[INFO] fetching crate zlo 0.1.0...
[INFO] testing zlo-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate zlo 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate zlo 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zlo 0.1.0
[INFO] finished tweaking crates.io crate zlo 0.1.0
[INFO] tweaked toml for crates.io crate zlo 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding serde_bytes v0.10.5 (latest: v0.11.14)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 075d72cb88e271c4ec1581f7ea25d82f6a0948caa7a2f5c2de5af93c9860f47f
[INFO] running `Command { std: "docker" "start" "-a" "075d72cb88e271c4ec1581f7ea25d82f6a0948caa7a2f5c2de5af93c9860f47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075d72cb88e271c4ec1581f7ea25d82f6a0948caa7a2f5c2de5af93c9860f47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075d72cb88e271c4ec1581f7ea25d82f6a0948caa7a2f5c2de5af93c9860f47f", kill_on_drop: false }`
[INFO] [stdout] 075d72cb88e271c4ec1581f7ea25d82f6a0948caa7a2f5c2de5af93c9860f47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e436ec7357a4654d77285980a373de919faa2d0a2abe553c3130eea13610b0fe
[INFO] running `Command { std: "docker" "start" "-a" "e436ec7357a4654d77285980a373de919faa2d0a2abe553c3130eea13610b0fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling zlo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout]    |                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout] 84 +         let w = if a { self.store >> self.shift } else { 0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout]    |                            ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout] 85 +             | (s << if a { 8 - self.shift } else { 0 });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:434:29
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]    --> src/de/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         impl<'de, 'a, R: 'a, S> serde::de::EnumAccess<'de>
[INFO] [stdout] 318 | |             for &'a mut Deserializer<R, S>
[INFO] [stdout] 319 | |         where
[INFO] [stdout] 320 | |             R: Read,
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |             }
[INFO] [stdout] 337 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: move this `impl` block outside the of the current method `deserialize_enum`
[INFO] [stdout]     = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "e436ec7357a4654d77285980a373de919faa2d0a2abe553c3130eea13610b0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e436ec7357a4654d77285980a373de919faa2d0a2abe553c3130eea13610b0fe", kill_on_drop: false }`
[INFO] [stdout] e436ec7357a4654d77285980a373de919faa2d0a2abe553c3130eea13610b0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdae80d5ba5125054e017178e733038996cfb18e405658b2149ab5072eaa596
[INFO] running `Command { std: "docker" "start" "-a" "3cdae80d5ba5125054e017178e733038996cfb18e405658b2149ab5072eaa596", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout]    |                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout] 84 +         let w = if a { self.store >> self.shift } else { 0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout]    |                            ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout] 85 +             | (s << if a { 8 - self.shift } else { 0 });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:434:29
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]    --> src/de/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         impl<'de, 'a, R: 'a, S> serde::de::EnumAccess<'de>
[INFO] [stdout] 318 | |             for &'a mut Deserializer<R, S>
[INFO] [stdout] 319 | |         where
[INFO] [stdout] 320 | |             R: Read,
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |             }
[INFO] [stdout] 337 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: move this `impl` block outside the of the current method `deserialize_enum`
[INFO] [stdout]     = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zlo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout]    |                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout] 84 +         let w = if a { self.store >> self.shift } else { 0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/de/mod.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout]    |                            ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stdout] 85 +             | (s << if a { 8 - self.shift } else { 0 });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:434:29
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zlo::Infinite`
[INFO] [stdout]  --> examples/float_delta.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zlo::Infinite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zlo::deserialize`
[INFO] [stdout]  --> examples/float_delta.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use zlo::deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zlo::serialize`
[INFO] [stdout]  --> examples/float_delta.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use zlo::serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_diff` is never used
[INFO] [stdout]  --> examples/float_delta.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn f32_diff(a: f32, b: f32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f64_diff` is never used
[INFO] [stdout]   --> examples/float_delta.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn f64_diff(a: f64, b: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/test.rs:193:6
[INFO] [stdout]     |
[INFO] [stdout] 193 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]    --> src/de/mod.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         impl<'de, 'a, R: 'a, S> serde::de::EnumAccess<'de>
[INFO] [stdout] 318 | |             for &'a mut Deserializer<R, S>
[INFO] [stdout] 319 | |         where
[INFO] [stdout] 320 | |             R: Read,
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |             }
[INFO] [stdout] 337 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: move this `impl` block outside the of the current method `deserialize_enum`
[INFO] [stdout]     = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "3cdae80d5ba5125054e017178e733038996cfb18e405658b2149ab5072eaa596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdae80d5ba5125054e017178e733038996cfb18e405658b2149ab5072eaa596", kill_on_drop: false }`
[INFO] [stdout] 3cdae80d5ba5125054e017178e733038996cfb18e405658b2149ab5072eaa596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec80886dff8df85f8e5ad2f9fd0b19df931540d28fe335d2bdddd18a3ce7684f
[INFO] running `Command { std: "docker" "start" "-a" "ec80886dff8df85f8e5ad2f9fd0b19df931540d28fe335d2bdddd18a3ce7684f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/de/mod.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stderr]    |                        ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 84 -         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stderr] 84 +         let w = if a { self.store >> self.shift } else { 0 }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/de/mod.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stderr]    |                            ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stderr] 85 +             | (s << if a { 8 - self.shift } else { 0 });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/de/mod.rs:434:29
[INFO] [stderr]     |
[INFO] [stderr] 434 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:70:49
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:32
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stderr]    --> src/de/mod.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 | /         impl<'de, 'a, R: 'a, S> serde::de::EnumAccess<'de>
[INFO] [stderr] 318 | |             for &'a mut Deserializer<R, S>
[INFO] [stderr] 319 | |         where
[INFO] [stderr] 320 | |             R: Read,
[INFO] [stderr] ...   |
[INFO] [stderr] 336 | |             }
[INFO] [stderr] 337 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: move this `impl` block outside the of the current method `deserialize_enum`
[INFO] [stderr]     = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]     = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stderr]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stderr]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zlo` (lib) generated 6 warnings (run `cargo fix --lib -p zlo` to apply 3 suggestions)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/test.rs:193:6
[INFO] [stderr]     |
[INFO] [stderr] 193 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zlo::Infinite`
[INFO] [stderr]  --> examples/float_delta.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use zlo::Infinite;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zlo::deserialize`
[INFO] [stderr]  --> examples/float_delta.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use zlo::deserialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zlo::serialize`
[INFO] [stderr]  --> examples/float_delta.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use zlo::serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `f32_diff` is never used
[INFO] [stderr]  --> examples/float_delta.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn f32_diff(a: f32, b: f32) -> f32 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `f64_diff` is never used
[INFO] [stderr]   --> examples/float_delta.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn f64_diff(a: f64, b: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zlo` (test "test") generated 1 warning
[INFO] [stderr] warning: `zlo` (example "float_delta") generated 5 warnings (run `cargo fix --example "float_delta"` to apply 3 suggestions)
[INFO] [stderr] warning: `zlo` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zlo-7f2d9ffaf320153e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-0346f20ec8e597a4)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test fuzzer_f32 ... ignored
[INFO] [stdout] test fuzzer_f64 ... ignored
[INFO] [stdout] test test_multi_strings_serialize ... ok
[INFO] [stdout] test test_nested_struct ... ok
[INFO] [stdout] test test_enum ... ok
[INFO] [stdout] test path_buf ... ok
[INFO] [stdout] test deserializing_errors ... ok
[INFO] [stdout] test serde_bytes ... ok
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_proxy_encoded_size ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_basic_struct ... ok
[INFO] [stdout] test test_size_predictions ... ok
[INFO] [stdout] test encode_box ... ok
[INFO] [stdout] test test_cow_serialize ... ok
[INFO] [stdout] test test_struct_newtype ... ok
[INFO] [stdout] test test_strbox_serialize ... ok
[INFO] [stdout] test test_slicebox_serialize ... ok
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] test char_serialization ... ok
[INFO] [stdout] test test_fixed_size_array ... ok
[INFO] [stdout] test test_oom_protection ... ok
[INFO] [stdout] test test_unicode ... ok
[INFO] [stdout] test too_big_char_deserialize ... ok
[INFO] [stdout] test too_big_serialize ... ok
[INFO] [stdout] test test_struct_tuple ... ok
[INFO] [stdout] test test_tuple ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] test test_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zlo
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/de/mod.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stderr]    |                        ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 84 -         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stderr] 84 +         let w = if a { self.store >> self.shift } else { 0 }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/de/mod.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stderr]    |                            ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -             | (s << if a { (8 - self.shift) } else { 0 });
[INFO] [stderr] 85 +             | (s << if a { 8 - self.shift } else { 0 });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/de/mod.rs - de::Deserializer (line 16) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/lib.rs:15:17
[INFO] [stdout]     |
[INFO] [stdout] 8   |     let limit = Bounded(20);
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:295:20
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub struct Bounded(u64);
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]     |                    ^^^ private field
[INFO] [stdout] help: you might have meant to use an associated function to build this type
[INFO] [stdout]     |
[INFO] [stdout] 8   |     let limit = Bounded::new_bits(_);
[INFO] [stdout]     |                        ~~~~~~~~~~~~~
[INFO] [stdout] 8   |     let limit = Bounded::new_bytes(_);
[INFO] [stdout]     |                        ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec80886dff8df85f8e5ad2f9fd0b19df931540d28fe335d2bdddd18a3ce7684f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec80886dff8df85f8e5ad2f9fd0b19df931540d28fe335d2bdddd18a3ce7684f", kill_on_drop: false }`
[INFO] [stdout] ec80886dff8df85f8e5ad2f9fd0b19df931540d28fe335d2bdddd18a3ce7684f
