[INFO] fetching crate rrtk 0.7.0-alpha.9...
[INFO] checking rrtk-0.7.0-alpha.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rrtk 0.7.0-alpha.9 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rrtk 0.7.0-alpha.9
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rrtk 0.7.0-alpha.9
[INFO] tweaked toml for crates.io crate rrtk 0.7.0-alpha.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrtk 0.7.0-alpha.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] crate crates.io crate rrtk 0.7.0-alpha.9 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] 2134304ed1c92fc153d79d9c10e49485af844e6cbd081a0d86eb43c39a0b4b22
[INFO] running `Command { std: "docker" "start" "-a" "2134304ed1c92fc153d79d9c10e49485af844e6cbd081a0d86eb43c39a0b4b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2134304ed1c92fc153d79d9c10e49485af844e6cbd081a0d86eb43c39a0b4b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2134304ed1c92fc153d79d9c10e49485af844e6cbd081a0d86eb43c39a0b4b22", kill_on_drop: false }`
[INFO] [stdout] 2134304ed1c92fc153d79d9c10e49485af844e6cbd081a0d86eb43c39a0b4b22
[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] 7f4d9be5b818d7142856ddce580b39a7cf845bfc9667ddf3ebc9ba620e42db1d
[INFO] running `Command { std: "docker" "start" "-a" "7f4d9be5b818d7142856ddce580b39a7cf845bfc9667ddf3ebc9ba620e42db1d", kill_on_drop: false }`
[INFO] [stderr]     Checking rrtk v0.7.0-alpha.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<dimensions::Time, Infallible>
[INFO] [stdout]   --> src/motion_profile.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             t1: Time::try_from(t1).expect(
[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<dimensions::Time, Infallible>
[INFO] [stdout]   --> src/motion_profile.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             t2: Time::try_from(t2).expect(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dimensions::Time, Infallible>
[INFO] [stdout]    --> src/motion_profile.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             t3: Time::try_from(t3).expect(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dimensions::Time, Infallible>
[INFO] [stdout]   --> src/motion_profile.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             t1: Time::try_from(t1).expect(
[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<dimensions::Time, Infallible>
[INFO] [stdout]   --> src/motion_profile.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             t2: Time::try_from(t2).expect(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dimensions::Time, Infallible>
[INFO] [stdout]    --> src/motion_profile.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             t3: Time::try_from(t3).expect(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rrtk` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rrtk` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7f4d9be5b818d7142856ddce580b39a7cf845bfc9667ddf3ebc9ba620e42db1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4d9be5b818d7142856ddce580b39a7cf845bfc9667ddf3ebc9ba620e42db1d", kill_on_drop: false }`
[INFO] [stdout] 7f4d9be5b818d7142856ddce580b39a7cf845bfc9667ddf3ebc9ba620e42db1d