[INFO] crate convertible 0.0.1 is already in cache
[INFO] checking convertible-0.0.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate convertible 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate convertible 0.0.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate convertible 0.0.1
[INFO] finished tweaking crates.io crate convertible 0.0.1
[INFO] tweaked toml for crates.io crate convertible 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31ef2a952bde25e00bd390468105249a8040a3f73e623a36d85ff7cf835847f6
[INFO] running `"docker" "start" "-a" "31ef2a952bde25e00bd390468105249a8040a3f73e623a36d85ff7cf835847f6"`
[INFO] [stderr]     Checking convertible v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^                     - help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |              |
[INFO] [stderr]    |              doesn't have a size known at compile-time
[INFO] [stderr] ...
[INFO] [stderr] 37 | pub trait Convertible<From> {
[INFO] [stderr]    | --------------------------- required by `Convertible`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^                          - help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  doesn't have a size known at compile-time
[INFO] [stderr] ...
[INFO] [stderr] 47 | pub trait Coercible<From> {
[INFO] [stderr]    | ------------------------- required by `Coercible`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn convert(&From) -> Option<Self>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^- help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::option::Option`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn coerce(From) -> Result<Self, From>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^- help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::result::Result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `convertible`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0255]: the name `Raw` is defined multiple times
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use super::{Convertible, Raw};
[INFO] [stderr]    |                              --- previous import of the trait `Raw` here
[INFO] [stderr] 58 | 
[INFO] [stderr] 59 |     struct Raw {
[INFO] [stderr]    |     ^^^^^^^^^^ `Raw` redefined here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Raw` must be defined only once in the type namespace of this module
[INFO] [stderr] help: you can use `as` to change the binding name of the import
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use super::{Convertible, Raw as OtherRaw};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/lib.rs:63:7
[INFO] [stderr]    |
[INFO] [stderr] 63 |     #[deriving(PartialEq, Show)]
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]   --> src/lib.rs:79:7
[INFO] [stderr]    |
[INFO] [stderr] 79 |     #[test] fn test_conversion() {
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `First` in this scope
[INFO] [stderr]   --> src/lib.rs:71:33
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 "first" => Some(First),
[INFO] [stderr]    |                                 ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use test::NotRaw::First;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Second` in this scope
[INFO] [stderr]   --> src/lib.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 "second" => Some(Second),
[INFO] [stderr]    |                                  ^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use test::NotRaw::Second;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Third` in this scope
[INFO] [stderr]   --> src/lib.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 "third" => Some(Third),
[INFO] [stderr]    |                                 ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use test::NotRaw::Third;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `First` in this scope
[INFO] [stderr]   --> src/lib.rs:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 |         assert_eq!(first.to::<NotRaw>(), Some(First));
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: a local variable with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 84 |         assert_eq!(first.to::<NotRaw>(), Some(first));
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use test::NotRaw::First;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Second` in this scope
[INFO] [stderr]   --> src/lib.rs:85:48
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_eq!(second.to::<NotRaw>(), Some(Second));
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: a local variable with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_eq!(second.to::<NotRaw>(), Some(second));
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use test::NotRaw::Second;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Raw`
[INFO] [stderr]   --> src/lib.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use super::{Convertible, Raw};
[INFO] [stderr]    |                              ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^                     - help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |              |
[INFO] [stderr]    |              doesn't have a size known at compile-time
[INFO] [stderr] ...
[INFO] [stderr] 37 | pub trait Convertible<From> {
[INFO] [stderr]    | --------------------------- required by `Convertible`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^                          - help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  doesn't have a size known at compile-time
[INFO] [stderr] ...
[INFO] [stderr] 47 | pub trait Coercible<From> {
[INFO] [stderr]    | ------------------------- required by `Coercible`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn convert(&From) -> Option<Self>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^- help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::option::Option`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/lib.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn coerce(From) -> Result<Self, From>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^- help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::result::Result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0255, E0277, E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0255`.
[INFO] [stderr] error: could not compile `convertible`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "31ef2a952bde25e00bd390468105249a8040a3f73e623a36d85ff7cf835847f6"`
[INFO] running `"docker" "rm" "-f" "31ef2a952bde25e00bd390468105249a8040a3f73e623a36d85ff7cf835847f6"`
[INFO] [stdout] 31ef2a952bde25e00bd390468105249a8040a3f73e623a36d85ff7cf835847f6
