[INFO] cloning repository https://github.com/YumeCross/thesislang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YumeCross/thesislang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYumeCross%2Fthesislang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYumeCross%2Fthesislang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35fa2430fcc913d9a7c0a64b90c60fbd742cc351
[INFO] testing YumeCross/thesislang-rs against 1.80.0 for beta-1.81-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYumeCross%2Fthesislang-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YumeCross/thesislang-rs on toolchain 1.80.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.80.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YumeCross/thesislang-rs
[INFO] finished tweaking git repo https://github.com/YumeCross/thesislang-rs
[INFO] tweaked toml for git repo https://github.com/YumeCross/thesislang-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YumeCross/thesislang-rs 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" "+1.80.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6faa80a8191b5393068955c10ab73756b338ade0c4bb8d20275569c2d7f4463
[INFO] running `Command { std: "docker" "start" "-a" "e6faa80a8191b5393068955c10ab73756b338ade0c4bb8d20275569c2d7f4463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6faa80a8191b5393068955c10ab73756b338ade0c4bb8d20275569c2d7f4463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6faa80a8191b5393068955c10ab73756b338ade0c4bb8d20275569c2d7f4463", kill_on_drop: false }`
[INFO] [stdout] e6faa80a8191b5393068955c10ab73756b338ade0c4bb8d20275569c2d7f4463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525184f43a74b3ce37efc70490ee5b80bd9260085d03fc277690c7638a49a14c
[INFO] running `Command { std: "docker" "start" "-a" "525184f43a74b3ce37efc70490ee5b80bd9260085d03fc277690c7638a49a14c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling ariadne v0.4.1
[INFO] [stderr]    Compiling thesis-interpreter v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `combiner::*`
[INFO] [stdout]  --> src/evaluation/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use combiner::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'error_in_core'
[INFO] [stdout]    --> src/error.rs:112:6
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl core::error::Error for Error {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #103765 <https://github.com/rust-lang/rust/issues/103765> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thesis-interpreter` (bin "thesis") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "525184f43a74b3ce37efc70490ee5b80bd9260085d03fc277690c7638a49a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525184f43a74b3ce37efc70490ee5b80bd9260085d03fc277690c7638a49a14c", kill_on_drop: false }`
[INFO] [stdout] 525184f43a74b3ce37efc70490ee5b80bd9260085d03fc277690c7638a49a14c