[INFO] fetching crate embedrs-bytes 0.4.6...
[INFO] checking embedrs-bytes-0.4.6 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate embedrs-bytes 0.4.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate embedrs-bytes 0.4.6 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedrs-bytes 0.4.6
[INFO] finished tweaking crates.io crate embedrs-bytes 0.4.6
[INFO] tweaked toml for crates.io crate embedrs-bytes 0.4.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db7b93334573ca8cdf61a303edef95d292639a3d522b0fdd441fe50f21ca3193
[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" "db7b93334573ca8cdf61a303edef95d292639a3d522b0fdd441fe50f21ca3193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db7b93334573ca8cdf61a303edef95d292639a3d522b0fdd441fe50f21ca3193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7b93334573ca8cdf61a303edef95d292639a3d522b0fdd441fe50f21ca3193", kill_on_drop: false }`
[INFO] [stdout] db7b93334573ca8cdf61a303edef95d292639a3d522b0fdd441fe50f21ca3193
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ab6924c11ac23037400aacd7dc57d58c972a60b71190ee55def2d0d58dbbc3
[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" "f4ab6924c11ac23037400aacd7dc57d58c972a60b71190ee55def2d0d58dbbc3", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.116
[INFO] [stderr]     Checking embedrs-bytes v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `embedrs_bytes::Bytes`
[INFO] [stdout]  --> tests/test_iter.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Buf, IntoBuf, Bytes};
[INFO] [stdout]   |                                   ^^^^^ no `Bytes` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `bytes`
[INFO] [stdout]  --> benches/bytes.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bytes;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> tests/test_iter.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Buf, IntoBuf, Bytes};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `iovec`
[INFO] [stdout]  --> tests/test_buf_mut.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate iovec;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoBuf`
[INFO] [stdout]  --> tests/test_iter.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Buf, IntoBuf, Bytes};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `embedrs_bytes::Bytes`
[INFO] [stdout]  --> tests/test_debug.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `Bytes` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `iovec`
[INFO] [stdout]  --> tests/test_chain.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate iovec;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedrs-bytes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `iovec`
[INFO] [stdout]  --> tests/test_buf.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate iovec;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `embedrs_bytes::Bytes`, `embedrs_bytes::BytesMut`
[INFO] [stdout]  --> tests/test_from_buf.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Buf, Bytes, BytesMut};
[INFO] [stdout]   |                          ^^^^^  ^^^^^^^^ no `BytesMut` in the root
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          no `Bytes` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> tests/test_from_buf.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Buf, Bytes, BytesMut};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `embedrs_bytes::Bytes`, `embedrs_bytes::BytesMut`
[INFO] [stdout]  --> tests/test_bytes.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Bytes, BytesMut, BufMut};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^ no `BytesMut` in the root
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     no `Bytes` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `take` found for struct `std::io::Cursor<&[u8; 11]>` in the current scope
[INFO] [stdout]    --> tests/test_take.rs:10:43
[INFO] [stdout]     |
[INFO] [stdout] 10  |       let buf = Cursor::new(b"hello world").take(100);
[INFO] [stdout]     |                                             ^^^^ method not found in `std::io::Cursor<&[u8; 11]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `take` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `std::io::Cursor<&[u8; 11]>: Buf`
[INFO] [stdout]             which is required by `&mut std::io::Cursor<&[u8; 11]>: Buf`
[INFO] [stdout]             `std::io::Cursor<&[u8; 11]>: Iterator`
[INFO] [stdout]             which is required by `&mut std::io::Cursor<&[u8; 11]>: Iterator`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 3   | use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedrs_bytes::Buf`
[INFO] [stdout]  --> tests/test_take.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::Buf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let buf: Vec<u8> = Cursor::new(SHORT).collect();
[INFO] [stdout]    |                                             ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |       let buf: Vec<u8> = Cursor::new(LONG).collect();
[INFO] [stdout]    |                                            ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let buf: Bytes = Cursor::new(SHORT).collect();
[INFO] [stdout]    |                                           ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |       let buf: Bytes = Cursor::new(LONG).collect();
[INFO] [stdout]    |                                          ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |       let buf: BytesMut = Cursor::new(SHORT).collect();
[INFO] [stdout]    |                                              ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for struct `std::io::Cursor<&[u8]>` in the current scope
[INFO] [stdout]   --> tests/test_from_buf.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |       let buf: BytesMut = Cursor::new(LONG).collect();
[INFO] [stdout]    |                                             ^^^^^^^ method not found in `std::io::Cursor<&[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `Arc<_>` in the current scope
[INFO] [stdout]    --> tests/test_bytes.rs:528:27
[INFO] [stdout]     |
[INFO] [stdout] 528 |             let buf = buf.clone();
[INFO] [stdout]     |                           ^^^^^ method not found in `Arc<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `buf` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufMut`
[INFO] [stdout]  --> tests/test_bytes.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedrs_bytes::{Bytes, BytesMut, BufMut};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]   --> tests/test_bytes.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use std::fmt::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f4ab6924c11ac23037400aacd7dc57d58c972a60b71190ee55def2d0d58dbbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ab6924c11ac23037400aacd7dc57d58c972a60b71190ee55def2d0d58dbbc3", kill_on_drop: false }`
[INFO] [stdout] f4ab6924c11ac23037400aacd7dc57d58c972a60b71190ee55def2d0d58dbbc3
