[INFO] fetching crate data-streams 2.0.0-pre.3...
[INFO] checking data-streams-2.0.0-pre.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate data-streams 2.0.0-pre.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate data-streams 2.0.0-pre.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate data-streams 2.0.0-pre.3
[INFO] tweaked toml for crates.io crate data-streams 2.0.0-pre.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate data-streams 2.0.0-pre.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate data-streams 2.0.0-pre.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190175e7fdd4a48b7353718e5ef8de19adf4ae24115f8d45b3e0fa54b7cc20e9
[INFO] running `Command { std: "docker" "start" "-a" "190175e7fdd4a48b7353718e5ef8de19adf4ae24115f8d45b3e0fa54b7cc20e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190175e7fdd4a48b7353718e5ef8de19adf4ae24115f8d45b3e0fa54b7cc20e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190175e7fdd4a48b7353718e5ef8de19adf4ae24115f8d45b3e0fa54b7cc20e9", kill_on_drop: false }`
[INFO] [stdout] 190175e7fdd4a48b7353718e5ef8de19adf4ae24115f8d45b3e0fa54b7cc20e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223f5ca8c378fd389f9e486b9cbc03da57e8230783ef851ebe76ad773af7b445
[INFO] running `Command { std: "docker" "start" "-a" "223f5ca8c378fd389f9e486b9cbc03da57e8230783ef851ebe76ad773af7b445", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking bytemuck v1.16.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking data-streams v2.0.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stdout] warning: unused import: `data_streams::DataSource`
[INFO] [stdout]   --> tests/utf8.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use data_streams::DataSource;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for reference `&[u8]` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:70:33
[INFO] [stdout]     |
[INFO] [stdout] 70  |         let result = input.as_bytes().read_utf8(&mut buf);
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:78:43
[INFO] [stdout]     |
[INFO] [stdout] 78  |         let result = input.clone().into_bytes().read_utf8(&mut buf);
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for struct `VecDeque` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:86:36
[INFO] [stdout]     |
[INFO] [stdout] 86  |         let result = input.deque.clone().read_utf8(&mut buf);
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for reference `&[u8]` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:96:33
[INFO] [stdout]     |
[INFO] [stdout] 96  |         let result = input.as_slice().read_utf8(&mut buf);
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let result = input.clone().read_utf8(&mut buf);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_utf8` found for struct `VecDeque` in the current scope
[INFO] [stdout]    --> tests/utf8.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let result = input.deque.clone().read_utf8(&mut buf);
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_u8` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/workdir/src/source.rs:115:2
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn read_u8(&mut self) -> Result<u8> { self.read_data() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data-streams` (test "utf8") due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "223f5ca8c378fd389f9e486b9cbc03da57e8230783ef851ebe76ad773af7b445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223f5ca8c378fd389f9e486b9cbc03da57e8230783ef851ebe76ad773af7b445", kill_on_drop: false }`
[INFO] [stdout] 223f5ca8c378fd389f9e486b9cbc03da57e8230783ef851ebe76ad773af7b445