[INFO] fetching crate mpd_protocol 0.8.0...
[INFO] testing mpd_protocol-0.8.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mpd_protocol 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mpd_protocol 0.8.0 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 mpd_protocol 0.8.0
[INFO] finished tweaking crates.io crate mpd_protocol 0.8.0
[INFO] tweaked toml for crates.io crate mpd_protocol 0.8.0 written to /workspace/builds/worker-3/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] 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ed5060f9de71ce6a983542c0701f67a4cd16411bec36d25fced5329bab4fbdf8
[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" "ed5060f9de71ce6a983542c0701f67a4cd16411bec36d25fced5329bab4fbdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5060f9de71ce6a983542c0701f67a4cd16411bec36d25fced5329bab4fbdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5060f9de71ce6a983542c0701f67a4cd16411bec36d25fced5329bab4fbdf8", kill_on_drop: false }`
[INFO] [stdout] ed5060f9de71ce6a983542c0701f67a4cd16411bec36d25fced5329bab4fbdf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 15201d3e5a5d28d7c26e623a54db5ae4d9f968f9948bc05d87cc1fcadf01d509
[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" "15201d3e5a5d28d7c26e623a54db5ae4d9f968f9948bc05d87cc1fcadf01d509", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling tracing-core v0.1.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling mpd_protocol v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.61s
[INFO] running `Command { std: "docker" "inspect" "15201d3e5a5d28d7c26e623a54db5ae4d9f968f9948bc05d87cc1fcadf01d509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15201d3e5a5d28d7c26e623a54db5ae4d9f968f9948bc05d87cc1fcadf01d509", kill_on_drop: false }`
[INFO] [stdout] 15201d3e5a5d28d7c26e623a54db5ae4d9f968f9948bc05d87cc1fcadf01d509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8f18efac03581778e4d135d99c35c3f3a8779f046e5f1e9fe94fc841c49f337a
[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" "8f18efac03581778e4d135d99c35c3f3a8779f046e5f1e9fe94fc841c49f337a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling mpd_protocol v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "8f18efac03581778e4d135d99c35c3f3a8779f046e5f1e9fe94fc841c49f337a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f18efac03581778e4d135d99c35c3f3a8779f046e5f1e9fe94fc841c49f337a", kill_on_drop: false }`
[INFO] [stdout] 8f18efac03581778e4d135d99c35c3f3a8779f046e5f1e9fe94fc841c49f337a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2e83660362e1dd3be046cfa01faf983a1b170fbf0bff3b15eccf5d5f58cb572f
[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" "2e83660362e1dd3be046cfa01faf983a1b170fbf0bff3b15eccf5d5f58cb572f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpd_protocol-edb5feaabb21f48c
[INFO] [stdout] running 25 tests
[INFO] [stdout] test codec::tests::binary_response ... ok
[INFO] [stdout] test codec::tests::decoder_ignores_trailing_data ... ok
[INFO] [stdout] test codec::tests::multiple_messages ... ok
[INFO] [stdout] test codec::tests::cursor_reset ... ok
[INFO] [stdout] test parser::test::field ... ok
[INFO] [stdout] test parser::test::error ... ok
[INFO] [stdout] test parser::test::greeting ... ok
[INFO] [stdout] test response::frame::tests::accessors ... ok
[INFO] [stdout] test response::frame::tests::binary ... ok
[INFO] [stdout] test response::frame::tests::iter ... ok
[INFO] [stdout] test response::frame::tests::owned_iter ... ok
[INFO] [stdout] test response::frame::tests::length ... ok
[INFO] [stdout] test response::test::borrowed_frames_iter ... ok
[INFO] [stdout] test response::test::owned_frames_iter ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/full_interaction-a91cef3873166831
[INFO] [stdout] test codec::tests::encoder ... ok
[INFO] [stderr]    Doc-tests mpd_protocol
[INFO] [stdout] test command::test::argument_escaping ... ok
[INFO] [stdout] test command::test::argument_rendering ... ok
[INFO] [stdout] test codec::tests::command_list ... ok
[INFO] [stdout] test codec::tests::empty_response ... ok
[INFO] [stdout] test codec::tests::simple_response ... ok
[INFO] [stdout] test parser::test::end_markers ... ok
[INFO] [stdout] test codec::tests::connect ... ok
[INFO] [stdout] test command::test::command_list_render ... ok
[INFO] [stdout] test parser::test::binary_field ... ok
[INFO] [stdout] test command::test::single_render ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test full_interaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/response.rs - response::Response::is_error (line 86) ... ok
[INFO] [stdout] test src/response.rs - response::Response::empty (line 70) ... ok
[INFO] [stdout] test src/response.rs - response::Response::new (line 38) ... ok
[INFO] [stdout] test src/response.rs - response::Response::frames (line 124) ... ok
[INFO] [stdout] test src/response.rs - response::Response::single_frame (line 143) ... ok
[INFO] [stdout] test src/response.rs - response::Response::len (line 112) ... ok
[INFO] [stdout] test src/response.rs - response::Response::new (line 51) ... ok
[INFO] [stdout] test src/response.rs - response::Response::is_success (line 98) ... ok
[INFO] [stdout] test src/command.rs - command::escape_argument (line 257) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e83660362e1dd3be046cfa01faf983a1b170fbf0bff3b15eccf5d5f58cb572f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e83660362e1dd3be046cfa01faf983a1b170fbf0bff3b15eccf5d5f58cb572f", kill_on_drop: false }`
[INFO] [stdout] 2e83660362e1dd3be046cfa01faf983a1b170fbf0bff3b15eccf5d5f58cb572f