[INFO] fetching crate show-bytes 0.2.0...
[INFO] testing show-bytes-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate show-bytes 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate show-bytes 0.2.0
[INFO] finished tweaking crates.io crate show-bytes 0.2.0
[INFO] tweaked toml for crates.io crate show-bytes 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate show-bytes 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc293907a0bbc1eab7fbbf97963aeed8e4898838412e0d7c0a6502250fa9b554
[INFO] running `Command { std: "docker" "start" "-a" "dc293907a0bbc1eab7fbbf97963aeed8e4898838412e0d7c0a6502250fa9b554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc293907a0bbc1eab7fbbf97963aeed8e4898838412e0d7c0a6502250fa9b554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc293907a0bbc1eab7fbbf97963aeed8e4898838412e0d7c0a6502250fa9b554", kill_on_drop: false }`
[INFO] [stdout] dc293907a0bbc1eab7fbbf97963aeed8e4898838412e0d7c0a6502250fa9b554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bd2968dd1b5af560fca93121a0cddc3c9fc4af287aeddcf3b0aa7b0460967e6
[INFO] running `Command { std: "docker" "start" "-a" "5bd2968dd1b5af560fca93121a0cddc3c9fc4af287aeddcf3b0aa7b0460967e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling show-bytes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5bd2968dd1b5af560fca93121a0cddc3c9fc4af287aeddcf3b0aa7b0460967e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd2968dd1b5af560fca93121a0cddc3c9fc4af287aeddcf3b0aa7b0460967e6", kill_on_drop: false }`
[INFO] [stdout] 5bd2968dd1b5af560fca93121a0cddc3c9fc4af287aeddcf3b0aa7b0460967e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f70f44e90d0057f584fb65778b9eedd626af8aa7f32eb995e4a63a4c29f659
[INFO] running `Command { std: "docker" "start" "-a" "95f70f44e90d0057f584fb65778b9eedd626af8aa7f32eb995e4a63a4c29f659", kill_on_drop: false }`
[INFO] [stderr]    Compiling show-bytes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "95f70f44e90d0057f584fb65778b9eedd626af8aa7f32eb995e4a63a4c29f659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f70f44e90d0057f584fb65778b9eedd626af8aa7f32eb995e4a63a4c29f659", kill_on_drop: false }`
[INFO] [stdout] 95f70f44e90d0057f584fb65778b9eedd626af8aa7f32eb995e4a63a4c29f659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80da8360ed6189a238626c222ee92ba441ad65219432fd0607b350d7ba1f1275
[INFO] running `Command { std: "docker" "start" "-a" "80da8360ed6189a238626c222ee92ba441ad65219432fd0607b350d7ba1f1275", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/show_bytes-ed7eb5b68fd6487d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests show_bytes
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `show_bytes::println`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use show_bytes::println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `println` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `OsString` in this scope
[INFO] [stdout]   --> src/lib.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 | let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/string.rs:353:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `String` defined here
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 43 - let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout] 43 + let bytes_os_string: String = OsString::from(bytes_str);
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `OsString` in this scope
[INFO] [stdout]   --> src/lib.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 | let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout]    |                                 ^^^^^^^^ use of undeclared type `OsString`
[INFO] [stdout]    |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 43 - let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout] 43 + let bytes_os_string: OsString = String::from(bytes_str);
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `OsString` in this scope
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 | let bytes_os_string: &OsString = &bytes_os_string;
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/string.rs:353:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `String` defined here
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 45 - let bytes_os_string: &OsString = &bytes_os_string;
[INFO] [stdout] 45 + let bytes_os_string: &String = &bytes_os_string;
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `OsStr` in this scope
[INFO] [stdout]   --> src/lib.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 | let bytes_os_str: &OsStr = OsStr::from_bytes(bytes_slice);
[INFO] [stdout]    |                    ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::ffi::OsStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `OsStr` in this scope
[INFO] [stdout]   --> src/lib.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 | let bytes_os_str: &OsStr = OsStr::from_bytes(bytes_slice);
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `OsStr`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::ffi::OsStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cursor` in this scope
[INFO] [stdout]   --> src/lib.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 | let cursor = Cursor::new(vec![72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |              ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `VecDeque` in this scope
[INFO] [stdout]   --> src/lib.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 | let mut vec_deque = VecDeque::new();
[INFO] [stdout]    |                     ^^^^^^^^ use of undeclared type `VecDeque`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] error[E0425]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 | let cow_slice: Cow<[u8]> = Cow::Borrowed(&[72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 | let cow_slice: Cow<[u8]> = Cow::Borrowed(&[72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                            ^^^ use of undeclared type `Cow`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 | let cow_slice: Cow<[u8]> = Cow::Owned(vec![72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 | let cow_slice: Cow<[u8]> = Cow::Owned(vec![72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                            ^^^ use of undeclared type `Cow`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Arc` in this scope
[INFO] [stdout]   --> src/lib.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 | let arc_slice = Arc::new(vec![72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                 ^^^ use of undeclared type `Arc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::sync::Arc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Rc` in this scope
[INFO] [stdout]   --> src/lib.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 | let rc_slice = Rc::new(vec![72, 101, 108, 108, 111, 0, 255]);
[INFO] [stdout]    |                ^^ use of undeclared type `Rc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  6 + use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80da8360ed6189a238626c222ee92ba441ad65219432fd0607b350d7ba1f1275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80da8360ed6189a238626c222ee92ba441ad65219432fd0607b350d7ba1f1275", kill_on_drop: false }`
[INFO] [stdout] 80da8360ed6189a238626c222ee92ba441ad65219432fd0607b350d7ba1f1275
