[INFO] fetching crate df_cp437 1.1.0...
[INFO] testing df_cp437-1.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate df_cp437 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate df_cp437 1.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate df_cp437 1.1.0
[INFO] finished tweaking crates.io crate df_cp437 1.1.0
[INFO] tweaked toml for crates.io crate df_cp437 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1f6354f2d7902467585b17336ac1db4cbd84dcd1d164fff23b5e2ce5e72908
[INFO] running `Command { std: "docker" "start" "-a" "ac1f6354f2d7902467585b17336ac1db4cbd84dcd1d164fff23b5e2ce5e72908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1f6354f2d7902467585b17336ac1db4cbd84dcd1d164fff23b5e2ce5e72908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1f6354f2d7902467585b17336ac1db4cbd84dcd1d164fff23b5e2ce5e72908", kill_on_drop: false }`
[INFO] [stdout] ac1f6354f2d7902467585b17336ac1db4cbd84dcd1d164fff23b5e2ce5e72908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf5553ba8437607fc5274c6d5cad611516e0307fb7d844a4e9cac7a4253d03b
[INFO] running `Command { std: "docker" "start" "-a" "daf5553ba8437607fc5274c6d5cad611516e0307fb7d844a4e9cac7a4253d03b", kill_on_drop: false }`
[INFO] [stderr]    Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "daf5553ba8437607fc5274c6d5cad611516e0307fb7d844a4e9cac7a4253d03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf5553ba8437607fc5274c6d5cad611516e0307fb7d844a4e9cac7a4253d03b", kill_on_drop: false }`
[INFO] [stdout] daf5553ba8437607fc5274c6d5cad611516e0307fb7d844a4e9cac7a4253d03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791d6ab2708ce41f6e0f5b6567266b810339617f472b1e86a7e6a45956350d9f
[INFO] running `Command { std: "docker" "start" "-a" "791d6ab2708ce41f6e0f5b6567266b810339617f472b1e86a7e6a45956350d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "791d6ab2708ce41f6e0f5b6567266b810339617f472b1e86a7e6a45956350d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791d6ab2708ce41f6e0f5b6567266b810339617f472b1e86a7e6a45956350d9f", kill_on_drop: false }`
[INFO] [stdout] 791d6ab2708ce41f6e0f5b6567266b810339617f472b1e86a7e6a45956350d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21beb2cea1df5c0821a8a374b10a0b1b59dfcef588ba570c52404d221f692052
[INFO] running `Command { std: "docker" "start" "-a" "21beb2cea1df5c0821a8a374b10a0b1b59dfcef588ba570c52404d221f692052", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/df_cp437-6bccc281532d7c52)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_text ... ok
[INFO] [stdout] test convert_to_char::tests::test_char_convert ... ok
[INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_chars ... ok
[INFO] [stdout] test string_convert::tests::test_string_convert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests df_cp437
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::into_inner (line 169) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::get_ref (line 76) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::new (line 38) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::buffer (line 120) - compile ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::get_mut (line 98) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bufreader.rs:144:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `buffered_io_capacity` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bufreader.rs:144:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21beb2cea1df5c0821a8a374b10a0b1b59dfcef588ba570c52404d221f692052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21beb2cea1df5c0821a8a374b10a0b1b59dfcef588ba570c52404d221f692052", kill_on_drop: false }`
[INFO] [stdout] 21beb2cea1df5c0821a8a374b10a0b1b59dfcef588ba570c52404d221f692052
[INFO] testing df_cp437-1.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate df_cp437 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate df_cp437 1.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate df_cp437 1.1.0
[INFO] finished tweaking crates.io crate df_cp437 1.1.0
[INFO] tweaked toml for crates.io crate df_cp437 1.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c878bfb8edac65561b2e4375a791cde2112916089b413c9d32a5d365772bcd7
[INFO] running `Command { std: "docker" "start" "-a" "6c878bfb8edac65561b2e4375a791cde2112916089b413c9d32a5d365772bcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c878bfb8edac65561b2e4375a791cde2112916089b413c9d32a5d365772bcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c878bfb8edac65561b2e4375a791cde2112916089b413c9d32a5d365772bcd7", kill_on_drop: false }`
[INFO] [stdout] 6c878bfb8edac65561b2e4375a791cde2112916089b413c9d32a5d365772bcd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a77ceeb30118dc9e6220a52a529b59d581a2b72798ed168cd3f334fe1810dd88
[INFO] running `Command { std: "docker" "start" "-a" "a77ceeb30118dc9e6220a52a529b59d581a2b72798ed168cd3f334fe1810dd88", kill_on_drop: false }`
[INFO] [stderr]    Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "a77ceeb30118dc9e6220a52a529b59d581a2b72798ed168cd3f334fe1810dd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77ceeb30118dc9e6220a52a529b59d581a2b72798ed168cd3f334fe1810dd88", kill_on_drop: false }`
[INFO] [stdout] a77ceeb30118dc9e6220a52a529b59d581a2b72798ed168cd3f334fe1810dd88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c4d46a1fa5678c6ee6c6ea4846c6465acb438e818f1d173342c005c94b3271
[INFO] running `Command { std: "docker" "start" "-a" "54c4d46a1fa5678c6ee6c6ea4846c6465acb438e818f1d173342c005c94b3271", kill_on_drop: false }`
[INFO] [stderr]    Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "54c4d46a1fa5678c6ee6c6ea4846c6465acb438e818f1d173342c005c94b3271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c4d46a1fa5678c6ee6c6ea4846c6465acb438e818f1d173342c005c94b3271", kill_on_drop: false }`
[INFO] [stdout] 54c4d46a1fa5678c6ee6c6ea4846c6465acb438e818f1d173342c005c94b3271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdb13533b8d4cbc571098d753351a9a381f4885262df289a8fd754183d1a7d42
[INFO] running `Command { std: "docker" "start" "-a" "cdb13533b8d4cbc571098d753351a9a381f4885262df289a8fd754183d1a7d42", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/df_cp437-edbd60d9fccc1a45)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test string_convert::tests::test_string_convert ... ok
[INFO] [stdout] test convert_to_char::tests::test_char_convert ... ok
[INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_chars ... ok
[INFO] [stderr]    Doc-tests df_cp437
[INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::buffer (line 120) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::new (line 38) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::into_inner (line 169) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::get_mut (line 98) - compile ... ok
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143) - compile ... FAILED
[INFO] [stdout] test src/bufreader.rs - bufreader::BufReader<R,T>::get_ref (line 76) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bufreader.rs:144:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `buffered_io_capacity` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bufreader.rs:144:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/bufreader.rs - bufreader::BufReader<R,T>::capacity (line 143)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "cdb13533b8d4cbc571098d753351a9a381f4885262df289a8fd754183d1a7d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb13533b8d4cbc571098d753351a9a381f4885262df289a8fd754183d1a7d42", kill_on_drop: false }`
[INFO] [stdout] cdb13533b8d4cbc571098d753351a9a381f4885262df289a8fd754183d1a7d42
