[INFO] cloning repository https://github.com/cptlobster/regenexp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cptlobster/regenexp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcptlobster%2Fregenexp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcptlobster%2Fregenexp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95d4180c7d2604241972c9e5d9be60f757d20772
[INFO] building cptlobster/regenexp against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcptlobster%2Fregenexp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cptlobster/regenexp on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cptlobster/regenexp
[INFO] finished tweaking git repo https://github.com/cptlobster/regenexp
[INFO] tweaked toml for git repo https://github.com/cptlobster/regenexp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cptlobster/regenexp 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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 subenum v1.1.2
[INFO] [stderr]   Downloaded chumsky v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a364b04ff73c0da10e8fc16cf9b5ca04c704efddddb76763d49847e45638d273
[INFO] running `Command { std: "docker" "start" "-a" "a364b04ff73c0da10e8fc16cf9b5ca04c704efddddb76763d49847e45638d273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a364b04ff73c0da10e8fc16cf9b5ca04c704efddddb76763d49847e45638d273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a364b04ff73c0da10e8fc16cf9b5ca04c704efddddb76763d49847e45638d273", kill_on_drop: false }`
[INFO] [stdout] a364b04ff73c0da10e8fc16cf9b5ca04c704efddddb76763d49847e45638d273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90355e8b3a2dc91deb2cc9a85ad23284ab437e85539cedd02cd681dc53950c64
[INFO] running `Command { std: "docker" "start" "-a" "90355e8b3a2dc91deb2cc9a85ad23284ab437e85539cedd02cd681dc53950c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling chumsky v0.10.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling cc v1.2.18
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling psm v0.1.25
[INFO] [stderr]    Compiling stacker v0.1.20
[INFO] [stderr]    Compiling subenum v1.1.2
[INFO] [stderr]    Compiling regenexp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `repeated` exists for struct `Choice<()>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/regex.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout] 46  |       recursive(|bf| choice((
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 47  | |         )).repeated()
[INFO] [stdout]     | |           -^^^^^^^^ method cannot be called on `Choice<()>` due to unsatisfied trait bounds
[INFO] [stdout]     | |___________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chumsky-0.10.0/src/primitive.rs:828:1
[INFO] [stdout]     |
[INFO] [stdout] 828 |   pub struct Choice<T> {
[INFO] [stdout]     |   -------------------- doesn't satisfy `Choice<()>: chumsky::Parser<'_, _, _, _>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Choice<()>: chumsky::Parser<'_, _, _, _>`
[INFO] [stdout]             which is required by `&Choice<()>: chumsky::Parser<'_, _, _, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regenexp` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "90355e8b3a2dc91deb2cc9a85ad23284ab437e85539cedd02cd681dc53950c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90355e8b3a2dc91deb2cc9a85ad23284ab437e85539cedd02cd681dc53950c64", kill_on_drop: false }`
[INFO] [stdout] 90355e8b3a2dc91deb2cc9a85ad23284ab437e85539cedd02cd681dc53950c64