFO] [stderr]    Compiling bit-matrix v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.2.6
[INFO] [stderr]    Compiling aster v0.16.0
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aster-0.16.0/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]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aster-0.16.0/src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memmem v0.1.1
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling cfg v0.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "26be06d128d95e83340458d0bf5636ea079164ddf784bcbf8e7dbf732568611d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26be06d128d95e83340458d0bf5636ea079164ddf784bcbf8e7dbf732568611d", kill_on_drop: false }`
[INFO] [stdout] 26be06d128d95e83340458d0bf5636ea079164ddf784bcbf8e7dbf732568611d
