[INFO] fetching crate slip-10 0.4.1...
[INFO] checking slip-10-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate slip-10 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate slip-10 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slip-10 0.4.1
[INFO] tweaked toml for crates.io crate slip-10 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slip-10 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.1.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7cf58658e01afbd0eb23f792f05f356eb229bfdf5c81e05dfe7b67078eca3240
[INFO] running `Command { std: "docker" "start" "-a" "7cf58658e01afbd0eb23f792f05f356eb229bfdf5c81e05dfe7b67078eca3240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf58658e01afbd0eb23f792f05f356eb229bfdf5c81e05dfe7b67078eca3240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf58658e01afbd0eb23f792f05f356eb229bfdf5c81e05dfe7b67078eca3240", kill_on_drop: false }`
[INFO] [stdout] 7cf58658e01afbd0eb23f792f05f356eb229bfdf5c81e05dfe7b67078eca3240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b821d813aaa828973837946d6dcd2862797efd14b2cb88dca6110ef8e3b36bc8
[INFO] running `Command { std: "docker" "start" "-a" "b821d813aaa828973837946d6dcd2862797efd14b2cb88dca6110ef8e3b36bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking generic-ec-core v0.2.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]     Checking phantom-type v0.4.2
[INFO] [stderr]     Checking generic-ec v0.4.5
[INFO] [stderr]     Checking slip-10 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedKeyPair<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:490:18
[INFO] [stdout]     |
[INFO] [stdout] 490 |       let result = try_derive_child_key_pair_with_path(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 491 | |         parent_key,
[INFO] [stdout] 492 | |         path.into_iter().map(Ok::<_, core::convert::Infallible>),
[INFO] [stdout] 493 | |     );
[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<ExtendedKeyPair<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |     match result {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedPublicKey<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:580:18
[INFO] [stdout]     |
[INFO] [stdout] 580 |       let result = try_derive_child_public_key_with_path(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 581 | |         parent_public_key,
[INFO] [stdout] 582 | |         path.into_iter().map(Ok::<_, core::convert::Infallible>),
[INFO] [stdout] 583 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedPublicKey<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:584:11
[INFO] [stdout]     |
[INFO] [stdout] 584 |     match result {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slip-10` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedKeyPair<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:490:18
[INFO] [stdout]     |
[INFO] [stdout] 490 |       let result = try_derive_child_key_pair_with_path(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 491 | |         parent_key,
[INFO] [stdout] 492 | |         path.into_iter().map(Ok::<_, core::convert::Infallible>),
[INFO] [stdout] 493 | |     );
[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<ExtendedKeyPair<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |     match result {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedPublicKey<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:580:18
[INFO] [stdout]     |
[INFO] [stdout] 580 |       let result = try_derive_child_public_key_with_path(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 581 | |         parent_public_key,
[INFO] [stdout] 582 | |         path.into_iter().map(Ok::<_, core::convert::Infallible>),
[INFO] [stdout] 583 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ExtendedPublicKey<E>, Infallible>
[INFO] [stdout]    --> src/lib.rs:584:11
[INFO] [stdout]     |
[INFO] [stdout] 584 |     match result {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slip-10` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b821d813aaa828973837946d6dcd2862797efd14b2cb88dca6110ef8e3b36bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b821d813aaa828973837946d6dcd2862797efd14b2cb88dca6110ef8e3b36bc8", kill_on_drop: false }`
[INFO] [stdout] b821d813aaa828973837946d6dcd2862797efd14b2cb88dca6110ef8e3b36bc8
