[INFO] fetching crate tokio-file-futures 0.1.0... [INFO] checking tokio-file-futures-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] extracting crate tokio-file-futures 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate tokio-file-futures 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 57 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4775503c7e88d6a2a6907b8ca7a06ea2fb55884ca68b4e820e657041707058bb [INFO] running `Command { std: "docker" "start" "-a" "4775503c7e88d6a2a6907b8ca7a06ea2fb55884ca68b4e820e657041707058bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4775503c7e88d6a2a6907b8ca7a06ea2fb55884ca68b4e820e657041707058bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4775503c7e88d6a2a6907b8ca7a06ea2fb55884ca68b4e820e657041707058bb", kill_on_drop: false }` [INFO] [stdout] 4775503c7e88d6a2a6907b8ca7a06ea2fb55884ca68b4e820e657041707058bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1d108c744e8291c7447a2269ceb9090956c693a5a7f8fa5f96fe1c932996a4e [INFO] running `Command { std: "docker" "start" "-a" "e1d108c744e8291c7447a2269ceb9090956c693a5a7f8fa5f96fe1c932996a4e", kill_on_drop: false }` [INFO] [stderr] Checking tokio-file-futures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0271]: type mismatch resolving `, {closure@example.rs:32:58}> as IntoFuture>::Error == (File, Error)` [INFO] [stdout] --> examples/example.rs:31:46 [INFO] [stdout] | [INFO] [stdout] 31 | ... file.try_clone().and_then(|(file, _file2)| { [INFO] [stdout] | ^^^^^^^^ expected `(File, Error)`, found `Error` [INFO] [stdout] | [INFO] [stdout] = note: expected tuple `(tokio_fs::File, std::io::Error)` [INFO] [stdout] found struct `std::io::Error` [INFO] [stdout] note: required by a bound in `futures::Future::and_then` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/mod.rs:528:29 [INFO] [stdout] | [INFO] [stdout] 526 | fn and_then(self, f: F) -> AndThen [INFO] [stdout] | -------- required by a bound in this associated function [INFO] [stdout] 527 | where F: FnOnce(Self::Item) -> B, [INFO] [stdout] 528 | B: IntoFuture, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Future::and_then` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `, {closure@example.rs:32:58}> as IntoFuture>::Error == (File, Error)` [INFO] [stdout] --> examples/example.rs:30:42 [INFO] [stdout] | [INFO] [stdout] 30 | file.sync_data().and_then(|file| { [INFO] [stdout] | ^^^^^^^^ expected `(File, Error)`, found `Error` [INFO] [stdout] | [INFO] [stdout] = note: expected tuple `(tokio_fs::File, std::io::Error)` [INFO] [stdout] found struct `std::io::Error` [INFO] [stdout] = note: required for `AndThen, {closure@example.rs:32:58}>, ...>` to implement `futures::Future` [INFO] [stdout] note: required by a bound in `futures::Future::and_then` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/mod.rs:528:29 [INFO] [stdout] | [INFO] [stdout] 526 | fn and_then(self, f: F) -> AndThen [INFO] [stdout] | -------- required by a bound in this associated function [INFO] [stdout] 527 | where F: FnOnce(Self::Item) -> B, [INFO] [stdout] 528 | B: IntoFuture, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Future::and_then` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/examples/example-52e04c7ffa7daad2.long-type-14581432919141682862.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `map_err` exists for struct `AndThen, AndThen, AndThen, AndThen<..., ..., ...>, ...>, ...>, ...>`, but its trait bounds were not satisfied [INFO] [stdout] --> examples/example.rs:42:18 [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] 41 | | }) [INFO] [stdout] 42 | | .map_err(|e| println!("Error3: {}", e)); [INFO] [stdout] | | -^^^^^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | |_________________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/and_then.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct AndThen where A: Future, B: IntoFuture { [INFO] [stdout] | --------------------------- doesn't satisfy `<_ as IntoFuture>::Error = Error`, `_: Future` or `_: IntoFuture` [INFO] [stdout] | [INFO] [stdout] = note: the full type name has been written to '/opt/rustwide/target/debug/examples/example-52e04c7ffa7daad2.long-type-7470579992520840211.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}> as futures::IntoFuture>::Error = std::io::Error` [INFO] [stdout] which is required by `futures::AndThen, futures::AndThen, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}>, {closure@examples/example.rs:28:27: 28:33}>: futures::Future` [INFO] [stdout] `futures::AndThen, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}>: futures::IntoFuture` [INFO] [stdout] which is required by `futures::AndThen, futures::AndThen, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}>, {closure@examples/example.rs:28:27: 28:33}>: futures::Future` [INFO] [stdout] `futures::AndThen, futures::AndThen, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}>, {closure@examples/example.rs:28:27: 28:33}>: futures::Future` [INFO] [stdout] which is required by `&mut futures::AndThen, futures::AndThen, futures::AndThen, futures::AndThen, {closure@examples/example.rs:32:58: 32:76}>, {closure@examples/example.rs:31:55: 31:71}>, {closure@examples/example.rs:30:51: 30:57}>, {closure@examples/example.rs:29:46: 29:52}>, {closure@examples/example.rs:28:27: 28:33}>: futures::Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 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` (example "example") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "e1d108c744e8291c7447a2269ceb9090956c693a5a7f8fa5f96fe1c932996a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1d108c744e8291c7447a2269ceb9090956c693a5a7f8fa5f96fe1c932996a4e", kill_on_drop: false }` [INFO] [stdout] e1d108c744e8291c7447a2269ceb9090956c693a5a7f8fa5f96fe1c932996a4e