[INFO] fetching crate enum-primitive-derive-nostd 0.2.2...
[INFO] testing enum-primitive-derive-nostd-0.2.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate enum-primitive-derive-nostd 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate enum-primitive-derive-nostd 0.2.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-primitive-derive-nostd 0.2.2
[INFO] finished tweaking crates.io crate enum-primitive-derive-nostd 0.2.2
[INFO] tweaked toml for crates.io crate enum-primitive-derive-nostd 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5c2e4ab657d7c33aaa736117e6a667aabfd12e91a4f846a7a71fc0e4d1baf7d
[INFO] running `Command { std: "docker" "start" "-a" "b5c2e4ab657d7c33aaa736117e6a667aabfd12e91a4f846a7a71fc0e4d1baf7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c2e4ab657d7c33aaa736117e6a667aabfd12e91a4f846a7a71fc0e4d1baf7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c2e4ab657d7c33aaa736117e6a667aabfd12e91a4f846a7a71fc0e4d1baf7d", kill_on_drop: false }`
[INFO] [stdout] b5c2e4ab657d7c33aaa736117e6a667aabfd12e91a4f846a7a71fc0e4d1baf7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59464d9d2aec9c1734a33ede39c344c42b8fd4542772705575dd7ca547507ff0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59464d9d2aec9c1734a33ede39c344c42b8fd4542772705575dd7ca547507ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling enum-primitive-derive-nostd v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "59464d9d2aec9c1734a33ede39c344c42b8fd4542772705575dd7ca547507ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59464d9d2aec9c1734a33ede39c344c42b8fd4542772705575dd7ca547507ff0", kill_on_drop: false }`
[INFO] [stdout] 59464d9d2aec9c1734a33ede39c344c42b8fd4542772705575dd7ca547507ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fff496fc3f5c92c6b59b6591a96ab3e4cae13a7393c32249403980119e0dbcc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0fff496fc3f5c92c6b59b6591a96ab3e4cae13a7393c32249403980119e0dbcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-primitive-derive-nostd v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0fff496fc3f5c92c6b59b6591a96ab3e4cae13a7393c32249403980119e0dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fff496fc3f5c92c6b59b6591a96ab3e4cae13a7393c32249403980119e0dbcc", kill_on_drop: false }`
[INFO] [stdout] 0fff496fc3f5c92c6b59b6591a96ab3e4cae13a7393c32249403980119e0dbcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61203e64c688b93eaade120a4ce7da24872ef4ded22d26db89cc84ee834aa3ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61203e64c688b93eaade120a4ce7da24872ef4ded22d26db89cc84ee834aa3ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enum_primitive_derive_nostd-b42f20473d9e68a1)
[INFO] [stdout] 
[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] [stderr]    Doc-tests enum-primitive-derive-nostd
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 84) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 84) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `enum_primitive_derive`
[INFO] [stdout]  --> src/lib.rs:85:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use enum_primitive_derive::Primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `enum_primitive_derive`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Primitive`
[INFO] [stdout]  --> src/lib.rs:88:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Eq, PartialEq, Primitive)]
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Foo: From<{integer}>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:96:15
[INFO] [stdout]     |
[INFO] [stdout] 13  |     let bar = Foo::try_from(32);
[INFO] [stdout]     |               ^^^^^^^^^^^^^ the trait `From<{integer}>` is not implemented for `Foo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<Foo>` for `{integer}`
[INFO] [stdout]     = note: required because of the requirements on the impl of `TryFrom<{integer}>` for `Foo`
[INFO] [stdout] note: required by `try_from`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Foo: From<{integer}>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:99:16
[INFO] [stdout]     |
[INFO] [stdout] 16  |     let dead = Foo::try_from(42);
[INFO] [stdout]     |                ^^^^^^^^^^^^^ the trait `From<{integer}>` is not implemented for `Foo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<Foo>` for `{integer}`
[INFO] [stdout]     = note: required because of the requirements on the impl of `TryFrom<{integer}>` for `Foo`
[INFO] [stdout] note: required by `try_from`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Foo: From<{integer}>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 19  |     let unknown = Foo::try_from(12);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^ the trait `From<{integer}>` is not implemented for `Foo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<Foo>` for `{integer}`
[INFO] [stdout]     = note: required because of the requirements on the impl of `TryFrom<{integer}>` for `Foo`
[INFO] [stdout] note: required by `try_from`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 57) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `enum_primitive_derive`
[INFO] [stdout]  --> src/lib.rs:58:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use enum_primitive_derive::Primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `enum_primitive_derive`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Primitive`
[INFO] [stdout]  --> src/lib.rs:65:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Debug, Eq, PartialEq, Primitive)]
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_isize` found for enum `BindGenLike` in the current scope
[INFO] [stdout]   --> src/lib.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum BindGenLike {
[INFO] [stdout]    | ---------------- variant or associated item `from_isize` not found here
[INFO] [stdout] ...
[INFO] [stdout] 17 |     assert_eq!(BindGenLike::from_isize(4), Some(BindGenLike::GHI));
[INFO] [stdout]    |                             ^^^^^^^^^^ variant or associated item not found in `BindGenLike`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_isize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_u32` found for enum `BindGenLike` in the current scope
[INFO] [stdout]   --> src/lib.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum BindGenLike {
[INFO] [stdout]    | ---------------- variant or associated item `from_u32` not found here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     assert_eq!(BindGenLike::from_u32(2), Some(BindGenLike::DEF));
[INFO] [stdout]    |                             ^^^^^^^^ variant or associated item not found in `BindGenLike`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_u32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_u32` found for enum `BindGenLike` in the current scope
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum BindGenLike {
[INFO] [stdout]    | ---------------- variant or associated item `from_u32` not found here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     assert_eq!(BindGenLike::from_u32(8), None);
[INFO] [stdout]    |                             ^^^^^^^^ variant or associated item not found in `BindGenLike`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_u32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_u32` found for enum `BindGenLike` in the current scope
[INFO] [stdout]   --> src/lib.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum BindGenLike {
[INFO] [stdout]    | ---------------- method `to_u32` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 22 |     assert_eq!(abc.to_u32(), Some(1));
[INFO] [stdout]    |                    ^^^^^^ method not found in `BindGenLike`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_u32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 30) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `enum_primitive_derive`
[INFO] [stdout]  --> src/lib.rs:31:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use enum_primitive_derive::Primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `enum_primitive_derive`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Primitive`
[INFO] [stdout]  --> src/lib.rs:34:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Eq, PartialEq, Primitive)]
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_i32` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- variant or associated item `from_i32` not found here
[INFO] [stdout] ...
[INFO] [stdout] 13 |     assert_eq!(Foo::from_i32(32), Some(Foo::Bar));
[INFO] [stdout]    |                     ^^^^^^^^ variant or associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_i32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_i32` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- variant or associated item `from_i32` not found here
[INFO] [stdout] ...
[INFO] [stdout] 14 |     assert_eq!(Foo::from_i32(42), Some(Foo::Dead));
[INFO] [stdout]    |                     ^^^^^^^^ variant or associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_i32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_i64` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- variant or associated item `from_i64` not found here
[INFO] [stdout] ...
[INFO] [stdout] 15 |     assert_eq!(Foo::from_i64(50), Some(Foo::Beef));
[INFO] [stdout]    |                     ^^^^^^^^ variant or associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_i64`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_isize` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- variant or associated item `from_isize` not found here
[INFO] [stdout] ...
[INFO] [stdout] 16 |     assert_eq!(Foo::from_isize(17), None);
[INFO] [stdout]    |                     ^^^^^^^^^^ variant or associated item not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `from_isize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_i32` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- method `to_i32` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 19 |     assert_eq!(bar.to_i32(), Some(32));
[INFO] [stdout]    |                    ^^^^^^ method not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_i32`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_isize` found for enum `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Foo {
[INFO] [stdout]    | -------- method `to_isize` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 22 |     assert_eq!(dead.to_isize(), Some(42));
[INFO] [stdout]    |                     ^^^^^^^^ method not found in `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_isize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToPrimitive`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 30)
[INFO] [stdout]     src/lib.rs - (line 57)
[INFO] [stdout]     src/lib.rs - (line 84)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "61203e64c688b93eaade120a4ce7da24872ef4ded22d26db89cc84ee834aa3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61203e64c688b93eaade120a4ce7da24872ef4ded22d26db89cc84ee834aa3ad", kill_on_drop: false }`
[INFO] [stdout] 61203e64c688b93eaade120a4ce7da24872ef4ded22d26db89cc84ee834aa3ad
