[INFO] fetching crate epilog 0.1.0... [INFO] testing epilog-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate epilog 0.1.0 [INFO] finished tweaking crates.io crate epilog 0.1.0 [INFO] tweaked toml for crates.io crate epilog 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 63 packages to latest compatible versions [INFO] [stderr] Adding proptest v0.9.6 (available: v1.7.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proptest v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1331e4929935ddee0337a95b885db0150dec56fdee07628656904e87d151db4 [INFO] running `Command { std: "docker" "start" "-a" "f1331e4929935ddee0337a95b885db0150dec56fdee07628656904e87d151db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1331e4929935ddee0337a95b885db0150dec56fdee07628656904e87d151db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1331e4929935ddee0337a95b885db0150dec56fdee07628656904e87d151db4", kill_on_drop: false }` [INFO] [stdout] f1331e4929935ddee0337a95b885db0150dec56fdee07628656904e87d151db4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2d5050b9a2d8e6546483f5faa9f1af4f88fcded6d894a5331322a3f5bef6030b [INFO] running `Command { std: "docker" "start" "-a" "2d5050b9a2d8e6546483f5faa9f1af4f88fcded6d894a5331322a3f5bef6030b", kill_on_drop: false }` [INFO] [stderr] Compiling epilog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/sub.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "try_trait")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/unify.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | fn unify(&self, rhs: &Self) -> UResult { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 16 | fn unify(&self, rhs: &Self) -> UResult<'_, K, V, Self::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "2d5050b9a2d8e6546483f5faa9f1af4f88fcded6d894a5331322a3f5bef6030b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d5050b9a2d8e6546483f5faa9f1af4f88fcded6d894a5331322a3f5bef6030b", kill_on_drop: false }` [INFO] [stdout] 2d5050b9a2d8e6546483f5faa9f1af4f88fcded6d894a5331322a3f5bef6030b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 207ddee2d2b85d2a36200aeca77847525d25a23499a02c07eaca658a244bd2b2 [INFO] running `Command { std: "docker" "start" "-a" "207ddee2d2b85d2a36200aeca77847525d25a23499a02c07eaca658a244bd2b2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/sub.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "try_trait")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/unify.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | fn unify(&self, rhs: &Self) -> UResult { [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 16 | fn unify(&self, rhs: &Self) -> UResult<'_, K, V, Self::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling epilog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try` [INFO] [stdout] --> src/uresult.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | type Error = E; [INFO] [stdout] | ^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try` [INFO] [stdout] --> src/uresult.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | type Ok = Option>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try` [INFO] [stdout] --> src/uresult.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | fn into_result(self) -> Result<::Ok, Self::Error> { self.into() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try` [INFO] [stdout] --> src/uresult.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / fn from_ok(sub: ::Ok) -> Self { [INFO] [stdout] 48 | | match sub { [INFO] [stdout] 49 | | Some(s) => UOk(s), [INFO] [stdout] 50 | | None => Bottom, [INFO] [stdout] 51 | | } [INFO] [stdout] 52 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try` [INFO] [stdout] --> src/uresult.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | fn from_error(err: E) -> Self { UErr(err) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0576]: cannot find associated type `Ok` in trait `Try` [INFO] [stdout] --> src/uresult.rs:44:51 [INFO] [stdout] | [INFO] [stdout] 44 | fn into_result(self) -> Result<::Ok, Self::Error> { self.into() } [INFO] [stdout] | ^^ not found in `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0576]: cannot find associated type `Ok` in trait `Try` [INFO] [stdout] --> src/uresult.rs:47:36 [INFO] [stdout] | [INFO] [stdout] 47 | fn from_ok(sub: ::Ok) -> Self { [INFO] [stdout] | ^^ not found in `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/sub.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "try_trait")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `try_trait` [INFO] [stdout] --> src/uresult.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(any(test, feature = "try_trait"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `try_trait` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2` [INFO] [stdout] --> src/uresult.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Try; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2` [INFO] [stdout] --> src/uresult.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | impl<'a, K: Clone, V: Clone, E> Try for UResult<'a, K, V, E> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: feature `try_trait` has been renamed to `try_trait_v2` [INFO] [stdout] --> src/lib.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, feature(try_trait))] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Error` not found for `Self` [INFO] [stdout] --> src/uresult.rs:44:61 [INFO] [stdout] | [INFO] [stdout] 44 | fn into_result(self) -> Result<::Ok, Self::Error> { self.into() } [INFO] [stdout] | ^^^^^ associated type `Error` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Output`, `Residual`, `from_output`, `branch` [INFO] [stdout] --> src/uresult.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | impl<'a, K: Clone, V: Clone, E> Try for UResult<'a, K, V, E> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Output`, `Residual`, `from_output`, `branch` in implementation [INFO] [stdout] | [INFO] [stdout] = help: implement the missing item: `type Output = /* Type */;` [INFO] [stdout] = help: implement the missing item: `type Residual = /* Type */;` [INFO] [stdout] = help: implement the missing item: `fn from_output(_: ::Output) -> Self { todo!() }` [INFO] [stdout] = help: implement the missing item: `fn branch(self) -> ControlFlow<::Residual, ::Output> { todo!() }` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0046, E0220, E0407, E0437, E0576, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0046`. [INFO] [stdout] [INFO] [stderr] error: could not compile `epilog` (lib test) due to 12 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "207ddee2d2b85d2a36200aeca77847525d25a23499a02c07eaca658a244bd2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "207ddee2d2b85d2a36200aeca77847525d25a23499a02c07eaca658a244bd2b2", kill_on_drop: false }` [INFO] [stdout] 207ddee2d2b85d2a36200aeca77847525d25a23499a02c07eaca658a244bd2b2