[INFO] fetching crate embedded-timers 0.4.0...
[INFO] checking embedded-timers-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate embedded-timers 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate embedded-timers 0.4.0
[INFO] finished tweaking crates.io crate embedded-timers 0.4.0
[INFO] tweaked toml for crates.io crate embedded-timers 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-timers 0.4.0 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 32 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal-mock v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a41e50f496774b21915ec5f066645c65d50fde967e0ab676fb9237c5c4e9215d
[INFO] running `Command { std: "docker" "start" "-a" "a41e50f496774b21915ec5f066645c65d50fde967e0ab676fb9237c5c4e9215d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a41e50f496774b21915ec5f066645c65d50fde967e0ab676fb9237c5c4e9215d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41e50f496774b21915ec5f066645c65d50fde967e0ab676fb9237c5c4e9215d", kill_on_drop: false }`
[INFO] [stdout] a41e50f496774b21915ec5f066645c65d50fde967e0ab676fb9237c5c4e9215d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 97f085734f17220ad001e8daa94db6424a9793333101c5832389e387b57da9fd
[INFO] running `Command { std: "docker" "start" "-a" "97f085734f17220ad001e8daa94db6424a9793333101c5832389e387b57da9fd", kill_on_drop: false }`
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking embedded-timers v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/instant.rs:339:38
[INFO] [stdout]     |
[INFO] [stdout] 339 |                   let remaining: u32 = remaining
[INFO] [stdout]     |  ______________________________________^
[INFO] [stdout] 340 | |                     .try_into()
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] ...
[INFO] [stdout] 429 |   impl_instant!(Instant32, u32);
[INFO] [stdout]     |   ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_instant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/instant.rs:349:45
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 let secs: $primitive_type = duration.as_secs().try_into().ok()?;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_instant!(Instant64, u64);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_instant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/instant.rs:361:45
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 let secs: $primitive_type = duration.as_secs().try_into().ok()?;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_instant!(Instant64, u64);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_instant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-timers` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97f085734f17220ad001e8daa94db6424a9793333101c5832389e387b57da9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f085734f17220ad001e8daa94db6424a9793333101c5832389e387b57da9fd", kill_on_drop: false }`
[INFO] [stdout] 97f085734f17220ad001e8daa94db6424a9793333101c5832389e387b57da9fd