[INFO] fetching crate casco 0.4.0...
[INFO] testing casco-0.4.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate casco 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate casco 0.4.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba4d82796ff321348d3f8f2de3593c0be1eb13ebfd43006fe3c96cf3251ce55
[INFO] running `Command { std: "docker" "start" "-a" "5ba4d82796ff321348d3f8f2de3593c0be1eb13ebfd43006fe3c96cf3251ce55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba4d82796ff321348d3f8f2de3593c0be1eb13ebfd43006fe3c96cf3251ce55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba4d82796ff321348d3f8f2de3593c0be1eb13ebfd43006fe3c96cf3251ce55", kill_on_drop: false }`
[INFO] [stdout] 5ba4d82796ff321348d3f8f2de3593c0be1eb13ebfd43006fe3c96cf3251ce55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df85c522b9b0400329a3f4882f239d42c9027420baf0cc151dc02619da82b2f
[INFO] running `Command { std: "docker" "start" "-a" "8df85c522b9b0400329a3f4882f239d42c9027420baf0cc151dc02619da82b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[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 7.86s
[INFO] running `Command { std: "docker" "inspect" "8df85c522b9b0400329a3f4882f239d42c9027420baf0cc151dc02619da82b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df85c522b9b0400329a3f4882f239d42c9027420baf0cc151dc02619da82b2f", kill_on_drop: false }`
[INFO] [stdout] 8df85c522b9b0400329a3f4882f239d42c9027420baf0cc151dc02619da82b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a07796b5bf54c7a655b368cf4225a356ab7b17404832de05e86e8da096bf8649
[INFO] running `Command { std: "docker" "start" "-a" "a07796b5bf54c7a655b368cf4225a356ab7b17404832de05e86e8da096bf8649", 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] [stderr] error: could not compile `casco` due to 2 previous errors
[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] running `Command { std: "docker" "inspect" "a07796b5bf54c7a655b368cf4225a356ab7b17404832de05e86e8da096bf8649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07796b5bf54c7a655b368cf4225a356ab7b17404832de05e86e8da096bf8649", kill_on_drop: false }`
[INFO] [stdout] a07796b5bf54c7a655b368cf4225a356ab7b17404832de05e86e8da096bf8649