[INFO] fetching crate quack 0.0.13...
[INFO] checking quack-0.0.13 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate quack 0.0.13 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate quack 0.0.13 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quack 0.0.13
[INFO] finished tweaking crates.io crate quack 0.0.13
[INFO] tweaked toml for crates.io crate quack 0.0.13 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 4429449d7442332a5fbb9a46cfda63671154285fe4283a5a92d37cbdef19c4b4
[INFO] running `"docker" "start" "-a" "4429449d7442332a5fbb9a46cfda63671154285fe4283a5a92d37cbdef19c4b4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking quack v0.0.13 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0405]: cannot find trait `PhantomFn` in module `std::marker`
[INFO] [stderr]   --> src/lib.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub trait Pair: std::marker::PhantomFn<Self> {
[INFO] [stderr]    |                              ^^^^^^^^^ not found in `std::marker`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/get.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/set.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/action.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![unstable]
[INFO] [stderr]   | ^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `PhantomFn` in module `std::marker`
[INFO] [stderr]   --> src/lib.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub trait Pair: std::marker::PhantomFn<Self> {
[INFO] [stderr]    |                              ^^^^^^^^^ not found in `std::marker`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/get.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/set.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/action.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]   --> src/lib.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] error: malformed `unstable` attribute input
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![unstable]
[INFO] [stderr]   | ^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]  --> src/set.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn set(mut self, val: T) -> Self;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![unstable]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/get.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/set.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/action.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]  --> src/set.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn set(mut self, val: T) -> Self;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]   = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![unstable]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/get.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/set.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]  --> src/action.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[unstable]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stderr]   --> src/lib.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[unstable]
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0734.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0734.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `quack`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `quack`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4429449d7442332a5fbb9a46cfda63671154285fe4283a5a92d37cbdef19c4b4"`
[INFO] running `"docker" "rm" "-f" "4429449d7442332a5fbb9a46cfda63671154285fe4283a5a92d37cbdef19c4b4"`
[INFO] [stdout] 4429449d7442332a5fbb9a46cfda63671154285fe4283a5a92d37cbdef19c4b4