[INFO] fetching crate embedrs-bytes 0.4.6...
[INFO] testing embedrs-bytes-0.4.6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate embedrs-bytes 0.4.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate embedrs-bytes 0.4.6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ae5fdd819ea6cf537286a405e879ffb2a4e2e3e31f4310a48f53b01fc062f4
[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" "e9ae5fdd819ea6cf537286a405e879ffb2a4e2e3e31f4310a48f53b01fc062f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ae5fdd819ea6cf537286a405e879ffb2a4e2e3e31f4310a48f53b01fc062f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ae5fdd819ea6cf537286a405e879ffb2a4e2e3e31f4310a48f53b01fc062f4", kill_on_drop: false }`
[INFO] [stdout] e9ae5fdd819ea6cf537286a405e879ffb2a4e2e3e31f4310a48f53b01fc062f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "build" "--frozen" "--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] 0e582a06ce2877e6ba15dc3469531b7e5edc08aca33d50c14f2e79d7753b0e7f
[INFO] running `Command { std: "docker" "start" "-a" "0e582a06ce2877e6ba15dc3469531b7e5edc08aca33d50c14f2e79d7753b0e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedrs-bytes v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0e582a06ce2877e6ba15dc3469531b7e5edc08aca33d50c14f2e79d7753b0e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e582a06ce2877e6ba15dc3469531b7e5edc08aca33d50c14f2e79d7753b0e7f", kill_on_drop: false }`
[INFO] [stdout] 0e582a06ce2877e6ba15dc3469531b7e5edc08aca33d50c14f2e79d7753b0e7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27c8fab3f437651fd9a4c98c093dcf2762aa4c2066396cdf2825224f0d91c8a
[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" "c27c8fab3f437651fd9a4c98c093dcf2762aa4c2066396cdf2825224f0d91c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedrs-bytes v0.4.6 (/opt/rustwide/workdir)
[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] 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[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[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] 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[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] [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 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] 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] 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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `take` exists for struct `std::io::Cursor<&[u8; 11]>`, but its trait bounds were not satisfied
[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 cannot be called on `std::io::Cursor<&[u8; 11]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[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 cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[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 cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> tests/test_from_buf.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let buf: Bytes = Cursor::new(SHORT).collect();
[INFO] [stdout]    |                                           ^^^^^^^ method cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> tests/test_from_buf.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |       let buf: Bytes = Cursor::new(LONG).collect();
[INFO] [stdout]    |                                          ^^^^^^^ method cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> tests/test_from_buf.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |       let buf: BytesMut = Cursor::new(SHORT).collect();
[INFO] [stdout]    |                                              ^^^^^^^ method cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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]: the method `collect` exists for struct `std::io::Cursor<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> tests/test_from_buf.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |       let buf: BytesMut = Cursor::new(LONG).collect();
[INFO] [stdout]    |                                             ^^^^^^^ method cannot be called on `std::io::Cursor<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: 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" "c27c8fab3f437651fd9a4c98c093dcf2762aa4c2066396cdf2825224f0d91c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27c8fab3f437651fd9a4c98c093dcf2762aa4c2066396cdf2825224f0d91c8a", kill_on_drop: false }`
[INFO] [stdout] c27c8fab3f437651fd9a4c98c093dcf2762aa4c2066396cdf2825224f0d91c8a
