[INFO] cloning repository https://github.com/hjr3/building-better-interfaces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjr3/building-better-interfaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d30913d5f3230f435fed75e13571d4164d6b5d3
[INFO] checking hjr3/building-better-interfaces against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hjr3/building-better-interfaces on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hjr3/building-better-interfaces
[INFO] finished tweaking git repo https://github.com/hjr3/building-better-interfaces
[INFO] tweaked toml for git repo https://github.com/hjr3/building-better-interfaces written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hjr3/building-better-interfaces already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a245ad645ea2ad7246c11d4f19fb0d4f5922c92c006a6e01a1ba419ea80c6fd8
[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" "a245ad645ea2ad7246c11d4f19fb0d4f5922c92c006a6e01a1ba419ea80c6fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a245ad645ea2ad7246c11d4f19fb0d4f5922c92c006a6e01a1ba419ea80c6fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a245ad645ea2ad7246c11d4f19fb0d4f5922c92c006a6e01a1ba419ea80c6fd8", kill_on_drop: false }`
[INFO] [stdout] a245ad645ea2ad7246c11d4f19fb0d4f5922c92c006a6e01a1ba419ea80c6fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7c9addab49a69bd41f587f662888628b2a3ff1fb9d0d33f9e2bc6d3738402f
[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" "4f7c9addab49a69bd41f587f662888628b2a3ff1fb9d0d33f9e2bc6d3738402f", kill_on_drop: false }`
[INFO] [stderr]     Checking building-better-interfaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:482:27
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let given = Name::try_from(&name);
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryFrom` for the type `name::Name`
[INFO] [stdout]    --> src/name.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn try_from(name: &'a NameStr) -> Result<Name, Self::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let given = name::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let given = std::convert::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:490:27
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let given = Name::try_from(&name);
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryFrom` for the type `name::Name`
[INFO] [stdout]    --> src/name.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn try_from(name: &'a NameStr) -> Result<Name, Self::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let given = name::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let given = std::convert::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:499:27
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let given = Name::try_from(&name);
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryFrom` for the type `name::Name`
[INFO] [stdout]    --> src/name.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn try_from(name: &'a NameStr) -> Result<Name, Self::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let given = name::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let given = std::convert::TryFrom::try_from(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:511:55
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let given: Result<Name, &'static str>  = name.try_into();
[INFO] [stdout]     |                                                       ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryInto` for the type `T`
[INFO] [stdout]    --> src/name.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn try_into(self) -> Result<U, U::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let given: Result<Name, &'static str>  = name::TryInto::try_into(&name);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let given: Result<Name, &'static str>  = std::convert::TryInto::try_into(&name);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:519:26
[INFO] [stdout]     |
[INFO] [stdout] 519 |         let given = name.try_into();
[INFO] [stdout]     |                          ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryInto` for the type `T`
[INFO] [stdout]    --> src/name.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn try_into(self) -> Result<U, U::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 519 |         let given = name::TryInto::try_into(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 519 |         let given = std::convert::TryInto::try_into(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/name.rs:528:26
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let given = name.try_into();
[INFO] [stdout]     |                          ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `name::TryInto` for the type `T`
[INFO] [stdout]    --> src/name.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn try_into(self) -> Result<U, U::Err> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let given = name::TryInto::try_into(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let given = std::convert::TryInto::try_into(&name);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `building-better-interfaces`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4f7c9addab49a69bd41f587f662888628b2a3ff1fb9d0d33f9e2bc6d3738402f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7c9addab49a69bd41f587f662888628b2a3ff1fb9d0d33f9e2bc6d3738402f", kill_on_drop: false }`
[INFO] [stdout] 4f7c9addab49a69bd41f587f662888628b2a3ff1fb9d0d33f9e2bc6d3738402f