[INFO] fetching crate dencode 0.3.0...
[INFO] testing dencode-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dencode 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate dencode 0.3.0 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 dencode 0.3.0
[INFO] finished tweaking crates.io crate dencode 0.3.0
[INFO] tweaked toml for crates.io crate dencode 0.3.0 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 558a52f4246e381e826bdb89ade35869a421192c8507c5ecbcf20238c783df78
[INFO] running `Command { std: "docker" "start" "-a" "558a52f4246e381e826bdb89ade35869a421192c8507c5ecbcf20238c783df78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558a52f4246e381e826bdb89ade35869a421192c8507c5ecbcf20238c783df78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558a52f4246e381e826bdb89ade35869a421192c8507c5ecbcf20238c783df78", kill_on_drop: false }`
[INFO] [stdout] 558a52f4246e381e826bdb89ade35869a421192c8507c5ecbcf20238c783df78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 3996b4abbe4851ed9c791f0df13a2a491f05ce92ac65a203584714a7385cedf1
[INFO] running `Command { std: "docker" "start" "-a" "3996b4abbe4851ed9c791f0df13a2a491f05ce92ac65a203584714a7385cedf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling dencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.27s
[INFO] running `Command { std: "docker" "inspect" "3996b4abbe4851ed9c791f0df13a2a491f05ce92ac65a203584714a7385cedf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3996b4abbe4851ed9c791f0df13a2a491f05ce92ac65a203584714a7385cedf1", kill_on_drop: false }`
[INFO] [stdout] 3996b4abbe4851ed9c791f0df13a2a491f05ce92ac65a203584714a7385cedf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 00e2d4c7a2767ab65cc3e3f6ab5477f21a6b4c5153354ecff9e344dd8b165d5e
[INFO] running `Command { std: "docker" "start" "-a" "00e2d4c7a2767ab65cc3e3f6ab5477f21a6b4c5153354ecff9e344dd8b165d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling dencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "00e2d4c7a2767ab65cc3e3f6ab5477f21a6b4c5153354ecff9e344dd8b165d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e2d4c7a2767ab65cc3e3f6ab5477f21a6b4c5153354ecff9e344dd8b165d5e", kill_on_drop: false }`
[INFO] [stdout] 00e2d4c7a2767ab65cc3e3f6ab5477f21a6b4c5153354ecff9e344dd8b165d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 62e972762c4920bc526a4bb43fda817ebe9f77dd3b4c98a3d64016be86ba7956
[INFO] running `Command { std: "docker" "start" "-a" "62e972762c4920bc526a4bb43fda817ebe9f77dd3b4c98a3d64016be86ba7956", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dencode-8e16992821996c75)
[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] [stderr]      Running tests/bytes.rs (/opt/rustwide/target/debug/deps/bytes-d10762f14381dfc7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test decodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/framed_read.rs (/opt/rustwide/target/debug/deps/framed_read-cbb5005fbdb9529d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blocking_line_read_multi ... ok
[INFO] [stdout] test blocking_decode_lines ... ok
[INFO] [stdout] test line_read_multi ... ok
[INFO] [stdout] test blocking_decode_bytes ... ok
[INFO] [stderr]      Running tests/framed_write.rs (/opt/rustwide/target/debug/deps/framed_write-6d34d14d03a55ac5)
[INFO] [stdout] test blocking_read_few_messages ... ok
[INFO] [stdout] test read_few_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test line_write_to_eof ... ok
[INFO] [stdout] test line_write ... ok
[INFO] [stdout] test blocking_line_write ... ok
[INFO] [stderr]      Running tests/lines.rs (/opt/rustwide/target/debug/deps/lines-05eabd26043bfb6e)
[INFO] [stdout] test send_high_water_mark ... ok
[INFO] [stdout] test blocking_send_high_water_mark ... ok
[INFO] [stdout] test blocking_write_to_eof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dencode
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/codec/lines.rs - codec::lines::LinesCodec (line 9) ... ok
[INFO] [stdout] test src/framed_read.rs - framed_read::FramedRead (line 15) ... ok
[INFO] [stdout] test src/framed.rs - framed::Framed (line 17) ... ok
[INFO] [stdout] test src/framed_write.rs - framed_write::FramedWrite (line 18) ... ok
[INFO] [stdout] test src/codec/bytes.rs - codec::bytes::BytesCodec (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62e972762c4920bc526a4bb43fda817ebe9f77dd3b4c98a3d64016be86ba7956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e972762c4920bc526a4bb43fda817ebe9f77dd3b4c98a3d64016be86ba7956", kill_on_drop: false }`
[INFO] [stdout] 62e972762c4920bc526a4bb43fda817ebe9f77dd3b4c98a3d64016be86ba7956