[INFO] crate tokio-jsoncodec 0.1.0 is already in cache
[INFO] testing tokio-jsoncodec-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate tokio-jsoncodec 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-jsoncodec 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-jsoncodec 0.1.0
[INFO] finished tweaking crates.io crate tokio-jsoncodec 0.1.0
[INFO] tweaked toml for crates.io crate tokio-jsoncodec 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 837883d8121b58e29fbdd68036cc3f37bcfcea07625c2705fcb3e02371662a8a
[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" "837883d8121b58e29fbdd68036cc3f37bcfcea07625c2705fcb3e02371662a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "837883d8121b58e29fbdd68036cc3f37bcfcea07625c2705fcb3e02371662a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837883d8121b58e29fbdd68036cc3f37bcfcea07625c2705fcb3e02371662a8a", kill_on_drop: false }`
[INFO] [stdout] 837883d8121b58e29fbdd68036cc3f37bcfcea07625c2705fcb3e02371662a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799711c1db626151df34daa95925a0e53cacd69d4995cee0594b662f82332302
[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" "799711c1db626151df34daa95925a0e53cacd69d4995cee0594b662f82332302", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-jsoncodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "799711c1db626151df34daa95925a0e53cacd69d4995cee0594b662f82332302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799711c1db626151df34daa95925a0e53cacd69d4995cee0594b662f82332302", kill_on_drop: false }`
[INFO] [stdout] 799711c1db626151df34daa95925a0e53cacd69d4995cee0594b662f82332302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2941a6f93838b4d5cc0c37431b3915dc3d3ec568a950a2413eceec9a9ea68a9c
[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" "2941a6f93838b4d5cc0c37431b3915dc3d3ec568a950a2413eceec9a9ea68a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-jsoncodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "2941a6f93838b4d5cc0c37431b3915dc3d3ec568a950a2413eceec9a9ea68a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2941a6f93838b4d5cc0c37431b3915dc3d3ec568a950a2413eceec9a9ea68a9c", kill_on_drop: false }`
[INFO] [stdout] 2941a6f93838b4d5cc0c37431b3915dc3d3ec568a950a2413eceec9a9ea68a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c866d86bbf70687b6a6de58bfe220aac9d0ed021bceb5da6d6b28eb2333ad59
[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" "9c866d86bbf70687b6a6de58bfe220aac9d0ed021bceb5da6d6b28eb2333ad59", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_jsoncodec-4279fe43d2ccc094
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::decode_partial ... ok
[INFO] [stdout] test tests::decode ... ok
[INFO] [stdout] test tests::decode_eof_trailing_whitespae ... ok
[INFO] [stdout] test tests::decode_err ... ok
[INFO] [stdout] test tests::encode ... ok
[INFO] [stdout] test tests::encode_pretty ... ok
[INFO] [stdout] test tests::decode_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-jsoncodec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c866d86bbf70687b6a6de58bfe220aac9d0ed021bceb5da6d6b28eb2333ad59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c866d86bbf70687b6a6de58bfe220aac9d0ed021bceb5da6d6b28eb2333ad59", kill_on_drop: false }`
[INFO] [stdout] 9c866d86bbf70687b6a6de58bfe220aac9d0ed021bceb5da6d6b28eb2333ad59