[INFO] cloning repository https://github.com/lzutao/rust-siphash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lzutao/rust-siphash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flzutao%2Frust-siphash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flzutao%2Frust-siphash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92aab711199ef0e0322e72bba4fd5aa1ffba80d7
[INFO] checking lzutao/rust-siphash against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flzutao%2Frust-siphash" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lzutao/rust-siphash
[INFO] finished tweaking git repo https://github.com/lzutao/rust-siphash
[INFO] tweaked toml for git repo https://github.com/lzutao/rust-siphash written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lzutao/rust-siphash on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lzutao/rust-siphash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d6156904f082a2ea741d77394b1357192a9e98d700b23f1c4843f20b29e5a6
[INFO] running `Command { std: "docker" "start" "-a" "91d6156904f082a2ea741d77394b1357192a9e98d700b23f1c4843f20b29e5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d6156904f082a2ea741d77394b1357192a9e98d700b23f1c4843f20b29e5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d6156904f082a2ea741d77394b1357192a9e98d700b23f1c4843f20b29e5a6", kill_on_drop: false }`
[INFO] [stdout] 91d6156904f082a2ea741d77394b1357192a9e98d700b23f1c4843f20b29e5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0670acbf8b5967933846cfbba598278e33091ca8a1358a5441168d136602df97
[INFO] running `Command { std: "docker" "start" "-a" "0670acbf8b5967933846cfbba598278e33091ca8a1358a5441168d136602df97", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling ship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ship` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: unused return value of `core::num::<impl u64>::to_le` that must be used
[INFO] [stdout]   --> src/lib.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         m.to_le();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = m.to_le();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u64>::to_le` that must be used
[INFO] [stdout]   --> src/lib.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         m.to_le();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = m.to_le();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/tests.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let expected = unsafe { transmute::<[u8; 8], u64>(vecs[i].try_into().unwrap()) };
[INFO] [stdout]    |                                 -------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 8], Infallible>
[INFO] [stdout]   --> src/tests.rs:82:59
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let expected = unsafe { transmute::<[u8; 8], u64>(vecs[i].try_into().unwrap()) };
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0670acbf8b5967933846cfbba598278e33091ca8a1358a5441168d136602df97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0670acbf8b5967933846cfbba598278e33091ca8a1358a5441168d136602df97", kill_on_drop: false }`
[INFO] [stdout] 0670acbf8b5967933846cfbba598278e33091ca8a1358a5441168d136602df97