[INFO] fetching crate merge-io 0.1.2...
[INFO] checking merge-io-0.1.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate merge-io 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate merge-io 0.1.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate merge-io 0.1.2
[INFO] finished tweaking crates.io crate merge-io 0.1.2
[INFO] tweaked toml for crates.io crate merge-io 0.1.2 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 197c8b4a95312978acba36f7721b2e3199195cc702f3df72f48a77735c7b8768
[INFO] running `"docker" "start" "-a" "197c8b4a95312978acba36f7721b2e3199195cc702f3df72f48a77735c7b8768"`
[INFO] [stderr]     Checking merge-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `futures::io::Initializer`
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use futures::io::Initializer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `initializer` is not a member of trait `AsyncRead`
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | /     unsafe fn initializer(&self) -> Initializer {
[INFO] [stderr] 106 | |         self.reader.initializer()
[INFO] [stderr] 107 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `AsyncRead`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::io::Initializer`
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use futures::io::Initializer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `initializer` is not a member of trait `AsyncRead`
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | /     unsafe fn initializer(&self) -> Initializer {
[INFO] [stderr] 106 | |         self.reader.initializer()
[INFO] [stderr] 107 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `AsyncRead`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `initializer` found for type `R` in the current scope
[INFO] [stderr]    --> src/lib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |         self.reader.initializer()
[INFO] [stderr]     |                     ^^^^^^^^^^^ method not found in `R`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `initializer`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]     |
[INFO] [stderr] 99  | impl<R: std::io::Read, W> AsyncRead for MergeIO<R, W>
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0407, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0407`.
[INFO] [stderr] error: could not compile `merge-io`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `initializer` found for type `R` in the current scope
[INFO] [stderr]    --> src/lib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |         self.reader.initializer()
[INFO] [stderr]     |                     ^^^^^^^^^^^ method not found in `R`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `initializer`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]     |
[INFO] [stderr] 99  | impl<R: std::io::Read, W> AsyncRead for MergeIO<R, W>
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0407, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0407`.
[INFO] [stderr] error: could not compile `merge-io`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "197c8b4a95312978acba36f7721b2e3199195cc702f3df72f48a77735c7b8768"`
[INFO] running `"docker" "rm" "-f" "197c8b4a95312978acba36f7721b2e3199195cc702f3df72f48a77735c7b8768"`
[INFO] [stdout] 197c8b4a95312978acba36f7721b2e3199195cc702f3df72f48a77735c7b8768