[INFO] fetching crate df_cp437 1.1.0... [INFO] testing df_cp437-1.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate df_cp437 1.1.0 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate df_cp437 1.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-26/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 857ff3eca46bf47466a98321c2c831807b4923b32710ac1ab17af967b6e90a2b [INFO] running `Command { std: "docker" "start" "-a" "857ff3eca46bf47466a98321c2c831807b4923b32710ac1ab17af967b6e90a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "857ff3eca46bf47466a98321c2c831807b4923b32710ac1ab17af967b6e90a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857ff3eca46bf47466a98321c2c831807b4923b32710ac1ab17af967b6e90a2b", kill_on_drop: false }` [INFO] [stdout] 857ff3eca46bf47466a98321c2c831807b4923b32710ac1ab17af967b6e90a2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb4bdffab7cb578e827ef65f2e4f251dcf84e6d9f889e9050ab1a9b0d737b710 [INFO] running `Command { std: "docker" "start" "-a" "eb4bdffab7cb578e827ef65f2e4f251dcf84e6d9f889e9050ab1a9b0d737b710", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "eb4bdffab7cb578e827ef65f2e4f251dcf84e6d9f889e9050ab1a9b0d737b710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb4bdffab7cb578e827ef65f2e4f251dcf84e6d9f889e9050ab1a9b0d737b710", kill_on_drop: false }` [INFO] [stdout] eb4bdffab7cb578e827ef65f2e4f251dcf84e6d9f889e9050ab1a9b0d737b710 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb5e0ad22aba570d9ef1b2e613d33cd8e06444fa999321b8590032afe001df9b [INFO] running `Command { std: "docker" "start" "-a" "eb5e0ad22aba570d9ef1b2e613d33cd8e06444fa999321b8590032afe001df9b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling df_cp437 v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.30s [INFO] running `Command { std: "docker" "inspect" "eb5e0ad22aba570d9ef1b2e613d33cd8e06444fa999321b8590032afe001df9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb5e0ad22aba570d9ef1b2e613d33cd8e06444fa999321b8590032afe001df9b", kill_on_drop: false }` [INFO] [stdout] eb5e0ad22aba570d9ef1b2e613d33cd8e06444fa999321b8590032afe001df9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aadeee92706ad8780bbc9b8148ea37ae1bef20f40cd021403725a4b898e653e9 [INFO] running `Command { std: "docker" "start" "-a" "aadeee92706ad8780bbc9b8148ea37ae1bef20f40cd021403725a4b898e653e9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/df_cp437-a10f44e9db44dd45) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_chars ... ok [INFO] [stdout] test cp437::tests::test_cp437_byte_to_utf8_bytes_for_text ... ok [INFO] [stdout] test string_convert::tests::test_string_convert ... ok [INFO] [stdout] test convert_to_char::tests::test_char_convert ... 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] [stderr] Doc-tests df_cp437 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::new (line 38) - compile ... ok [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::buffer (line 120) - compile ... ok [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::get_ref (line 76) - compile ... ok [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::into_inner (line 169) - compile ... ok [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::capacity (line 143) - compile ... FAILED [INFO] [stdout] test src/bufreader.rs - bufreader::BufReader::get_mut (line 98) - compile ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/bufreader.rs - bufreader::BufReader::capacity (line 143) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/bufreader.rs:144:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(buffered_io_capacity)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/bufreader.rs - bufreader::BufReader::capacity (line 143) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "aadeee92706ad8780bbc9b8148ea37ae1bef20f40cd021403725a4b898e653e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aadeee92706ad8780bbc9b8148ea37ae1bef20f40cd021403725a4b898e653e9", kill_on_drop: false }` [INFO] [stdout] aadeee92706ad8780bbc9b8148ea37ae1bef20f40cd021403725a4b898e653e9