[INFO] fetching crate rhymuri 1.3.1... [INFO] checking rhymuri-1.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rhymuri 1.3.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate rhymuri 1.3.1 [INFO] finished tweaking crates.io crate rhymuri 1.3.1 [INFO] tweaked toml for crates.io crate rhymuri 1.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rhymuri 1.3.1 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] 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 12 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] 66b2542eb5891be2d89f6729537603d2f12adf237aa1d8aa0408cae203f021eb [INFO] running `Command { std: "docker" "start" "-a" "66b2542eb5891be2d89f6729537603d2f12adf237aa1d8aa0408cae203f021eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66b2542eb5891be2d89f6729537603d2f12adf237aa1d8aa0408cae203f021eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66b2542eb5891be2d89f6729537603d2f12adf237aa1d8aa0408cae203f021eb", kill_on_drop: false }` [INFO] [stdout] 66b2542eb5891be2d89f6729537603d2f12adf237aa1d8aa0408cae203f021eb [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] 9f8fcf7fc38cf2100d739af14f0411453219d943b2128f79c3c2f138999b32cc [INFO] running `Command { std: "docker" "start" "-a" "9f8fcf7fc38cf2100d739af14f0411453219d943b2128f79c3c2f138999b32cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling named_tuple v0.1.3 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking rhymuri v1.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/codec.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | match char::try_from(*ci) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 114 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 117 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 117 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:136:23 [INFO] [stdout] | [INFO] [stdout] 134 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 135 | c: char, [INFO] [stdout] 136 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 136 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:150:23 [INFO] [stdout] | [INFO] [stdout] 147 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 150 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 150 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:168:23 [INFO] [stdout] | [INFO] [stdout] 166 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 167 | c: char, [INFO] [stdout] 168 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 168 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:189:23 [INFO] [stdout] | [INFO] [stdout] 187 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 188 | c: char, [INFO] [stdout] 189 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 189 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:215:23 [INFO] [stdout] | [INFO] [stdout] 212 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 215 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 215 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rhymuri` (lib) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/codec.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | match char::try_from(*ci) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 114 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 117 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 117 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:136:23 [INFO] [stdout] | [INFO] [stdout] 134 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 135 | c: char, [INFO] [stdout] 136 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 136 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:150:23 [INFO] [stdout] | [INFO] [stdout] 147 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 150 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 150 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:168:23 [INFO] [stdout] | [INFO] [stdout] 166 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 167 | c: char, [INFO] [stdout] 168 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 168 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:189:23 [INFO] [stdout] | [INFO] [stdout] 187 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 188 | c: char, [INFO] [stdout] 189 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 189 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/validate_ipv6_address.rs:215:23 [INFO] [stdout] | [INFO] [stdout] 212 | state: Shared<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 215 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 215 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rhymuri` (lib test) due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9f8fcf7fc38cf2100d739af14f0411453219d943b2128f79c3c2f138999b32cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f8fcf7fc38cf2100d739af14f0411453219d943b2128f79c3c2f138999b32cc", kill_on_drop: false }` [INFO] [stdout] 9f8fcf7fc38cf2100d739af14f0411453219d943b2128f79c3c2f138999b32cc