[INFO] fetching crate encodingbufreader 0.1.1...
[INFO] testing encodingbufreader-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate encodingbufreader 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate encodingbufreader 0.1.1 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 encodingbufreader 0.1.1
[INFO] finished tweaking crates.io crate encodingbufreader 0.1.1
[INFO] tweaked toml for crates.io crate encodingbufreader 0.1.1 written to /workspace/builds/worker-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 10d1196bd54c56d594fe886c5288c7bbf06b37a74516d01379ce6f440ee140a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10d1196bd54c56d594fe886c5288c7bbf06b37a74516d01379ce6f440ee140a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10d1196bd54c56d594fe886c5288c7bbf06b37a74516d01379ce6f440ee140a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d1196bd54c56d594fe886c5288c7bbf06b37a74516d01379ce6f440ee140a7", kill_on_drop: false }`
[INFO] [stdout] 10d1196bd54c56d594fe886c5288c7bbf06b37a74516d01379ce6f440ee140a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a5c9d8db9f90fa9636e1e5223688470f452c4036813b813b40e17f007af64104
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5c9d8db9f90fa9636e1e5223688470f452c4036813b813b40e17f007af64104", kill_on_drop: false }`
[INFO] [stderr]    Compiling encodingbufreader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "a5c9d8db9f90fa9636e1e5223688470f452c4036813b813b40e17f007af64104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c9d8db9f90fa9636e1e5223688470f452c4036813b813b40e17f007af64104", kill_on_drop: false }`
[INFO] [stdout] a5c9d8db9f90fa9636e1e5223688470f452c4036813b813b40e17f007af64104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 106073ccdb3711ed7d4196e2a40986e08304711224f7fe2a3d94562680955fe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "106073ccdb3711ed7d4196e2a40986e08304711224f7fe2a3d94562680955fe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling encodingbufreader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "106073ccdb3711ed7d4196e2a40986e08304711224f7fe2a3d94562680955fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106073ccdb3711ed7d4196e2a40986e08304711224f7fe2a3d94562680955fe8", kill_on_drop: false }`
[INFO] [stdout] 106073ccdb3711ed7d4196e2a40986e08304711224f7fe2a3d94562680955fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b054e1ef52110279be19db7d4c14341951b8237f6368b4f97d5f95fee8494980
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b054e1ef52110279be19db7d4c14341951b8237f6368b4f97d5f95fee8494980", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/encodingbufreader-ee083da496f71559)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests encodingbufreader
[INFO] [stdout] test tests::test_decode_gb18030 ... ok
[INFO] [stdout] test tests::test_decode_readline ... ok
[INFO] [stdout] test tests::test_decodeuft8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - BufReaderEncoding<R>::lines (line 103) ... FAILED
[INFO] [stdout] test src/lib.rs - BufReaderEncoding<R>::read_line (line 145) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - BufReaderEncoding<R>::lines (line 103) stdout ----
[INFO] [stdout] error[E0599]: the method `map` exists for struct `BufReaderEncoding<&[u8]>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:108:58
[INFO] [stdout]    |
[INFO] [stdout] 8  | let mut lines_iter = BufReaderEncoding::new(bytes,UTF_8).map(|l| l.unwrap());
[INFO] [stdout]    |                                                          ^^^ method cannot be called on `BufReaderEncoding<&[u8]>` due to unsatisfied trait bounds
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct BufReaderEncoding<R> {
[INFO] [stdout]    | ------------------------------- doesn't satisfy `BufReaderEncoding<&[u8]>: Iterator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `BufReaderEncoding<&[u8]>: Iterator`
[INFO] [stdout]            which is required by `&mut BufReaderEncoding<&[u8]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - BufReaderEncoding<R>::lines (line 103)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b054e1ef52110279be19db7d4c14341951b8237f6368b4f97d5f95fee8494980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b054e1ef52110279be19db7d4c14341951b8237f6368b4f97d5f95fee8494980", kill_on_drop: false }`
[INFO] [stdout] b054e1ef52110279be19db7d4c14341951b8237f6368b4f97d5f95fee8494980