[INFO] fetching crate epilog 0.1.0...
[INFO] checking epilog-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proptest v0.9.6 (latest: v1.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding rusty-fork v0.2.2 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5e9f21173a15a1b8983a8e5871a42847fed7514ba22d7bf2e00c1d44dfbcfb
[INFO] running `Command { std: "docker" "start" "-a" "7d5e9f21173a15a1b8983a8e5871a42847fed7514ba22d7bf2e00c1d44dfbcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5e9f21173a15a1b8983a8e5871a42847fed7514ba22d7bf2e00c1d44dfbcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5e9f21173a15a1b8983a8e5871a42847fed7514ba22d7bf2e00c1d44dfbcfb", kill_on_drop: false }`
[INFO] [stdout] 7d5e9f21173a15a1b8983a8e5871a42847fed7514ba22d7bf2e00c1d44dfbcfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ff53ee31045e68a207ea5e34f364f9a39cedc0d29630082502d34ef90a2973
[INFO] running `Command { std: "docker" "start" "-a" "55ff53ee31045e68a207ea5e34f364f9a39cedc0d29630082502d34ef90a2973", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking epilog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.3
[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 2024-04-23; 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 2024-04-23; 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" "55ff53ee31045e68a207ea5e34f364f9a39cedc0d29630082502d34ef90a2973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ff53ee31045e68a207ea5e34f364f9a39cedc0d29630082502d34ef90a2973", kill_on_drop: false }`
[INFO] [stdout] 55ff53ee31045e68a207ea5e34f364f9a39cedc0d29630082502d34ef90a2973
[INFO] checking epilog-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proptest v0.9.6 (latest: v1.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding rusty-fork v0.2.2 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7acc691a4a10dce96bb977273f1f7ed3f339a9bee70795c9b63716b2beaefcc1
[INFO] running `Command { std: "docker" "start" "-a" "7acc691a4a10dce96bb977273f1f7ed3f339a9bee70795c9b63716b2beaefcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7acc691a4a10dce96bb977273f1f7ed3f339a9bee70795c9b63716b2beaefcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acc691a4a10dce96bb977273f1f7ed3f339a9bee70795c9b63716b2beaefcc1", kill_on_drop: false }`
[INFO] [stdout] 7acc691a4a10dce96bb977273f1f7ed3f339a9bee70795c9b63716b2beaefcc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00fc7286190da4942d7fca44f7eb1a4838fee8e862566433e4d45fbf5b2a7ea
[INFO] running `Command { std: "docker" "start" "-a" "c00fc7286190da4942d7fca44f7eb1a4838fee8e862566433e4d45fbf5b2a7ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking epilog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bit-set v0.5.3
[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 2024-04-23; 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 2024-04-23; 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" "c00fc7286190da4942d7fca44f7eb1a4838fee8e862566433e4d45fbf5b2a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00fc7286190da4942d7fca44f7eb1a4838fee8e862566433e4d45fbf5b2a7ea", kill_on_drop: false }`
[INFO] [stdout] c00fc7286190da4942d7fca44f7eb1a4838fee8e862566433e4d45fbf5b2a7ea
