[INFO] fetching crate show-bytes 0.2.0...
[INFO] testing show-bytes-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate show-bytes 0.2.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate show-bytes 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51b7dcc6445e747ed0a55fbd1e6c4d59bffccb25794507a21e597f82850e010a
[INFO] running `Command { std: "docker" "start" "-a" "51b7dcc6445e747ed0a55fbd1e6c4d59bffccb25794507a21e597f82850e010a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b7dcc6445e747ed0a55fbd1e6c4d59bffccb25794507a21e597f82850e010a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b7dcc6445e747ed0a55fbd1e6c4d59bffccb25794507a21e597f82850e010a", kill_on_drop: false }`
[INFO] [stdout] 51b7dcc6445e747ed0a55fbd1e6c4d59bffccb25794507a21e597f82850e010a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bc928c1b1d8e896cb65c3c329d044933cd18abe83badf7ee94fe30b9db235a
[INFO] running `Command { std: "docker" "start" "-a" "09bc928c1b1d8e896cb65c3c329d044933cd18abe83badf7ee94fe30b9db235a", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "09bc928c1b1d8e896cb65c3c329d044933cd18abe83badf7ee94fe30b9db235a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bc928c1b1d8e896cb65c3c329d044933cd18abe83badf7ee94fe30b9db235a", kill_on_drop: false }`
[INFO] [stdout] 09bc928c1b1d8e896cb65c3c329d044933cd18abe83badf7ee94fe30b9db235a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3916107f1cb1cea094a2cdb5085e51bca0c49c7387a7a107d439deb9edc8ef
[INFO] running `Command { std: "docker" "start" "-a" "ec3916107f1cb1cea094a2cdb5085e51bca0c49c7387a7a107d439deb9edc8ef", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "ec3916107f1cb1cea094a2cdb5085e51bca0c49c7387a7a107d439deb9edc8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3916107f1cb1cea094a2cdb5085e51bca0c49c7387a7a107d439deb9edc8ef", kill_on_drop: false }`
[INFO] [stdout] ec3916107f1cb1cea094a2cdb5085e51bca0c49c7387a7a107d439deb9edc8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 272acd55cb55b45699e6bd73baeeb8a7ffcd188dfe76fd5bdcc6553414ef475d
[INFO] running `Command { std: "docker" "start" "-a" "272acd55cb55b45699e6bd73baeeb8a7ffcd188dfe76fd5bdcc6553414ef475d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/show_bytes-f83a5b87e0ce6b23)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests show_bytes
[INFO] [stdout] 
[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] 5 | use show_bytes::println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `println` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `OsString` in this scope
[INFO] [stdout]   --> src/lib.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 39 | let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/string.rs:360:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `String` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 39 - let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout] 39 + let bytes_os_string: String = OsString::from(bytes_str);
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OsString`
[INFO] [stdout]   --> src/lib.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 39 | 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] 39 - let bytes_os_string: OsString = OsString::from(bytes_str);
[INFO] [stdout] 39 + let bytes_os_string: OsString = String::from(bytes_str);
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `OsString` in this scope
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 41 | let bytes_os_string: &OsString = &bytes_os_string;
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/string.rs:360:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `String` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 41 - let bytes_os_string: &OsString = &bytes_os_string;
[INFO] [stdout] 41 + let bytes_os_string: &String = &bytes_os_string;
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::ffi::OsString;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `OsStr` in this scope
[INFO] [stdout]   --> src/lib.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 45 | 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]  2 + use std::ffi::OsStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OsStr`
[INFO] [stdout]   --> src/lib.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 45 | 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]  2 + use std::ffi::OsStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/lib.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | 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 one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::collections::btree_map::Cursor;
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::collections::btree_set::Cursor;
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VecDeque`
[INFO] [stdout]   --> src/lib.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | 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]  2 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 72 | 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]  2 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cow`
[INFO] [stdout]   --> src/lib.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 72 | 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]  2 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | 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]  2 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cow`
[INFO] [stdout]   --> src/lib.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 74 | 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]  2 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Arc`
[INFO] [stdout]   --> src/lib.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | 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]  2 + use std::sync::Arc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/lib.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 82 | 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]  2 + 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: E0412, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[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 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "272acd55cb55b45699e6bd73baeeb8a7ffcd188dfe76fd5bdcc6553414ef475d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272acd55cb55b45699e6bd73baeeb8a7ffcd188dfe76fd5bdcc6553414ef475d", kill_on_drop: false }`
[INFO] [stdout] 272acd55cb55b45699e6bd73baeeb8a7ffcd188dfe76fd5bdcc6553414ef475d
