[INFO] fetching crate epilog 0.1.0...
[INFO] checking epilog-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded proptest v0.9.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 643a421aa3ef3edd8ef8efe438ce84af281a35129c333ce2384a7ade414e322c
[INFO] running `Command { std: "docker" "start" "-a" "643a421aa3ef3edd8ef8efe438ce84af281a35129c333ce2384a7ade414e322c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "643a421aa3ef3edd8ef8efe438ce84af281a35129c333ce2384a7ade414e322c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643a421aa3ef3edd8ef8efe438ce84af281a35129c333ce2384a7ade414e322c", kill_on_drop: false }`
[INFO] [stdout] 643a421aa3ef3edd8ef8efe438ce84af281a35129c333ce2384a7ade414e322c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d8628c80877eca2b61b4437ae9c29bf40e4eeeb36930348b873419235e3f81
[INFO] running `Command { std: "docker" "start" "-a" "e9d8628c80877eca2b61b4437ae9c29bf40e4eeeb36930348b873419235e3f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking epilog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[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<CowSub<'a, K, V>>;
[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<<Self as Try>::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: <Self as Try>::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<<Self as Try>::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: <Self as Try>::Ok) -> Self {
[INFO] [stdout]    |                                    ^^ not found in `Try`
[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 <https://github.com/rust-lang/rust/issues/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 2024-02-18; 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 <https://github.com/rust-lang/rust/issues/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 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[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<<Self as Try>::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(_: <Self as Try>::Output) -> Self { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn branch(self) -> ControlFlow<<Self as Try>::Residual, <Self as Try>::Output> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[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 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "e9d8628c80877eca2b61b4437ae9c29bf40e4eeeb36930348b873419235e3f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d8628c80877eca2b61b4437ae9c29bf40e4eeeb36930348b873419235e3f81", kill_on_drop: false }`
[INFO] [stdout] e9d8628c80877eca2b61b4437ae9c29bf40e4eeeb36930348b873419235e3f81
[INFO] checking epilog-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a81e36fc29a066532134633414b2a5d2db5f8d5c049094b45b52028ef486e77
[INFO] running `Command { std: "docker" "start" "-a" "8a81e36fc29a066532134633414b2a5d2db5f8d5c049094b45b52028ef486e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a81e36fc29a066532134633414b2a5d2db5f8d5c049094b45b52028ef486e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a81e36fc29a066532134633414b2a5d2db5f8d5c049094b45b52028ef486e77", kill_on_drop: false }`
[INFO] [stdout] 8a81e36fc29a066532134633414b2a5d2db5f8d5c049094b45b52028ef486e77
[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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743dba304ed775191c621e3ef389c7cdcac55a94ea343049a102db718162b5c9
[INFO] running `Command { std: "docker" "start" "-a" "743dba304ed775191c621e3ef389c7cdcac55a94ea343049a102db718162b5c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking epilog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[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<CowSub<'a, K, V>>;
[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<<Self as Try>::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: <Self as Try>::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<<Self as Try>::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: <Self as Try>::Ok) -> Self {
[INFO] [stdout]    |                                    ^^ not found in `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:23:54
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 prop::collection::vec(inner.clone(), 0..fanout as usize)
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 prop::collection::hash_map((0..size).prop_map(L), inner, 0..fanout as usize)
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:28:74
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 prop::collection::hash_map((0..size).prop_map(L), inner, 0..fanout as usize)
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |         2 => (0..size).prop_map(|l| Term::Lit(L(l))),
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |         1 => (0..size).prop_map(|v| Term::Var(Var::User(V(v)))),
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |         1 => (0..size).prop_map(|v| Term::Var(Var::Auto(v))),
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |         (0..size).prop_map(|v| Var::User(V(v))),
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |         (0..size).prop_map(|v| Var::Auto(v)),
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/strats/ast.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ], ast(levels, size, fanout), 0..size as usize).prop_map(Sub::from)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> src/tests/props/ast.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 |         vec in prop::collection::vec(ast(8, 30, 10), 0..30),
[INFO] [stdout]   |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:21:44
[INFO] [stdout]    |
[INFO] [stdout] 21 |         map in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:21:83
[INFO] [stdout]    |
[INFO] [stdout] 21 |         map in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |         vecl in prop::collection::vec(ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:36:55
[INFO] [stdout]    |
[INFO] [stdout] 36 |         vecr in prop::collection::vec(ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:48:45
[INFO] [stdout]    |
[INFO] [stdout] 48 |         mapl in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:48:84
[INFO] [stdout]    |
[INFO] [stdout] 48 |         mapl in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                                                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |         mapr in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/tests/props/ast.rs:49:84
[INFO] [stdout]    |
[INFO] [stdout] 49 |         mapr in prop::collection::hash_map((0..30u32).prop_map(L), ast(8, 30, 10), 0..30),
[INFO] [stdout]    |                                                                                    ^^^^^
[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 <https://github.com/rust-lang/rust/issues/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 2024-02-18; 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 <https://github.com/rust-lang/rust/issues/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 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[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<<Self as Try>::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(_: <Self as Try>::Output) -> Self { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn branch(self) -> ControlFlow<<Self as Try>::Residual, <Self as Try>::Output> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 18 warnings emitted
[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 13 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "743dba304ed775191c621e3ef389c7cdcac55a94ea343049a102db718162b5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743dba304ed775191c621e3ef389c7cdcac55a94ea343049a102db718162b5c9", kill_on_drop: false }`
[INFO] [stdout] 743dba304ed775191c621e3ef389c7cdcac55a94ea343049a102db718162b5c9
