[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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ParadoxSpiral/axon"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ParadoxSpiral/axon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ParadoxSpiral/axon" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ParadoxSpiral/axon"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ParadoxSpiral/axon on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ParadoxSpiral/axon/Cargo.toml
[INFO] crate ParadoxSpiral/axon has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ParadoxSpiral/axon against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f819ef4580e3ddb25dc933f1a2ca7a01452afc00f1b567c2c0827be97fccda5
[INFO] running `"docker" "start" "-a" "5f819ef4580e3ddb25dc933f1a2ca7a01452afc00f1b567c2c0827be97fccda5"`
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking synapse-rpc v0.1.20
[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 10.90s
[INFO] running `"docker" "inspect" "5f819ef4580e3ddb25dc933f1a2ca7a01452afc00f1b567c2c0827be97fccda5"`
[INFO] running `"docker" "rm" "-f" "5f819ef4580e3ddb25dc933f1a2ca7a01452afc00f1b567c2c0827be97fccda5"`
[INFO] [stdout] 5f819ef4580e3ddb25dc933f1a2ca7a01452afc00f1b567c2c0827be97fccda5