[INFO] fetching crate zlo 0.1.0...
[INFO] testing zlo-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate zlo 0.1.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate zlo 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62970af7775f73c286e6bfcc4d30f0915dbaa160d25cd54b2ac48338ce8d4770
[INFO] running `Command { std: "docker" "start" "-a" "62970af7775f73c286e6bfcc4d30f0915dbaa160d25cd54b2ac48338ce8d4770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62970af7775f73c286e6bfcc4d30f0915dbaa160d25cd54b2ac48338ce8d4770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62970af7775f73c286e6bfcc4d30f0915dbaa160d25cd54b2ac48338ce8d4770", kill_on_drop: false }`
[INFO] [stdout] 62970af7775f73c286e6bfcc4d30f0915dbaa160d25cd54b2ac48338ce8d4770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674fc28b6e0460e637cdd194cc683d8e8f86348a13b8dd30ae53a3c4c6b90eac
[INFO] running `Command { std: "docker" "start" "-a" "674fc28b6e0460e637cdd194cc683d8e8f86348a13b8dd30ae53a3c4c6b90eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[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 associated function `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]    = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 79 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "674fc28b6e0460e637cdd194cc683d8e8f86348a13b8dd30ae53a3c4c6b90eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674fc28b6e0460e637cdd194cc683d8e8f86348a13b8dd30ae53a3c4c6b90eac", kill_on_drop: false }`
[INFO] [stdout] 674fc28b6e0460e637cdd194cc683d8e8f86348a13b8dd30ae53a3c4c6b90eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3bcc57f05ea69366c6280ae07f5c9b41a493f0275ddefc089f400e5b57404b1
[INFO] running `Command { std: "docker" "start" "-a" "f3bcc57f05ea69366c6280ae07f5c9b41a493f0275ddefc089f400e5b57404b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[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 associated function `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]    = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 79 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling zlo v0.1.0 (/opt/rustwide/workdir)
[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: function is never used: `f32_diff`
[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 is never used: `f64_diff`
[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 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 associated function `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]    = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 79 +     fn cause(&self) -> Option<&dyn error::Error> {
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `Command { std: "docker" "inspect" "f3bcc57f05ea69366c6280ae07f5c9b41a493f0275ddefc089f400e5b57404b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bcc57f05ea69366c6280ae07f5c9b41a493f0275ddefc089f400e5b57404b1", kill_on_drop: false }`
[INFO] [stdout] f3bcc57f05ea69366c6280ae07f5c9b41a493f0275ddefc089f400e5b57404b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94d40ef3b0c89597c6da9ae58c45a48c83f7a483bdcea3d8a86abe75809176ce
[INFO] running `Command { std: "docker" "start" "-a" "94d40ef3b0c89597c6da9ae58c45a48c83f7a483bdcea3d8a86abe75809176ce", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/de/mod.rs:84:24
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 84 |         let w = if a { (self.store >> self.shift) } else { 0 }
[INFO] [stdout] 
[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 associated function `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]    = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 79 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 79 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `zlo` (lib) generated 5 warnings
[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 is never used: `f32_diff`
[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 is never used: `f64_diff`
[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
[INFO] [stderr] warning: `zlo` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zlo-625e3493d2932b0c)
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-8170c96dc550b469)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test fuzzer_f32 ... ignored
[INFO] [stdout] test fuzzer_f64 ... ignored
[INFO] [stdout] test char_serialization ... ok
[INFO] [stdout] test deserializing_errors ... ok
[INFO] [stdout] test encode_box ... ok
[INFO] [stdout] test test_basic_struct ... ok
[INFO] [stdout] test path_buf ... ok
[INFO] [stdout] test serde_bytes ... ok
[INFO] [stdout] test test_cow_serialize ... ok
[INFO] [stdout] test test_enum ... ok
[INFO] [stdout] test test_fixed_size_array ... ok
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test test_multi_strings_serialize ... ok
[INFO] [stdout] test test_nested_struct ... ok
[INFO] [stdout] test test_numbers ... ok
[INFO] [stdout] test test_oom_protection ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_proxy_encoded_size ... ok
[INFO] [stdout] test test_size_predictions ... ok
[INFO] [stdout] test test_slicebox_serialize ... ok
[INFO] [stdout] test test_strbox_serialize ... ok
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] test test_struct_tuple ... ok
[INFO] [stdout] test test_struct_newtype ... ok
[INFO] [stdout] test test_tuple ... ok
[INFO] [stdout] test test_unicode ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] test too_big_char_deserialize ... ok
[INFO] [stdout] test too_big_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zlo
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/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]   --> /opt/rustwide/workdir/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] [stdout]     |                    ^^^ private field
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 1.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "94d40ef3b0c89597c6da9ae58c45a48c83f7a483bdcea3d8a86abe75809176ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d40ef3b0c89597c6da9ae58c45a48c83f7a483bdcea3d8a86abe75809176ce", kill_on_drop: false }`
[INFO] [stdout] 94d40ef3b0c89597c6da9ae58c45a48c83f7a483bdcea3d8a86abe75809176ce