[INFO] crate eventual 0.1.7 is already in cache
[INFO] extracting crate eventual 0.1.7 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/eventual/0.1.7
[INFO] extracting crate eventual 0.1.7 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/eventual/0.1.7
[INFO] validating manifest of eventual-0.1.7 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eventual-0.1.7 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eventual-0.1.7
[INFO] removed 1 missing tests
[INFO] finished frobbing eventual-0.1.7
[INFO] frobbed toml for eventual-0.1.7 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/eventual/0.1.7/Cargo.toml
[INFO] started frobbing eventual-0.1.7
[INFO] removed 1 missing tests
[INFO] finished frobbing eventual-0.1.7
[INFO] frobbed toml for eventual-0.1.7 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/eventual/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eventual-0.1.7 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/eventual/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5ef6a4f1cf49f67a497a38168d901149839bcd78745530096f495dd41c51ff0d
[INFO] running `"docker" "start" "-a" "5ef6a4f1cf49f67a497a38168d901149839bcd78745530096f495dd41c51ff0d"`
[INFO] [stderr]     Checking syncbox v0.2.4
[INFO] [stderr]     Checking eventual v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core.rs:946:27
[INFO] [stderr]     |
[INFO] [stderr] 946 | type Callback<T, E> = Box<BoxedReceive<Core<T, E>>>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxedReceive<Core<T, E>>`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:50:9
[INFO] [stderr]     |
[INFO] [stderr] 50  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/run.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn defer<R: Run<Box<TaskBox>> + Send + 'static,
[INFO] [stderr]   |                         ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn background<R: Run<Box<TaskBox>> + Send + 'static, F: FnOnce() -> T  + Send + 'static,
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:412:32
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core.rs:946:27
[INFO] [stderr]     |
[INFO] [stderr] 946 | type Callback<T, E> = Box<BoxedReceive<Core<T, E>>>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxedReceive<Core<T, E>>`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:50:9
[INFO] [stderr]     |
[INFO] [stderr] 50  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/run.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn defer<R: Run<Box<TaskBox>> + Send + 'static,
[INFO] [stderr]   |                         ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn background<R: Run<Box<TaskBox>> + Send + 'static, F: FnOnce() -> T  + Send + 'static,
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:412:32
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:414:44
[INFO] [stderr]     |
[INFO] [stderr] 414 |             AsyncError::Failed(ref e) => e.cause(),
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:50:9
[INFO] [stderr]     |
[INFO] [stderr] 50  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:414:44
[INFO] [stderr]     |
[INFO] [stderr] 414 |             AsyncError::Failed(ref e) => e.cause(),
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:50:9
[INFO] [stderr]     |
[INFO] [stderr] 50  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Async`
[INFO] [stderr]  --> src/core.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {Async, BoxedReceive, AsyncResult, AsyncError};
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:50:9
[INFO] [stderr]   |
[INFO] [stderr] 50| #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Pair`
[INFO] [stderr]  --> src/run.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Async, Pair, AsyncError, Future};
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `syncbox::Task`
[INFO] [stderr]  --> src/run.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use syncbox::Task;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `eventual`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: unused import: `Async`
[INFO] [stderr]  --> src/core.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {Async, BoxedReceive, AsyncResult, AsyncError};
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:50:9
[INFO] [stderr]   |
[INFO] [stderr] 50| #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Pair`
[INFO] [stderr]  --> src/run.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Async, Pair, AsyncError, Future};
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `syncbox::Task`
[INFO] [stderr]  --> src/run.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use syncbox::Task;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `eventual`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5ef6a4f1cf49f67a497a38168d901149839bcd78745530096f495dd41c51ff0d"`
[INFO] running `"docker" "rm" "-f" "5ef6a4f1cf49f67a497a38168d901149839bcd78745530096f495dd41c51ff0d"`
[INFO] [stdout] 5ef6a4f1cf49f67a497a38168d901149839bcd78745530096f495dd41c51ff0d