[INFO] fetching crate aster 0.41.0...
[INFO] testing aster-0.41.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate aster 0.41.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aster 0.41.0 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 aster 0.41.0
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate aster 0.41.0
[INFO] tweaked toml for crates.io crate aster 0.41.0 written to /workspace/builds/worker-2-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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded compiletest_rs v0.2.10
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded clippy v0.0.302
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded syntex_pos v0.58.1
[INFO] [stderr]   Downloaded syntex_errors v0.58.1
[INFO] [stderr]   Downloaded syntex_syntax v0.58.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43848e7b283c9b2424527d1b2dbfeff5cab6c2f765184f7480f07f16c90d4937
[INFO] running `Command { std: "docker" "start" "-a" "43848e7b283c9b2424527d1b2dbfeff5cab6c2f765184f7480f07f16c90d4937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43848e7b283c9b2424527d1b2dbfeff5cab6c2f765184f7480f07f16c90d4937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43848e7b283c9b2424527d1b2dbfeff5cab6c2f765184f7480f07f16c90d4937", kill_on_drop: false }`
[INFO] [stdout] 43848e7b283c9b2424527d1b2dbfeff5cab6c2f765184f7480f07f16c90d4937
[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=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] b4540dc0ad04f557f7395d8a77e74923632958b66d957466e4446398e9f5310a
[INFO] running `Command { std: "docker" "start" "-a" "b4540dc0ad04f557f7395d8a77e74923632958b66d957466e4446398e9f5310a", kill_on_drop: false }`
[INFO] [stderr]    Compiling aster v0.41.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, i128_type))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `i128_type` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, i128_type))]
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[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; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b4540dc0ad04f557f7395d8a77e74923632958b66d957466e4446398e9f5310a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4540dc0ad04f557f7395d8a77e74923632958b66d957466e4446398e9f5310a", kill_on_drop: false }`
[INFO] [stdout] b4540dc0ad04f557f7395d8a77e74923632958b66d957466e4446398e9f5310a
