[INFO] fetching crate option_trait 0.1.3...
[INFO] checking option_trait-0.1.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate option_trait 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate option_trait 0.1.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate option_trait 0.1.3
[INFO] finished tweaking crates.io crate option_trait 0.1.3
[INFO] tweaked toml for crates.io crate option_trait 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 013784e4b125b3cbac66ee1fb0244ccb5e6711fbea43d3a4943e495b8d3e17b2
[INFO] running `Command { std: "docker" "start" "-a" "013784e4b125b3cbac66ee1fb0244ccb5e6711fbea43d3a4943e495b8d3e17b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013784e4b125b3cbac66ee1fb0244ccb5e6711fbea43d3a4943e495b8d3e17b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013784e4b125b3cbac66ee1fb0244ccb5e6711fbea43d3a4943e495b8d3e17b2", kill_on_drop: false }`
[INFO] [stdout] 013784e4b125b3cbac66ee1fb0244ccb5e6711fbea43d3a4943e495b8d3e17b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f5c935402058dea283875fbed9729d5db7d939852096b5050da6323ac0f1706
[INFO] running `Command { std: "docker" "start" "-a" "0f5c935402058dea283875fbed9729d5db7d939852096b5050da6323ac0f1706", kill_on_drop: false }`
[INFO] [stderr]     Checking option_trait v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait Some<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub trait None<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Self as OptionObj>::is_some` in constant functions
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         if self.is_some()
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait Some<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub trait None<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Self as OptionObj>::is_some` in constant functions
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         if self.is_some()
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `option_trait` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `option_trait` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0f5c935402058dea283875fbed9729d5db7d939852096b5050da6323ac0f1706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5c935402058dea283875fbed9729d5db7d939852096b5050da6323ac0f1706", kill_on_drop: false }`
[INFO] [stdout] 0f5c935402058dea283875fbed9729d5db7d939852096b5050da6323ac0f1706
[INFO] checking option_trait-0.1.3 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate option_trait 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate option_trait 0.1.3 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate option_trait 0.1.3
[INFO] finished tweaking crates.io crate option_trait 0.1.3
[INFO] tweaked toml for crates.io crate option_trait 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86927bd354e25bcca9df076f7eee3f5560d85917ab38eec5b83313bd5b9cac2d
[INFO] running `Command { std: "docker" "start" "-a" "86927bd354e25bcca9df076f7eee3f5560d85917ab38eec5b83313bd5b9cac2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86927bd354e25bcca9df076f7eee3f5560d85917ab38eec5b83313bd5b9cac2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86927bd354e25bcca9df076f7eee3f5560d85917ab38eec5b83313bd5b9cac2d", kill_on_drop: false }`
[INFO] [stdout] 86927bd354e25bcca9df076f7eee3f5560d85917ab38eec5b83313bd5b9cac2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c131239916d2da8d2ecb5ca401e1518f2db7625dabed1742e2d7707fcae85b
[INFO] running `Command { std: "docker" "start" "-a" "c2c131239916d2da8d2ecb5ca401e1518f2db7625dabed1742e2d7707fcae85b", kill_on_drop: false }`
[INFO] [stderr]     Checking option_trait v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait Some<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub trait None<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait Some<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `OptionKind` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub trait None<const OPTION: OptionKind>: Optional {}
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 10  + #[derive(ConstParamTy)]
[INFO] [stdout] 11  | pub enum OptionKind
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Self as OptionObj>::is_some` in constant functions
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         if self.is_some()
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Self as OptionObj>::is_some` in constant functions
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         if self.is_some()
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `option_trait` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0015, E0741.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `option_trait` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c2c131239916d2da8d2ecb5ca401e1518f2db7625dabed1742e2d7707fcae85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c131239916d2da8d2ecb5ca401e1518f2db7625dabed1742e2d7707fcae85b", kill_on_drop: false }`
[INFO] [stdout] c2c131239916d2da8d2ecb5ca401e1518f2db7625dabed1742e2d7707fcae85b
