[INFO] fetching crate tokio-file-futures 0.1.0...
[INFO] testing tokio-file-futures-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tokio-file-futures 0.1.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate tokio-file-futures 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21471507e3703cf7baa1d655e826e1c1696efb89b4f080fc87584930cb0c13fd
[INFO] running `Command { std: "docker" "start" "-a" "21471507e3703cf7baa1d655e826e1c1696efb89b4f080fc87584930cb0c13fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21471507e3703cf7baa1d655e826e1c1696efb89b4f080fc87584930cb0c13fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21471507e3703cf7baa1d655e826e1c1696efb89b4f080fc87584930cb0c13fd", kill_on_drop: false }`
[INFO] [stdout] 21471507e3703cf7baa1d655e826e1c1696efb89b4f080fc87584930cb0c13fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50019f7ff4701ddf2d1430a2135caa4535eb566edd8828aefc9f5571449d988f
[INFO] running `Command { std: "docker" "start" "-a" "50019f7ff4701ddf2d1430a2135caa4535eb566edd8828aefc9f5571449d988f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-file-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "50019f7ff4701ddf2d1430a2135caa4535eb566edd8828aefc9f5571449d988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50019f7ff4701ddf2d1430a2135caa4535eb566edd8828aefc9f5571449d988f", kill_on_drop: false }`
[INFO] [stdout] 50019f7ff4701ddf2d1430a2135caa4535eb566edd8828aefc9f5571449d988f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8995681dbba63540995a3feb3a10567e65a8f702afac9f3b0ec3d5b8c83282d4
[INFO] running `Command { std: "docker" "start" "-a" "8995681dbba63540995a3feb3a10567e65a8f702afac9f3b0ec3d5b8c83282d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8995681dbba63540995a3feb3a10567e65a8f702afac9f3b0ec3d5b8c83282d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8995681dbba63540995a3feb3a10567e65a8f702afac9f3b0ec3d5b8c83282d4", kill_on_drop: false }`
[INFO] [stdout] 8995681dbba63540995a3feb3a10567e65a8f702afac9f3b0ec3d5b8c83282d4
