[INFO] fetching crate koibumi-core 0.0.9...
[INFO] checking koibumi-core-0.0.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate koibumi-core 0.0.9 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate koibumi-core 0.0.9
[INFO] finished tweaking crates.io crate koibumi-core 0.0.9
[INFO] tweaked toml for crates.io crate koibumi-core 0.0.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koibumi-core 0.0.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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] 559a2418f0290226a8f46aa923d77417c50e1473751c9849bb18b05c8367b551
[INFO] running `Command { std: "docker" "start" "-a" "559a2418f0290226a8f46aa923d77417c50e1473751c9849bb18b05c8367b551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559a2418f0290226a8f46aa923d77417c50e1473751c9849bb18b05c8367b551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559a2418f0290226a8f46aa923d77417c50e1473751c9849bb18b05c8367b551", kill_on_drop: false }`
[INFO] [stdout] 559a2418f0290226a8f46aa923d77417c50e1473751c9849bb18b05c8367b551
[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] 0d294481051a193321c8e41845112df2134ee4cf047981035107b9a38c6c919f
[INFO] running `Command { std: "docker" "start" "-a" "0d294481051a193321c8e41845112df2134ee4cf047981035107b9a38c6c919f", kill_on_drop: false }`
[INFO] [stderr]     Checking koibumi-base32 v0.0.3
[INFO] [stderr]     Checking koibumi-net v0.0.1
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking koibumi-base58 v0.0.2
[INFO] [stderr]     Checking koibumi-secp256k1 v0.0.0
[INFO] [stderr]     Checking koibumi-core v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/crypto.rs:381:16
[INFO] [stdout]     |
[INFO] [stdout] 381 |             x: x.as_ref().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] [stdout] error: this type will no longer be must used: std::result::Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/crypto.rs:382:16
[INFO] [stdout]     |
[INFO] [stdout] 382 |             y: y.as_ref().try_into().unwrap(),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koibumi-core` (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: std::result::Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/crypto.rs:381:16
[INFO] [stdout]     |
[INFO] [stdout] 381 |             x: x.as_ref().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] [stdout] error: this type will no longer be must used: std::result::Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/crypto.rs:382:16
[INFO] [stdout]     |
[INFO] [stdout] 382 |             y: y.as_ref().try_into().unwrap(),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koibumi-core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d294481051a193321c8e41845112df2134ee4cf047981035107b9a38c6c919f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d294481051a193321c8e41845112df2134ee4cf047981035107b9a38c6c919f", kill_on_drop: false }`
[INFO] [stdout] 0d294481051a193321c8e41845112df2134ee4cf047981035107b9a38c6c919f