[INFO] fetching crate convertible 0.0.1...
[INFO] checking convertible-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate convertible 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate convertible 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] cc771e91ca8db25d02916c7d373bf74fed7008ca5d8303aac55cbc17fd0ddcfc
[INFO] running `Command { std: "docker" "start" "-a" "cc771e91ca8db25d02916c7d373bf74fed7008ca5d8303aac55cbc17fd0ddcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc771e91ca8db25d02916c7d373bf74fed7008ca5d8303aac55cbc17fd0ddcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc771e91ca8db25d02916c7d373bf74fed7008ca5d8303aac55cbc17fd0ddcfc", kill_on_drop: false }`
[INFO] [stdout] cc771e91ca8db25d02916c7d373bf74fed7008ca5d8303aac55cbc17fd0ddcfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e4953a4aad78c7e273f574dd9dad632c5efdb26b148ab463578c1475aefb74
[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" "b9e4953a4aad78c7e273f574dd9dad632c5efdb26b148ab463578c1475aefb74", kill_on_drop: false }`
[INFO] [stderr]     Checking convertible v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0255]: the name `Raw` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::{Convertible, Raw};
[INFO] [stdout]    |                              --- previous import of the trait `Raw` here
[INFO] [stdout] 58 | 
[INFO] [stdout] 59 |     struct Raw {
[INFO] [stdout]    |     ^^^^^^^^^^ `Raw` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Raw` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::{Convertible, Raw as OtherRaw};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/lib.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[deriving(PartialEq, Show)]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `test`
[INFO] [stdout]   --> src/lib.rs:79:7
[INFO] [stdout]    |
[INFO] [stdout] 79 |     #[test] fn test_conversion() {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `First` in this scope
[INFO] [stdout]   --> src/lib.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 "first" => Some(First),
[INFO] [stdout]    |                                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use test::NotRaw::First;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Second` in this scope
[INFO] [stdout]   --> src/lib.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 "second" => Some(Second),
[INFO] [stdout]    |                                  ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use test::NotRaw::Second;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Third` in this scope
[INFO] [stdout]   --> src/lib.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 "third" => Some(Third),
[INFO] [stdout]    |                                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use test::NotRaw::Third;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `First` in this scope
[INFO] [stdout]   --> src/lib.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert_eq!(first.to::<NotRaw>(), Some(First));
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert_eq!(first.to::<NotRaw>(), Some(first));
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use test::NotRaw::First;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Second` in this scope
[INFO] [stdout]   --> src/lib.rs:85:48
[INFO] [stdout]    |
[INFO] [stdout] 85 |         assert_eq!(second.to::<NotRaw>(), Some(Second));
[INFO] [stdout]    |                                                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 85 |         assert_eq!(second.to::<NotRaw>(), Some(second));
[INFO] [stdout]    |                                                ^^^^^^
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use test::NotRaw::Second;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `Raw`
[INFO] [stdout]   --> src/lib.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::{Convertible, Raw};
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout] ...
[INFO] [stdout] 37 | pub trait Convertible<From> {
[INFO] [stdout]    |                       ---- required by this bound in `Convertible`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C> where Self: Sized;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Convertible<From: ?Sized> {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout] ...
[INFO] [stdout] 47 | pub trait Coercible<From> {
[INFO] [stdout]    |                     ---- required by this bound in `Coercible`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self> where Self: Sized;
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub trait Coercible<From: ?Sized> {
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:39:26
[INFO] [stdout]     |
[INFO] [stdout] 39  |     fn convert(&From) -> Option<Self>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 39  |     fn convert(&From) -> Option<Self> where Self: Sized;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:51:24
[INFO] [stdout]     |
[INFO] [stdout] 51  |     fn coerce(From) -> Result<Self, From>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 51  |     fn coerce(From) -> Result<Self, From> where Self: Sized;
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `convertible`
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout] ...
[INFO] [stdout] 37 | pub trait Convertible<From> {
[INFO] [stdout]    |                       ---- required by this bound in `Convertible`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to<C: Convertible<Self>>(&self) -> Option<C> where Self: Sized;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Convertible<From: ?Sized> {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout] ...
[INFO] [stdout] 47 | pub trait Coercible<From> {
[INFO] [stdout]    |                     ---- required by this bound in `Coercible`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn coerce<C: Coercible<Self>>(self) -> Result<C, Self> where Self: Sized;
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub trait Coercible<From: ?Sized> {
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:39:26
[INFO] [stdout]     |
[INFO] [stdout] 39  |     fn convert(&From) -> Option<Self>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 39  |     fn convert(&From) -> Option<Self> where Self: Sized;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:51:24
[INFO] [stdout]     |
[INFO] [stdout] 51  |     fn coerce(From) -> Result<Self, From>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 51  |     fn coerce(From) -> Result<Self, From> where Self: Sized;
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0255, E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0255`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9e4953a4aad78c7e273f574dd9dad632c5efdb26b148ab463578c1475aefb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e4953a4aad78c7e273f574dd9dad632c5efdb26b148ab463578c1475aefb74", kill_on_drop: false }`
[INFO] [stdout] b9e4953a4aad78c7e273f574dd9dad632c5efdb26b148ab463578c1475aefb74