[INFO] updating cached repository ParadoxSpiral/axon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ParadoxSpiral/axon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ParadoxSpiral/axon" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ParadoxSpiral/axon"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ParadoxSpiral/axon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ParadoxSpiral/axon" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ParadoxSpiral/axon"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ParadoxSpiral/axon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ecadf4fba1548e05d9ee300dfff266cd8a29973c
[INFO] sha for GitHub repo ParadoxSpiral/axon: ecadf4fba1548e05d9ee300dfff266cd8a29973c
[INFO] validating manifest of ParadoxSpiral/axon on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ParadoxSpiral/axon on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ParadoxSpiral/axon
[INFO] finished frobbing ParadoxSpiral/axon
[INFO] frobbed toml for ParadoxSpiral/axon written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ParadoxSpiral/axon/Cargo.toml
[INFO] started frobbing ParadoxSpiral/axon
[INFO] finished frobbing ParadoxSpiral/axon
[INFO] frobbed toml for ParadoxSpiral/axon written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ParadoxSpiral/axon/Cargo.toml
[INFO] crate ParadoxSpiral/axon has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ParadoxSpiral/axon against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-6/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ParadoxSpiral/axon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dc2ca3cafefa36eff429159824d1b46bae5e40723a7394ab644bd3d4dbc79d89
[INFO] running `"docker" "start" "-a" "dc2ca3cafefa36eff429159824d1b46bae5e40723a7394ab644bd3d4dbc79d89"`
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking sha-1 v0.8.0
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking synapse-rpc v0.1.20
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]     Checking axon v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Center`
[INFO] [stderr]   --> src/utils/align.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub struct Center {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tui/view.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         write!(io::stdout(), "{}", cursor::Show);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Center`
[INFO] [stderr]   --> src/utils/align.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub struct Center {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tui/view.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         write!(io::stdout(), "{}", cursor::Show);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `"docker" "inspect" "dc2ca3cafefa36eff429159824d1b46bae5e40723a7394ab644bd3d4dbc79d89"`
[INFO] running `"docker" "rm" "-f" "dc2ca3cafefa36eff429159824d1b46bae5e40723a7394ab644bd3d4dbc79d89"`
[INFO] [stdout] dc2ca3cafefa36eff429159824d1b46bae5e40723a7394ab644bd3d4dbc79d89