[INFO] fetching crate gramma 0.2.24...
[INFO] checking gramma-0.2.24 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate gramma 0.2.24 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gramma 0.2.24 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gramma 0.2.24
[INFO] finished tweaking crates.io crate gramma 0.2.24
[INFO] tweaked toml for crates.io crate gramma 0.2.24 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b84890cb74f09b7f3a42d1c56c7cd6796edf51183789a3a1bfaf97d27d73e6
[INFO] running `Command { std: "docker" "start" "-a" "c1b84890cb74f09b7f3a42d1c56c7cd6796edf51183789a3a1bfaf97d27d73e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b84890cb74f09b7f3a42d1c56c7cd6796edf51183789a3a1bfaf97d27d73e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b84890cb74f09b7f3a42d1c56c7cd6796edf51183789a3a1bfaf97d27d73e6", kill_on_drop: false }`
[INFO] [stdout] c1b84890cb74f09b7f3a42d1c56c7cd6796edf51183789a3a1bfaf97d27d73e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061ba7b6a80dfc697bf30f873de8717e0c59c3013e7eaef45d9194c4f932318d
[INFO] running `Command { std: "docker" "start" "-a" "061ba7b6a80dfc697bf30f873de8717e0c59c3013e7eaef45d9194c4f932318d", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking gramma v0.2.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MyTryKind` is never used
[INFO] [stdout]   --> src/utils.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) trait MyTryKind: MyTry<Continue = (), Kind = Self> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/utils.rs:50:8
[INFO] [stdout]     |
[INFO] [stdout] 43  | pub(crate) trait MyTry: Sized {
[INFO] [stdout]     |                  ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn from_continue(c: Self::Continue) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58  |     fn map<C>(self, f: impl FnOnce(Self::Continue) -> C) -> WithContinue<Self, C> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     fn continue_also(self, f: impl FnOnce(&mut Self::Continue)) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn continue_also_with<R>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     fn map_break<B>(self, f: impl FnOnce(Self::Break) -> B) -> Self::WithBreak<B>
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn flat_map_break<X>(self, f: impl FnOnce(Self::Break) -> X) -> X
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn break_also_with<R>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MapBreak` is never used
[INFO] [stdout]    --> src/utils.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub(crate) trait MapBreak: MyTry {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WithContinue` is never used
[INFO] [stdout]    --> src/utils.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) type WithContinue<T, C> = <<T as MyTry>::Kind as MyTryKind>::WithContinue<C>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FunctionalExt` is never used
[INFO] [stdout]    --> src/utils.rs:214:18
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub(crate) trait FunctionalExt: Sized {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MyTryKind` is never used
[INFO] [stdout]   --> src/utils.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) trait MyTryKind: MyTry<Continue = (), Kind = Self> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/utils.rs:50:8
[INFO] [stdout]     |
[INFO] [stdout] 43  | pub(crate) trait MyTry: Sized {
[INFO] [stdout]     |                  ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn from_continue(c: Self::Continue) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58  |     fn map<C>(self, f: impl FnOnce(Self::Continue) -> C) -> WithContinue<Self, C> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     fn continue_also(self, f: impl FnOnce(&mut Self::Continue)) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn continue_also_with<R>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     fn map_break<B>(self, f: impl FnOnce(Self::Break) -> B) -> Self::WithBreak<B>
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn flat_map_break<X>(self, f: impl FnOnce(Self::Break) -> X) -> X
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn break_also_with<R>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MapBreak` is never used
[INFO] [stdout]    --> src/utils.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub(crate) trait MapBreak: MyTry {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WithContinue` is never used
[INFO] [stdout]    --> src/utils.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) type WithContinue<T, C> = <<T as MyTry>::Kind as MyTryKind>::WithContinue<C>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FunctionalExt` is never used
[INFO] [stdout]    --> src/utils.rs:214:18
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub(crate) trait FunctionalExt: Sized {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "061ba7b6a80dfc697bf30f873de8717e0c59c3013e7eaef45d9194c4f932318d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061ba7b6a80dfc697bf30f873de8717e0c59c3013e7eaef45d9194c4f932318d", kill_on_drop: false }`
[INFO] [stdout] 061ba7b6a80dfc697bf30f873de8717e0c59c3013e7eaef45d9194c4f932318d