[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 [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 [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, 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 [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, 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 [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, 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 [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, 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 [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 [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 [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, 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 [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, 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 [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, 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 [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, 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 [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