[INFO] fetching crate uniresid 0.1.5...
[INFO] checking uniresid-0.1.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate uniresid 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate uniresid 0.1.5
[INFO] finished tweaking crates.io crate uniresid 0.1.5
[INFO] tweaked toml for crates.io crate uniresid 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uniresid 0.1.5 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 38 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-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] 9782a0158cbe169ad8fe6256c554cc99e0722b69813bb36d040bbfd16d5341c7
[INFO] running `Command { std: "docker" "start" "-a" "9782a0158cbe169ad8fe6256c554cc99e0722b69813bb36d040bbfd16d5341c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9782a0158cbe169ad8fe6256c554cc99e0722b69813bb36d040bbfd16d5341c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9782a0158cbe169ad8fe6256c554cc99e0722b69813bb36d040bbfd16d5341c7", kill_on_drop: false }`
[INFO] [stdout] 9782a0158cbe169ad8fe6256c554cc99e0722b69813bb36d040bbfd16d5341c7
[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] bf123d2fe801aee06d4bbac6d008a94a3cb600f924f4889c8dab5ede3f27fd70
[INFO] running `Command { std: "docker" "start" "-a" "bf123d2fe801aee06d4bbac6d008a94a3cb600f924f4889c8dab5ede3f27fd70", kill_on_drop: false }`
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking uniresid v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[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:92:81
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn next_no_groups_yet(state: Shared<'a>, i: usize, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]    |                                         -- the lifetime is named here           ^^^^^^^^^^^^^^^^^ 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] 92 |     fn next_no_groups_yet(state: Shared<'a>, i: usize, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:108:81
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn next_colon_but_no_groups_yet(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                                   -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 108 |     fn next_colon_but_no_groups_yet(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:122:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         state: Shared<'a>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 122 |     ) -> Result<Self, MachineExitStatus> {
[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] 122 |     ) -> Result<Self, MachineExitStatus<'a>> {
[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:137:75
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn next_in_group_not_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                             -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 137 |     fn next_in_group_not_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:155:80
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn next_in_group_could_be_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                                  -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 155 |     fn next_in_group_could_be_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:181:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         state: Shared<'a>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 181 |     ) -> Result<Self, MachineExitStatus> {
[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] 181 |     ) -> Result<Self, MachineExitStatus<'a>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uniresid` (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<char, Infallible>
[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:92:81
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn next_no_groups_yet(state: Shared<'a>, i: usize, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]    |                                         -- the lifetime is named here           ^^^^^^^^^^^^^^^^^ 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] 92 |     fn next_no_groups_yet(state: Shared<'a>, i: usize, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:108:81
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn next_colon_but_no_groups_yet(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                                   -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 108 |     fn next_colon_but_no_groups_yet(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:122:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         state: Shared<'a>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 122 |     ) -> Result<Self, MachineExitStatus> {
[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] 122 |     ) -> Result<Self, MachineExitStatus<'a>> {
[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:137:75
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn next_in_group_not_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                             -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 137 |     fn next_in_group_not_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[INFO] [stdout]     |                                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uniresid` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/validate_ipv6_address.rs:155:80
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn next_in_group_could_be_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus> {
[INFO] [stdout]     |                                                  -- the lifetime is named here ^^^^^^^^^^^^^^^^^ 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] 155 |     fn next_in_group_could_be_ipv4(state: Shared<'a>, c: char) -> Result<Self, MachineExitStatus<'a>> {
[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:181:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         state: Shared<'a>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 181 |     ) -> Result<Self, MachineExitStatus> {
[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] 181 |     ) -> Result<Self, MachineExitStatus<'a>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf123d2fe801aee06d4bbac6d008a94a3cb600f924f4889c8dab5ede3f27fd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf123d2fe801aee06d4bbac6d008a94a3cb600f924f4889c8dab5ede3f27fd70", kill_on_drop: false }`
[INFO] [stdout] bf123d2fe801aee06d4bbac6d008a94a3cb600f924f4889c8dab5ede3f27fd70
