[INFO] crate tokio-io 0.2.0-alpha.6 is already in cache [INFO] checking tokio-io-0.2.0-alpha.6 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919 [INFO] extracting crate tokio-io 0.2.0-alpha.6 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tokio-io 0.2.0-alpha.6 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate tokio-io 0.2.0-alpha.6 [INFO] finished tweaking crates.io crate tokio-io 0.2.0-alpha.6 [INFO] tweaked toml for crates.io crate tokio-io 0.2.0-alpha.6 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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] f02de11ef110b64bf9838caeebb08f0fff0caf04b9c099987e3989a6bed5d4c0 [INFO] running `"docker" "start" "-a" "f02de11ef110b64bf9838caeebb08f0fff0caf04b9c099987e3989a6bed5d4c0"` [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncReadExt` [INFO] [stderr] --> tests/read.rs:3:27 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::{AsyncRead, AsyncReadExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `AsyncReadExt` in the root [INFO] [stderr] | help: a similar name exists in the module: `AsyncRead` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/read.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/read.rs:10:3 [INFO] [stderr] | [INFO] [stderr] 10 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/read.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let n = assert_ok!(rd.read(&mut buf[..]).await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncReadExt` [INFO] [stderr] --> tests/copy.rs:3:27 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::{AsyncRead, AsyncReadExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `AsyncReadExt` in the root [INFO] [stderr] | help: a similar name exists in the module: `AsyncRead` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/copy.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/copy.rs:10:3 [INFO] [stderr] | [INFO] [stderr] 10 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/copy.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let n = assert_ok!(rd.copy(&mut wr).await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncBufReadExt` [INFO] [stderr] --> tests/lines.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_io::AsyncBufReadExt; [INFO] [stderr] | ^^^^^^^^^^--------------- [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `AsyncBufRead` [INFO] [stderr] | no `AsyncBufReadExt` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures_util` [INFO] [stderr] --> tests/lines.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use futures_util::StreamExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_util` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/lines.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/lines.rs:7:3 [INFO] [stderr] | [INFO] [stderr] 7 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/lines.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let b = assert_ok!(st.next().await.unwrap()); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/lines.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let b = assert_ok!(st.next().await.unwrap()); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/lines.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | let b = assert_ok!(st.next().await.unwrap()); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `lines` found for type `&[u8]` in the current scope [INFO] [stderr] --> tests/lines.rs:10:21 [INFO] [stderr] | [INFO] [stderr] 10 | let mut st = rd.lines(); [INFO] [stderr] | ^^^^^ method not found in `&[u8]` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::BufRead; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncReadExt` [INFO] [stderr] --> tests/read_exact.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::AsyncReadExt; [INFO] [stderr] | ^^^^^^^^^^------------ [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `AsyncRead` [INFO] [stderr] | no `AsyncReadExt` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/read_exact.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/read_exact.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/read_exact.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let n = assert_ok!(rd.read_exact(&mut buf[..]).await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncWriteExt` [INFO] [stderr] --> tests/write.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::{AsyncWrite, AsyncWriteExt}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `AsyncWriteExt` in the root [INFO] [stderr] | help: a similar name exists in the module: `AsyncWrite` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/write.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/write.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 11 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/write.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let n = assert_ok!(wr.write(b"hello world").await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncReadExt` [INFO] [stderr] --> tests/read_to_end.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::AsyncReadExt; [INFO] [stderr] | ^^^^^^^^^^------------ [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `AsyncRead` [INFO] [stderr] | no `AsyncReadExt` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/read_to_end.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/read_to_end.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/read_to_end.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let n = assert_ok!(rd.read_to_end(&mut buf).await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncWriteExt` [INFO] [stderr] --> tests/write_all.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::{AsyncWrite, AsyncWriteExt}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `AsyncWriteExt` in the root [INFO] [stderr] | help: a similar name exists in the module: `AsyncWrite` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/write_all.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/write_all.rs:12:3 [INFO] [stderr] | [INFO] [stderr] 12 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/write_all.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | assert_ok!(wr.write_all(b"hello world").await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `tokio_io::AsyncReadExt` [INFO] [stderr] --> tests/chain.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio_io::AsyncReadExt; [INFO] [stderr] | ^^^^^^^^^^------------ [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `AsyncRead` [INFO] [stderr] | no `AsyncReadExt` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `tokio_test` [INFO] [stderr] --> tests/chain.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio_test::assert_ok; [INFO] [stderr] | ^^^^^^^^^^ use of undeclared type or module `tokio_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio` [INFO] [stderr] --> tests/chain.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | #[tokio::test] [INFO] [stderr] | ^^^^^ use of undeclared type or module `tokio` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_ok` [INFO] [stderr] --> tests/chain.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | assert_ok!(rd.read_to_end(&mut buf).await); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `chain` found for type `&[u8]` in the current scope [INFO] [stderr] --> tests/chain.rs:12:22 [INFO] [stderr] | [INFO] [stderr] 12 | let mut rd = rd1.chain(rd2); [INFO] [stderr] | ^^^^^ method not found in `&[u8]` [INFO] [stderr] | [INFO] [stderr] = note: the method `chain` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut &[u8] : std::iter::Iterator` [INFO] [stderr] `&mut [u8] : std::iter::Iterator` [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Read; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tokio-io`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f02de11ef110b64bf9838caeebb08f0fff0caf04b9c099987e3989a6bed5d4c0"` [INFO] running `"docker" "rm" "-f" "f02de11ef110b64bf9838caeebb08f0fff0caf04b9c099987e3989a6bed5d4c0"` [INFO] [stdout] f02de11ef110b64bf9838caeebb08f0fff0caf04b9c099987e3989a6bed5d4c0