[INFO] fetching crate nexers 0.1.7...
[INFO] checking nexers-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate nexers 0.1.7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nexers 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nexers 0.1.7
[INFO] tweaked toml for crates.io crate nexers 0.1.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nexers 0.1.7 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 crates.io crate nexers 0.1.7 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] 30b05b686497298dac9f216029d16ea56f6dfacb03fdd02c80cf789ab227b013
[INFO] running `Command { std: "docker" "start" "-a" "30b05b686497298dac9f216029d16ea56f6dfacb03fdd02c80cf789ab227b013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30b05b686497298dac9f216029d16ea56f6dfacb03fdd02c80cf789ab227b013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b05b686497298dac9f216029d16ea56f6dfacb03fdd02c80cf789ab227b013", kill_on_drop: false }`
[INFO] [stdout] 30b05b686497298dac9f216029d16ea56f6dfacb03fdd02c80cf789ab227b013
[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] 869c1a8de10894161e1036ac1682a9d8433f30cb9af6b0dd96a436e3bd5b81a4
[INFO] running `Command { std: "docker" "start" "-a" "869c1a8de10894161e1036ac1682a9d8433f30cb9af6b0dd96a436e3bd5b81a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsqlite3-sys v0.35.0
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking insideout v0.2.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking rusqlite v0.37.0
[INFO] [stderr]     Checking nexers v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/nexus.rs:219:38
[INFO] [stdout]     |
[INFO] [stdout] 219 |         _ => Name::Other(f.read_utf8(usize::try_from(name_len)?)?.to_compact_string()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/nexus.rs:219:38
[INFO] [stdout]     |
[INFO] [stdout] 219 |         _ => Name::Other(f.read_utf8(usize::try_from(name_len)?)?.to_compact_string()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nexers` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/nexus.rs:219:38
[INFO] [stdout]     |
[INFO] [stdout] 219 |         _ => Name::Other(f.read_utf8(usize::try_from(name_len)?)?.to_compact_string()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/nexus.rs:219:38
[INFO] [stdout]     |
[INFO] [stdout] 219 |         _ => Name::Other(f.read_utf8(usize::try_from(name_len)?)?.to_compact_string()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nexers` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "869c1a8de10894161e1036ac1682a9d8433f30cb9af6b0dd96a436e3bd5b81a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869c1a8de10894161e1036ac1682a9d8433f30cb9af6b0dd96a436e3bd5b81a4", kill_on_drop: false }`
[INFO] [stdout] 869c1a8de10894161e1036ac1682a9d8433f30cb9af6b0dd96a436e3bd5b81a4
