[INFO] fetching crate reckoner 0.3.0...
[INFO] checking reckoner-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate reckoner 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate reckoner 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate reckoner 0.3.0
[INFO] tweaked toml for crates.io crate reckoner 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reckoner 0.3.0 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] crate crates.io crate reckoner 0.3.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 74313d325042d77d4474bba5756afbea747afc1937d16712f167641e1daeb7e0
[INFO] running `Command { std: "docker" "start" "-a" "74313d325042d77d4474bba5756afbea747afc1937d16712f167641e1daeb7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74313d325042d77d4474bba5756afbea747afc1937d16712f167641e1daeb7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74313d325042d77d4474bba5756afbea747afc1937d16712f167641e1daeb7e0", kill_on_drop: false }`
[INFO] [stdout] 74313d325042d77d4474bba5756afbea747afc1937d16712f167641e1daeb7e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f2071877a12ba507cd8ae1711939924490c60a5e946c22e8ba54c558075db6a1
[INFO] running `Command { std: "docker" "start" "-a" "f2071877a12ba507cd8ae1711939924490c60a5e946c22e8ba54c558075db6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling creachadair-imath-sys v0.3.0
[INFO] [stderr]     Checking reckoner v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/integer/conversions.rs:202:39
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     .and_then(|value| value.try_into().map_err(From::from))
[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<i64, Infallible>
[INFO] [stdout]    --> src/integer/conversions.rs:210:39
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     .and_then(|value| value.try_into().map_err(From::from))
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:338:50
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:338:50
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:338:67
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:338:67
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reckoner` (lib) due to 10 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<i64, Infallible>
[INFO] [stdout]    --> src/integer/conversions.rs:202:39
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     .and_then(|value| value.try_into().map_err(From::from))
[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<i64, Infallible>
[INFO] [stdout]    --> src/integer/conversions.rs:210:39
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     .and_then(|value| value.try_into().map_err(From::from))
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:338:50
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:338:50
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:338:67
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:338:67
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/rational/conversions.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/rational/conversions.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     .and_then(|(num, denom)| Ok((num.try_into()?, denom.try_into()?)))
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reckoner` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "f2071877a12ba507cd8ae1711939924490c60a5e946c22e8ba54c558075db6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2071877a12ba507cd8ae1711939924490c60a5e946c22e8ba54c558075db6a1", kill_on_drop: false }`
[INFO] [stdout] f2071877a12ba507cd8ae1711939924490c60a5e946c22e8ba54c558075db6a1
