[INFO] fetching crate async-codec 0.4.0...
[INFO] testing async-codec-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async-codec 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-codec 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-codec 0.4.0
[INFO] finished tweaking crates.io crate async-codec 0.4.0
[INFO] tweaked toml for crates.io crate async-codec 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polymer-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a7bf808d2e1dfebe0acac36941523490e48a67db17523c6aecd881931c82b3c
[INFO] running `Command { std: "docker" "start" "-a" "5a7bf808d2e1dfebe0acac36941523490e48a67db17523c6aecd881931c82b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7bf808d2e1dfebe0acac36941523490e48a67db17523c6aecd881931c82b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7bf808d2e1dfebe0acac36941523490e48a67db17523c6aecd881931c82b3c", kill_on_drop: false }`
[INFO] [stdout] 5a7bf808d2e1dfebe0acac36941523490e48a67db17523c6aecd881931c82b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc71c0abbf4fa1203444263a87f9aa49bf1ec2c665ce51d1ea9700389181977
[INFO] running `Command { std: "docker" "start" "-a" "fdc71c0abbf4fa1203444263a87f9aa49bf1ec2c665ce51d1ea9700389181977", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling async-codec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "fdc71c0abbf4fa1203444263a87f9aa49bf1ec2c665ce51d1ea9700389181977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc71c0abbf4fa1203444263a87f9aa49bf1ec2c665ce51d1ea9700389181977", kill_on_drop: false }`
[INFO] [stdout] fdc71c0abbf4fa1203444263a87f9aa49bf1ec2c665ce51d1ea9700389181977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 574d857891664d20200eed09c9c7ea12580f21b6aae37b716d2817068bb8bcf3
[INFO] running `Command { std: "docker" "start" "-a" "574d857891664d20200eed09c9c7ea12580f21b6aae37b716d2817068bb8bcf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-codec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "574d857891664d20200eed09c9c7ea12580f21b6aae37b716d2817068bb8bcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574d857891664d20200eed09c9c7ea12580f21b6aae37b716d2817068bb8bcf3", kill_on_drop: false }`
[INFO] [stdout] 574d857891664d20200eed09c9c7ea12580f21b6aae37b716d2817068bb8bcf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94fb23b6b0e26a929af8ca640860c19eeb6db3d26798da9a38c62d948329d0b8
[INFO] running `Command { std: "docker" "start" "-a" "94fb23b6b0e26a929af8ca640860c19eeb6db3d26798da9a38c62d948329d0b8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_codec-94dbb82af64de3a5)
[INFO] [stdout] test framed_std::test::test_framed_stream ... ok
[INFO] [stdout] test framed_std::test::test_framed_sink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-codec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94fb23b6b0e26a929af8ca640860c19eeb6db3d26798da9a38c62d948329d0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fb23b6b0e26a929af8ca640860c19eeb6db3d26798da9a38c62d948329d0b8", kill_on_drop: false }`
[INFO] [stdout] 94fb23b6b0e26a929af8ca640860c19eeb6db3d26798da9a38c62d948329d0b8