[INFO] fetching crate tokio-file-futures 0.1.0...
[INFO] checking tokio-file-futures-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate tokio-file-futures 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-file-futures 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-file-futures 0.1.0
[INFO] finished tweaking crates.io crate tokio-file-futures 0.1.0
[INFO] tweaked toml for crates.io crate tokio-file-futures 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0fabe902048c7f7c247c8da3b81a46d3664185164bba8a4928fdff953a53b8
[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" "7a0fabe902048c7f7c247c8da3b81a46d3664185164bba8a4928fdff953a53b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0fabe902048c7f7c247c8da3b81a46d3664185164bba8a4928fdff953a53b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0fabe902048c7f7c247c8da3b81a46d3664185164bba8a4928fdff953a53b8", kill_on_drop: false }`
[INFO] [stdout] 7a0fabe902048c7f7c247c8da3b81a46d3664185164bba8a4928fdff953a53b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ca632c96e0e89ed70e99df103e5216a347c8cbd514f7dd254b56f4d7c63921c
[INFO] running `Command { std: "docker" "start" "-a" "9ca632c96e0e89ed70e99df103e5216a347c8cbd514f7dd254b56f4d7c63921c", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-file-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]> as futures::IntoFuture>::Error == (tokio_fs::File, std::io::Error)`
[INFO] [stdout]   --> examples/example.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   file.try_clone().and_then(|(file, _file2)| {
[INFO] [stdout]    |                                        ^^^^^^^^ expected struct `std::io::Error`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::io::Error`
[INFO] [stdout]                found tuple `(tokio_fs::File, std::io::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]> as futures::IntoFuture>::Error == (tokio_fs::File, std::io::Error)`
[INFO] [stdout]   --> examples/example.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         file.sync_data().and_then(|file| {
[INFO] [stdout]    |                                          ^^^^^^^^ expected struct `std::io::Error`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::io::Error`
[INFO] [stdout]                found tuple `(tokio_fs::File, std::io::Error)`
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::Future` for `futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]> as futures::IntoFuture>::Error == (tokio_fs::File, std::io::Error)`
[INFO] [stdout]   --> examples/example.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     file.sync_all().and_then(|file| {
[INFO] [stdout]    |                                     ^^^^^^^^ expected struct `std::io::Error`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::io::Error`
[INFO] [stdout]                found tuple `(tokio_fs::File, std::io::Error)`
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::Future` for `futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::IntoFuture` for `futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>`
[INFO] [stdout]    = note: 1 redundant requirements hidden
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::Future` for `futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]> as futures::IntoFuture>::Error == (tokio_fs::File, std::io::Error)`
[INFO] [stdout]   --> examples/example.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |               let future3 = file.set_len(30)
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 28 | |                 .and_then(|file| {
[INFO] [stdout] 29 | |                     file.sync_all().and_then(|file| {
[INFO] [stdout] 30 | |                         file.sync_data().and_then(|file| {
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |                     })
[INFO] [stdout] 41 | |                 })
[INFO] [stdout]    | |__________________^ expected tuple, found struct `std::io::Error`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/and_then.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub struct AndThen<A, B, F> where A: Future, B: IntoFuture {
[INFO] [stdout]    |                                                   ---------- required by this bound in `futures::AndThen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected tuple `(tokio_fs::File, std::io::Error)`
[INFO] [stdout]              found struct `std::io::Error`
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::Future` for `futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `futures::IntoFuture` for `futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `map_err` exists for struct `futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> examples/example.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 .map_err(|e| println!("Error3: {}", e));
[INFO] [stdout]    |                  ^^^^^^^ method cannot be called on `futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>` due to unsatisfied trait bounds
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/and_then.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AndThen<A, B, F> where A: Future, B: IntoFuture {
[INFO] [stdout]    | ----------------------------------------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `<_ as futures::IntoFuture>::Error = std::io::Error`
[INFO] [stdout]    | doesn't satisfy `_: futures::Future`
[INFO] [stdout]    | doesn't satisfy `_: futures::IntoFuture`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `<futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]> as futures::IntoFuture>::Error = std::io::Error`
[INFO] [stdout]            which is required by `futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>: futures::Future`
[INFO] [stdout]            `futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>: futures::IntoFuture`
[INFO] [stdout]            which is required by `futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>: futures::Future`
[INFO] [stdout]            `futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>: futures::Future`
[INFO] [stdout]            which is required by `&mut futures::AndThen<SetLen<tokio_fs::File>, futures::AndThen<SyncAll<tokio_fs::File>, futures::AndThen<SyncData<tokio_fs::File>, futures::AndThen<CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, SetPermissions<tokio_fs::File>, [closure@examples/example.rs:32:58: 37:34]>, [closure@examples/example.rs:31:55: 38:30]>, [closure@examples/example.rs:30:51: 39:26]>, [closure@examples/example.rs:29:46: 40:22]>, [closure@examples/example.rs:28:27: 41:18]>: futures::Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-file-futures` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "9ca632c96e0e89ed70e99df103e5216a347c8cbd514f7dd254b56f4d7c63921c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca632c96e0e89ed70e99df103e5216a347c8cbd514f7dd254b56f4d7c63921c", kill_on_drop: false }`
[INFO] [stdout] 9ca632c96e0e89ed70e99df103e5216a347c8cbd514f7dd254b56f4d7c63921c
