[INFO] updating cached repository https://github.com/theotherphil/flux
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 308946086e90538c9fe548b53242e3bec90cc22c
[INFO] checking theotherphil/flux against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheotherphil%2Fflux" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theotherphil/flux on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/theotherphil/flux
[INFO] finished tweaking git repo https://github.com/theotherphil/flux
[INFO] tweaked toml for git repo https://github.com/theotherphil/flux written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/theotherphil/flux already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a107f3b3cab019bc9e2b24ec87fc4fb1248aff6774b0e7277e3dd8f9ae85bd0
[INFO] running `"docker" "start" "-a" "4a107f3b3cab019bc9e2b24ec87fc4fb1248aff6774b0e7277e3dd8f9ae85bd0"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking flux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:234:1
[INFO] [stderr]     |
[INFO] [stderr] 234 | / macro_rules! attrs {
[INFO] [stderr] 235 | |     ( $( $attr:expr => $value:expr),* ) => {
[INFO] [stderr] 236 | |         {
[INFO] [stderr] 237 | |             let mut vals = Vec::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |     }
[INFO] [stderr] 245 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_colors`
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn num_colors(self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOUR_SCHEME`
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     const COLOUR_SCHEME: &str = "dark28";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_colors`
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn num_colors(self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOUR_SCHEME`
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     const COLOUR_SCHEME: &str = "dark28";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "4a107f3b3cab019bc9e2b24ec87fc4fb1248aff6774b0e7277e3dd8f9ae85bd0"`
[INFO] running `"docker" "rm" "-f" "4a107f3b3cab019bc9e2b24ec87fc4fb1248aff6774b0e7277e3dd8f9ae85bd0"`
[INFO] [stdout] 4a107f3b3cab019bc9e2b24ec87fc4fb1248aff6774b0e7277e3dd8f9ae85bd0