[INFO] fetching crate undefined 0.1.3...
[INFO] testing undefined-0.1.3 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate undefined 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate undefined 0.1.3
[INFO] finished tweaking crates.io crate undefined 0.1.3
[INFO] tweaked toml for crates.io crate undefined 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate undefined 0.1.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 128 packages to highest compatible versions
[INFO] [stderr]       Adding juniper v0.15.12 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling futures-core v0.3.34
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling slab v0.4.12
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[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling diesel_derives v2.3.10
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[INFO] [stderr]    Compiling futures-channel v0.3.34
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[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling downcast-rs v2.0.2
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[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling futures v0.3.34
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[INFO] [stderr]    Compiling icu_properties v2.3.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling bson v1.2.4
[INFO] [stderr]    Compiling idna_adapter v1.2.2
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[INFO] [stderr]    Compiling diesel v2.3.13
[INFO] [stderr]    Compiling undefined v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]  --> src/optional.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diesel::AsExpression`
[INFO] [stdout]  --> src/optional.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use diesel::AsExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/optional.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `cmp`, `convert`, `hint`, `mem`, `self`, and `slice`
[INFO] [stdout]   --> src/optional.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     cmp, convert, hint, mem,
[INFO] [stdout]    |     ^^^  ^^^^^^^  ^^^^  ^^^
[INFO] [stdout]  9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 10 |     slice,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromIterator`
[INFO] [stdout]  --> src/optional.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FusedIterator`
[INFO] [stdout]  --> src/optional.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/optional.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/optional.rs:9:37
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.42s
[INFO] running `Command { std: "docker" "inspect" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling undefined v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]  --> src/optional.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diesel::AsExpression`
[INFO] [stdout]  --> src/optional.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use diesel::AsExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/optional.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `cmp`, `convert`, `hint`, `mem`, `self`, and `slice`
[INFO] [stdout]   --> src/optional.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     cmp, convert, hint, mem,
[INFO] [stdout]    |     ^^^  ^^^^^^^  ^^^^  ^^^
[INFO] [stdout]  9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 10 |     slice,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromIterator`
[INFO] [stdout]  --> src/optional.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FusedIterator`
[INFO] [stdout]  --> src/optional.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/optional.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/optional.rs:9:37
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]   --> src/optional.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stdout]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]  --> src/optional.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diesel::AsExpression`
[INFO] [stdout]  --> src/optional.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use diesel::AsExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `FusedIterator`, and `self`
[INFO] [stdout]  --> src/optional.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `DerefMut`, `Deref`, `cmp`, `convert`, `hint`, `mem`, `self`, and `slice`
[INFO] [stdout]   --> src/optional.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     cmp, convert, hint, mem,
[INFO] [stdout]    |     ^^^  ^^^^^^^  ^^^^  ^^^
[INFO] [stdout]  9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stdout]    |           ^^^^  ^^^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 10 |     slice,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]   --> src/optional.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stderr]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]   --> src/optional.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `juniper` and `serde`
[INFO] [stderr]    = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::default`
[INFO] [stderr]  --> src/optional.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::default;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `diesel::AsExpression`
[INFO] [stderr]  --> src/optional.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use diesel::AsExpression;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/optional.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ControlFlow`, `cmp`, `convert`, `hint`, `mem`, `self`, and `slice`
[INFO] [stderr]   --> src/optional.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 |     cmp, convert, hint, mem,
[INFO] [stderr]    |     ^^^  ^^^^^^^  ^^^^  ^^^
[INFO] [stderr]  9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stderr]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 10 |     slice,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromIterator`
[INFO] [stderr]  --> src/optional.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stderr]   |                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FusedIterator`
[INFO] [stderr]  --> src/optional.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deref`
[INFO] [stderr]  --> src/optional.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DerefMut`
[INFO] [stderr]  --> src/optional.rs:9:37
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stderr]   |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromIterator`, `FusedIterator`, and `self`
[INFO] [stderr]  --> src/optional.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::{self, FromIterator, FusedIterator};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ControlFlow`, `DerefMut`, `Deref`, `cmp`, `convert`, `hint`, `mem`, `self`, and `slice`
[INFO] [stderr]   --> src/optional.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 |     cmp, convert, hint, mem,
[INFO] [stderr]    |     ^^^  ^^^^^^^  ^^^^  ^^^
[INFO] [stderr]  9 |     ops::{self, ControlFlow, Deref, DerefMut},
[INFO] [stderr]    |           ^^^^  ^^^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stderr] 10 |     slice,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `undefined` (lib) generated 10 warnings (run `cargo fix --lib -p undefined` to apply 4 suggestions)
[INFO] [stderr] warning: `undefined` (lib test) generated 6 warnings (4 duplicates) (run `cargo fix --lib -p undefined --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/undefined-0a36f1c9ab16084f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests undefined
[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 5 tests
[INFO] [stdout] test src/optional.rs - optional::Optional<T>::is_def (line 87) ... ok
[INFO] [stdout] test src/optional.rs - optional::Optional<T>::map_def_or (line 313) ... ok
[INFO] [stdout] test src/optional.rs - optional::Optional<T>::is_def_and (line 108) ... ok
[INFO] [stdout] test src/optional.rs - optional::Optional<T>::def_or (line 289) ... ok
[INFO] [stdout] test src/optional.rs - optional::Optional<T>::is_null (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615", kill_on_drop: false }`
[INFO] [stdout] 466888f32baab067087b347859a4ba1dddb0ce334ca16e4098f4f49094fea615
