[INFO] fetching crate epilog 0.1.0... [INFO] testing epilog-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate epilog 0.1.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate epilog 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea85ac4c84fa796e5180d6b12958f71898d8bf1079f113498e1573fca8f43cf5 [INFO] running `Command { std: "docker" "start" "-a" "ea85ac4c84fa796e5180d6b12958f71898d8bf1079f113498e1573fca8f43cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea85ac4c84fa796e5180d6b12958f71898d8bf1079f113498e1573fca8f43cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea85ac4c84fa796e5180d6b12958f71898d8bf1079f113498e1573fca8f43cf5", kill_on_drop: false }` [INFO] [stdout] ea85ac4c84fa796e5180d6b12958f71898d8bf1079f113498e1573fca8f43cf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b055c5012acb995a46da622fad4699902ae2c1bfc0cae56d15808c913c8458b [INFO] running `Command { std: "docker" "start" "-a" "3b055c5012acb995a46da622fad4699902ae2c1bfc0cae56d15808c913c8458b", kill_on_drop: false }` [INFO] [stderr] Compiling epilog v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "3b055c5012acb995a46da622fad4699902ae2c1bfc0cae56d15808c913c8458b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b055c5012acb995a46da622fad4699902ae2c1bfc0cae56d15808c913c8458b", kill_on_drop: false }` [INFO] [stdout] 3b055c5012acb995a46da622fad4699902ae2c1bfc0cae56d15808c913c8458b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c1078cc4736713827fbf099eebaaf7ae5314ae0da806c5f6e9f14a89036a9aa [INFO] running `Command { std: "docker" "start" "-a" "7c1078cc4736713827fbf099eebaaf7ae5314ae0da806c5f6e9f14a89036a9aa", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rusty-fork v0.2.2 [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] 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] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, feature(try_trait))] [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 for more information [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] [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: aborting due to 11 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0220, E0407, E0437, E0554, E0576, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0220`. [INFO] [stdout] [INFO] [stderr] error: could not compile `epilog` due to 12 previous errors [INFO] running `Command { std: "docker" "inspect" "7c1078cc4736713827fbf099eebaaf7ae5314ae0da806c5f6e9f14a89036a9aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1078cc4736713827fbf099eebaaf7ae5314ae0da806c5f6e9f14a89036a9aa", kill_on_drop: false }` [INFO] [stdout] 7c1078cc4736713827fbf099eebaaf7ae5314ae0da806c5f6e9f14a89036a9aa