[INFO] fetching crate stackvec 0.2.1...
[INFO] checking stackvec-0.2.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate stackvec 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stackvec 0.2.1 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 crates.io crate stackvec 0.2.1
[INFO] finished tweaking crates.io crate stackvec 0.2.1
[INFO] tweaked toml for crates.io crate stackvec 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6b5557ecab30174224ba86428400307390d5a199ba343a9e1e405f835c2cc14a
[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" "6b5557ecab30174224ba86428400307390d5a199ba343a9e1e405f835c2cc14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5557ecab30174224ba86428400307390d5a199ba343a9e1e405f835c2cc14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5557ecab30174224ba86428400307390d5a199ba343a9e1e405f835c2cc14a", kill_on_drop: false }`
[INFO] [stdout] 6b5557ecab30174224ba86428400307390d5a199ba343a9e1e405f835c2cc14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 25669991b7fec89452149a97b20feb7fcb42530a0b7a097bba6ec677828e4a79
[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" "25669991b7fec89452149a97b20feb7fcb42530a0b7a097bba6ec677828e4a79", kill_on_drop: false }`
[INFO] [stderr]     Checking stackvec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         try!(fmt::Display::fmt("[", stream));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |             try!(fmt::Debug::fmt(first, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 try!(write!(stream, ", {:?}", x));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         try!(fmt::Display::fmt("[", stream));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |             try!(fmt::Debug::fmt(first, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 try!(write!(stream, ", {:?}", x));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/stackvec/mod.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 59 |             array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/stackvec/mod.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 59 |             array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fmt::Display::fmt(self.description(), stream)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/stackvec/traits/try_from_iter.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stackvec.try_into()
[INFO] [stdout]     |                  ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `traits::try_into::TryInto` for the type `stackvec::StackVec<A>`
[INFO] [stdout]    --> src/stackvec/traits/try_into.rs:86:2
[INFO] [stdout]     |
[INFO] [stdout] 86  | /     fn try_into (
[INFO] [stdout] 87  | |         self: StackVec<A>,
[INFO] [stdout] 88  | |     ) -> Result<A, Self::Error>
[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] 105 |         traits::try_into::TryInto::try_into(stackvec)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 105 |         std::convert::TryInto::try_into(stackvec)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::try_into::TryInto`
[INFO] [stdout]  --> src/stackvec/traits/try_from_iter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::try_into::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackvec`
[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] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fmt::Display::fmt(self.description(), stream)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/stackvec/traits/try_from_iter.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stackvec.try_into()
[INFO] [stdout]     |                  ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `traits::try_into::TryInto` for the type `stackvec::StackVec<A>`
[INFO] [stdout]    --> src/stackvec/traits/try_into.rs:86:2
[INFO] [stdout]     |
[INFO] [stdout] 86  | /     fn try_into (
[INFO] [stdout] 87  | |         self: StackVec<A>,
[INFO] [stdout] 88  | |     ) -> Result<A, Self::Error>
[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] 105 |         traits::try_into::TryInto::try_into(stackvec)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 105 |         std::convert::TryInto::try_into(stackvec)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::try_into::TryInto`
[INFO] [stdout]  --> src/stackvec/traits/try_from_iter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::try_into::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25669991b7fec89452149a97b20feb7fcb42530a0b7a097bba6ec677828e4a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25669991b7fec89452149a97b20feb7fcb42530a0b7a097bba6ec677828e4a79", kill_on_drop: false }`
[INFO] [stdout] 25669991b7fec89452149a97b20feb7fcb42530a0b7a097bba6ec677828e4a79