[INFO] fetching crate base_utf8 0.1.0...
[INFO] testing base_utf8-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate base_utf8 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate base_utf8 0.1.0
[INFO] finished tweaking crates.io crate base_utf8 0.1.0
[INFO] tweaked toml for crates.io crate base_utf8 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate base_utf8 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 181b6dbaa8dc684ffbcf2cafc58ec74ff579789891cdc4ee37a6d2524c59a9eb
[INFO] running `Command { std: "docker" "start" "-a" "181b6dbaa8dc684ffbcf2cafc58ec74ff579789891cdc4ee37a6d2524c59a9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "181b6dbaa8dc684ffbcf2cafc58ec74ff579789891cdc4ee37a6d2524c59a9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181b6dbaa8dc684ffbcf2cafc58ec74ff579789891cdc4ee37a6d2524c59a9eb", kill_on_drop: false }`
[INFO] [stdout] 181b6dbaa8dc684ffbcf2cafc58ec74ff579789891cdc4ee37a6d2524c59a9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f71ee48eea6ab30e32c062b58c9b295eed1f301637a988d0ba44181ab8ff8d2
[INFO] running `Command { std: "docker" "start" "-a" "1f71ee48eea6ab30e32c062b58c9b295eed1f301637a988d0ba44181ab8ff8d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling base_utf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_methods` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks_mut` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for i in arr.array_chunks::<7>().zip(ans.array_chunks_mut::<8>()) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `rchunks_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:1724:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for reference `&[u8]` in the current scope
[INFO] [stdout]   --> src/lib.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     decode87(arr.array_chunks::<8>().next().unwrap(), firest_chunk.each_mut());
[INFO] [stdout]    |                  ^^^^^^^^^^^^ `&[u8]` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 51 |     decode87(arr.into_iter().array_chunks::<8>().next().unwrap(), firest_chunk.each_mut());
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for reference `&[u8]` in the current scope
[INFO] [stdout]   --> src/lib.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut arr_iter = arr.array_chunks::<8>();
[INFO] [stdout]    |                            ^^^^^^^^^^^^ `&[u8]` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut arr_iter = arr.into_iter().array_chunks::<8>();
[INFO] [stdout]    |                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `[u8]` is not an iterator
[INFO] [stdout]   --> src/lib.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         decode87(arr[(arr.len() - 8)..].array_chunks::<8>().next().unwrap(), buffer.each_mut());
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ `[u8]` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `[u8]: Iterator`
[INFO] [stdout]            which is required by `&mut [u8]: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `base_utf8` (lib) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1f71ee48eea6ab30e32c062b58c9b295eed1f301637a988d0ba44181ab8ff8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f71ee48eea6ab30e32c062b58c9b295eed1f301637a988d0ba44181ab8ff8d2", kill_on_drop: false }`
[INFO] [stdout] 1f71ee48eea6ab30e32c062b58c9b295eed1f301637a988d0ba44181ab8ff8d2