[INFO] fetching crate biff-datetime-cli 0.1.1...
[INFO] checking biff-datetime-cli-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate biff-datetime-cli 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate biff-datetime-cli 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate biff-datetime-cli 0.1.1
[INFO] tweaked toml for crates.io crate biff-datetime-cli 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate biff-datetime-cli 0.1.1 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] crate crates.io crate biff-datetime-cli 0.1.1 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-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] ccdf84910f92298f2ca951a743ab4cca3cd43d9aa458036cbedfc98e0b4c6947
[INFO] running `Command { std: "docker" "start" "-a" "ccdf84910f92298f2ca951a743ab4cca3cd43d9aa458036cbedfc98e0b4c6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccdf84910f92298f2ca951a743ab4cca3cd43d9aa458036cbedfc98e0b4c6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdf84910f92298f2ca951a743ab4cca3cd43d9aa458036cbedfc98e0b4c6947", kill_on_drop: false }`
[INFO] [stdout] ccdf84910f92298f2ca951a743ab4cca3cd43d9aa458036cbedfc98e0b4c6947
[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] 2b0ed06273ab9fa7907aaab072e781fc360e74fd26ba116065bbd22cb355992c
[INFO] running `Command { std: "docker" "start" "-a" "2b0ed06273ab9fa7907aaab072e781fc360e74fd26ba116065bbd22cb355992c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking jiff-tzdb v0.1.4
[INFO] [stderr]    Compiling biff-datetime-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking lexopt v0.3.1
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking jiff v0.2.16
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking insta v1.43.2
[INFO] [stderr] error: could not compile `biff-datetime-cli` (bin "biff") due to 10 previous errors
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]     --> src/ical.rs:1803:29
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         Ok(base.checked_mul(i64::try_from(interval)?)?)
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]     --> src/ical.rs:1803:29
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         Ok(base.checked_mul(i64::try_from(interval)?)?)
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/parse.rs:19:64
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_bytes(bytes: &[u8]) -> Result<Vec<u8>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 20 | |         Ok(bytes.to_vec())
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/parse.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(bytes.to_vec())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, [u8]>, Infallible>
[INFO] [stdout]   --> src/parse.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |       fn from_bytes(bytes: &[u8]) -> Result<Cow<'static, [u8]>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 28 | |         Ok(bytes.to_vec().into())
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, [u8]>, Infallible>
[INFO] [stdout]   --> src/parse.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok(bytes.to_vec().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BString, Infallible>
[INFO] [stdout]   --> src/parse.rs:35:64
[INFO] [stdout]    |
[INFO] [stdout] 35 |       fn from_bytes(bytes: &[u8]) -> Result<BString, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 36 | |         Ok(bytes.to_vec().into())
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BString, Infallible>
[INFO] [stdout]   --> src/parse.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(bytes.to_vec().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, BStr>, Infallible>
[INFO] [stdout]   --> src/parse.rs:43:75
[INFO] [stdout]    |
[INFO] [stdout] 43 |       fn from_bytes(bytes: &[u8]) -> Result<Cow<'static, BStr>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 44 | |         Ok(BString::from(bytes.to_vec()).into())
[INFO] [stdout] 45 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, BStr>, Infallible>
[INFO] [stdout]   --> src/parse.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok(BString::from(bytes.to_vec()).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]     --> src/ical.rs:1803:29
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         Ok(base.checked_mul(i64::try_from(interval)?)?)
[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<i64, Infallible>
[INFO] [stdout]     --> src/ical.rs:1803:29
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         Ok(base.checked_mul(i64::try_from(interval)?)?)
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/parse.rs:19:64
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_bytes(bytes: &[u8]) -> Result<Vec<u8>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 20 | |         Ok(bytes.to_vec())
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/parse.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(bytes.to_vec())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, [u8]>, Infallible>
[INFO] [stdout]   --> src/parse.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |       fn from_bytes(bytes: &[u8]) -> Result<Cow<'static, [u8]>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 28 | |         Ok(bytes.to_vec().into())
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, [u8]>, Infallible>
[INFO] [stdout]   --> src/parse.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok(bytes.to_vec().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BString, Infallible>
[INFO] [stdout]   --> src/parse.rs:35:64
[INFO] [stdout]    |
[INFO] [stdout] 35 |       fn from_bytes(bytes: &[u8]) -> Result<BString, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 36 | |         Ok(bytes.to_vec().into())
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BString, Infallible>
[INFO] [stdout]   --> src/parse.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(bytes.to_vec().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, BStr>, Infallible>
[INFO] [stdout]   --> src/parse.rs:43:75
[INFO] [stdout]    |
[INFO] [stdout] 43 |       fn from_bytes(bytes: &[u8]) -> Result<Cow<'static, BStr>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 44 | |         Ok(BString::from(bytes.to_vec()).into())
[INFO] [stdout] 45 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, BStr>, Infallible>
[INFO] [stdout]   --> src/parse.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok(BString::from(bytes.to_vec()).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `biff-datetime-cli` (bin "biff" test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b0ed06273ab9fa7907aaab072e781fc360e74fd26ba116065bbd22cb355992c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0ed06273ab9fa7907aaab072e781fc360e74fd26ba116065bbd22cb355992c", kill_on_drop: false }`
[INFO] [stdout] 2b0ed06273ab9fa7907aaab072e781fc360e74fd26ba116065bbd22cb355992c
