[INFO] fetching crate casco 0.4.0...
[INFO] checking casco-0.4.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate casco 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate casco 0.4.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding beef v0.4.4 (latest: v0.5.2)
[INFO] [stderr]       Adding logos v0.11.4 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.11.5 (latest: v0.14.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba4ae8e69bc747799babacf1d4c9eb158223c40d884f8f5e04e4f7b999e893df
[INFO] running `Command { std: "docker" "start" "-a" "ba4ae8e69bc747799babacf1d4c9eb158223c40d884f8f5e04e4f7b999e893df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba4ae8e69bc747799babacf1d4c9eb158223c40d884f8f5e04e4f7b999e893df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4ae8e69bc747799babacf1d4c9eb158223c40d884f8f5e04e4f7b999e893df", kill_on_drop: false }`
[INFO] [stdout] ba4ae8e69bc747799babacf1d4c9eb158223c40d884f8f5e04e4f7b999e893df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c473a9605af697f4d6bef86bd809e5f32495642c17f1cc3158a164d9e72add0
[INFO] running `Command { std: "docker" "start" "-a" "2c473a9605af697f4d6bef86bd809e5f32495642c17f1cc3158a164d9e72add0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking 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] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:8:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub mod lexer;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     = note: the item is gated behind the `lexer` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c473a9605af697f4d6bef86bd809e5f32495642c17f1cc3158a164d9e72add0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c473a9605af697f4d6bef86bd809e5f32495642c17f1cc3158a164d9e72add0", kill_on_drop: false }`
[INFO] [stdout] 2c473a9605af697f4d6bef86bd809e5f32495642c17f1cc3158a164d9e72add0