[INFO] fetching crate fl2rust 0.4.6...
[INFO] checking fl2rust-0.4.6 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate fl2rust 0.4.6 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate fl2rust 0.4.6 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fl2rust 0.4.6
[INFO] finished tweaking crates.io crate fl2rust 0.4.6
[INFO] tweaked toml for crates.io crate fl2rust 0.4.6 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate crates.io crate fl2rust 0.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc19543c1aaa21606d5380df02f69f2fe78a9a66e2d8c037af305b890cac116d
[INFO] running `Command { std: "docker" "start" "-a" "cc19543c1aaa21606d5380df02f69f2fe78a9a66e2d8c037af305b890cac116d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc19543c1aaa21606d5380df02f69f2fe78a9a66e2d8c037af305b890cac116d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc19543c1aaa21606d5380df02f69f2fe78a9a66e2d8c037af305b890cac116d", kill_on_drop: false }`
[INFO] [stdout] cc19543c1aaa21606d5380df02f69f2fe78a9a66e2d8c037af305b890cac116d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1dbbb3c162ad994f80a414c7f423f37dd78f9fe3e96745b66992296bbd984ab
[INFO] running `Command { std: "docker" "start" "-a" "f1dbbb3c162ad994f80a414c7f423f37dd78f9fe3e96745b66992296bbd984ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking fl2rust v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling fltk-sys v1.1.2
[INFO] [stderr]    Compiling fltk-derive v1.1.2
[INFO] [stderr]     Checking fltk v1.1.2
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]  --> examples/example.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fltk::{prelude::*, *};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `myuifile`
[INFO] [stdout]   --> examples/myuifile.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / #![allow(unused_variables)]
[INFO] [stdout] 4  | | #![allow(unused_mut)]
[INFO] [stdout] 5  | | #![allow(unused_imports)]
[INFO] [stdout] 6  | | #![allow(clippy::needless_update)]
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |     }
[INFO] [stdout] 96 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/myuifile.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fl2rust` due to 2 previous errors
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1dbbb3c162ad994f80a414c7f423f37dd78f9fe3e96745b66992296bbd984ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1dbbb3c162ad994f80a414c7f423f37dd78f9fe3e96745b66992296bbd984ab", kill_on_drop: false }`
[INFO] [stdout] f1dbbb3c162ad994f80a414c7f423f37dd78f9fe3e96745b66992296bbd984ab