[INFO] updating cached repository https://github.com/Furyzer0/Flux_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Furyzer0/Flux_rs
[INFO] [stderr]    bf84d6b..4fcf1dc  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fcf1dc21d9692efdee3c5dfdd3bb68d84053c1f
[INFO] checking Furyzer0/Flux_rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuryzer0%2FFlux_rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Furyzer0/Flux_rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Furyzer0/Flux_rs
[INFO] finished tweaking git repo https://github.com/Furyzer0/Flux_rs
[INFO] tweaked toml for git repo https://github.com/Furyzer0/Flux_rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Furyzer0/Flux_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53f7ffc48b4e93b36bce912d96bd1987a80bab79a1993b6af8adfa55d533acf2
[INFO] running `"docker" "start" "-a" "53f7ffc48b4e93b36bce912d96bd1987a80bab79a1993b6af8adfa55d533acf2"`
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking flux_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::UpValueDesc`
[INFO] [stderr]  --> src/compiler/chunk.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::UpValueDesc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::UpValueDesc`
[INFO] [stderr]  --> src/compiler/chunk.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::UpValueDesc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]   --> src/vm.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::borrow::Borrow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]   --> src/vm.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::borrow::Borrow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SOURCE`
[INFO] [stderr]  --> src/vm/lib/array.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / pub(super) const SOURCE: &'static str = 
[INFO] [stderr] 2 | | "
[INFO] [stderr] 3 | |     Array = {
[INFO] [stderr] 4 | |          \"for_each\" = fn(self, f)
[INFO] [stderr] ... |
[INFO] [stderr] 7 | |     };
[INFO] [stderr] 8 | | ";
[INFO] [stderr]   | |__^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LIBS`
[INFO] [stderr]   --> src/vm/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub const LIBS: [(&'static str, &'static str); 1] = [
[INFO] [stderr] 11 | |     (array::SOURCE, "array")
[INFO] [stderr] 12 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_globals`
[INFO] [stderr]    --> src/vm.rs:595:5
[INFO] [stderr]     |
[INFO] [stderr] 595 |     fn print_globals(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SOURCE`
[INFO] [stderr]  --> src/vm/lib/array.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / pub(super) const SOURCE: &'static str = 
[INFO] [stderr] 2 | | "
[INFO] [stderr] 3 | |     Array = {
[INFO] [stderr] 4 | |          \"for_each\" = fn(self, f)
[INFO] [stderr] ... |
[INFO] [stderr] 7 | |     };
[INFO] [stderr] 8 | | ";
[INFO] [stderr]   | |__^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LIBS`
[INFO] [stderr]   --> src/vm/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub const LIBS: [(&'static str, &'static str); 1] = [
[INFO] [stderr] 11 | |     (array::SOURCE, "array")
[INFO] [stderr] 12 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_globals`
[INFO] [stderr]    --> src/vm.rs:595:5
[INFO] [stderr]     |
[INFO] [stderr] 595 |     fn print_globals(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `"docker" "inspect" "53f7ffc48b4e93b36bce912d96bd1987a80bab79a1993b6af8adfa55d533acf2"`
[INFO] running `"docker" "rm" "-f" "53f7ffc48b4e93b36bce912d96bd1987a80bab79a1993b6af8adfa55d533acf2"`
[INFO] [stdout] 53f7ffc48b4e93b36bce912d96bd1987a80bab79a1993b6af8adfa55d533acf2