[INFO] fetching crate casco 0.4.0...
[INFO] testing casco-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate casco 0.4.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate casco 0.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casco 0.4.0
[INFO] finished tweaking crates.io crate casco 0.4.0
[INFO] tweaked toml for crates.io crate casco 0.4.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 593f29023bce4a44af6660916fb510b03f0cbd078c9461c9ce49a61ff9271d9f
[INFO] running `Command { std: "docker" "start" "-a" "593f29023bce4a44af6660916fb510b03f0cbd078c9461c9ce49a61ff9271d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "593f29023bce4a44af6660916fb510b03f0cbd078c9461c9ce49a61ff9271d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593f29023bce4a44af6660916fb510b03f0cbd078c9461c9ce49a61ff9271d9f", kill_on_drop: false }`
[INFO] [stdout] 593f29023bce4a44af6660916fb510b03f0cbd078c9461c9ce49a61ff9271d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 151ac2727dcd8f4034a32781849cd0ff5543ee03c290ccbc452b545a7a4813c3
[INFO] running `Command { std: "docker" "start" "-a" "151ac2727dcd8f4034a32781849cd0ff5543ee03c290ccbc452b545a7a4813c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling casco v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "151ac2727dcd8f4034a32781849cd0ff5543ee03c290ccbc452b545a7a4813c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151ac2727dcd8f4034a32781849cd0ff5543ee03c290ccbc452b545a7a4813c3", kill_on_drop: false }`
[INFO] [stdout] 151ac2727dcd8f4034a32781849cd0ff5543ee03c290ccbc452b545a7a4813c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a1905c7e4e566ff6c3fe8e334a6ab97c2255b9257b2e3e77e2b00e71ecb647b
[INFO] running `Command { std: "docker" "start" "-a" "4a1905c7e4e566ff6c3fe8e334a6ab97c2255b9257b2e3e77e2b00e71ecb647b", kill_on_drop: false }`
[INFO] [stderr]    Compiling casco v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::lexer`
[INFO] [stdout]    --> src/cascade.rs:297:16
[INFO] [stdout]     |
[INFO] [stdout] 297 |     use crate::lexer::lex;
[INFO] [stdout]     |                ^^^^^ could not find `lexer` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casco` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a1905c7e4e566ff6c3fe8e334a6ab97c2255b9257b2e3e77e2b00e71ecb647b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1905c7e4e566ff6c3fe8e334a6ab97c2255b9257b2e3e77e2b00e71ecb647b", kill_on_drop: false }`
[INFO] [stdout] 4a1905c7e4e566ff6c3fe8e334a6ab97c2255b9257b2e3e77e2b00e71ecb647b