[INFO] fetching crate tokio-file-futures 0.1.0...
[INFO] checking tokio-file-futures-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate tokio-file-futures 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tokio-file-futures 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78b754ecf51536740905efbacf62c8736b8f153a1c2e62101561c80f9965306f
[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" "78b754ecf51536740905efbacf62c8736b8f153a1c2e62101561c80f9965306f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78b754ecf51536740905efbacf62c8736b8f153a1c2e62101561c80f9965306f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b754ecf51536740905efbacf62c8736b8f153a1c2e62101561c80f9965306f", kill_on_drop: false }`
[INFO] [stdout] 78b754ecf51536740905efbacf62c8736b8f153a1c2e62101561c80f9965306f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c093fc743867872a75d9a14b6940c45cad163636b2cc9b77af57f2efac82e012
[INFO] running `Command { std: "docker" "start" "-a" "c093fc743867872a75d9a14b6940c45cad163636b2cc9b77af57f2efac82e012", kill_on_drop: false }`
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-file-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stdout] error[E0271]: type mismatch resolving `<futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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, file_futures::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<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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, file_futures::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<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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::Future` for `futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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, file_futures::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 struct `std::io::Error`, found tuple
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.29/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 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<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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]: no method named `map_err` found for struct `futures::AndThen<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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]>` in the current scope
[INFO] [stdout]   --> examples/example.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 .map_err(|e| println!("Error3: {}", e));
[INFO] [stdout]    |                  ^^^^^^^ method not found in `futures::AndThen<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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]>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.29/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 method `map_err` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `<futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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<file_futures::SetLen<tokio_fs::File>, futures::AndThen<file_futures::SyncAll<tokio_fs::File>, futures::AndThen<file_futures::SyncData<tokio_fs::File>, futures::AndThen<tokio_fs::file::CloneFuture, futures::AndThen<tokio_fs::file::MetadataFuture, file_futures::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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c093fc743867872a75d9a14b6940c45cad163636b2cc9b77af57f2efac82e012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c093fc743867872a75d9a14b6940c45cad163636b2cc9b77af57f2efac82e012", kill_on_drop: false }`
[INFO] [stdout] c093fc743867872a75d9a14b6940c45cad163636b2cc9b77af57f2efac82e012
