[INFO] fetching crate daemon-engine 0.6.0...
[INFO] testing daemon-engine-0.6.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate daemon-engine 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate daemon-engine 0.6.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daemon-engine 0.6.0
[INFO] finished tweaking crates.io crate daemon-engine 0.6.0
[INFO] tweaked toml for crates.io crate daemon-engine 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-async-await v0.1.7
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded tokio-serde v0.2.0
[INFO] [stderr]   Downloaded tokio-serde-json-mirror v0.1.0
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec346a5d73e6d0cbc610174650007753828f957a0c0bba740dc8a4900086c0c
[INFO] running `Command { std: "docker" "start" "-a" "0ec346a5d73e6d0cbc610174650007753828f957a0c0bba740dc8a4900086c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec346a5d73e6d0cbc610174650007753828f957a0c0bba740dc8a4900086c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec346a5d73e6d0cbc610174650007753828f957a0c0bba740dc8a4900086c0c", kill_on_drop: false }`
[INFO] [stdout] 0ec346a5d73e6d0cbc610174650007753828f957a0c0bba740dc8a4900086c0c
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e8d179f0377561e5db45ad529b5f8350bf8b4a4b063d486087f9a10116425a70
[INFO] running `Command { std: "docker" "start" "-a" "e8d179f0377561e5db45ad529b5f8350bf8b4a4b063d486087f9a10116425a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-serde v0.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tokio-async-await v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling users v0.7.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tokio-serde-json-mirror v0.1.0
[INFO] [stderr]    Compiling daemon-engine v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future`
[INFO] [stdout]   --> src/lib.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 | use futures::{future, Future, sync::oneshot};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.42s
[INFO] running `Command { std: "docker" "inspect" "e8d179f0377561e5db45ad529b5f8350bf8b4a4b063d486087f9a10116425a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d179f0377561e5db45ad529b5f8350bf8b4a4b063d486087f9a10116425a70", kill_on_drop: false }`
[INFO] [stdout] e8d179f0377561e5db45ad529b5f8350bf8b4a4b063d486087f9a10116425a70
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 769ada5706fdd40c5b97072240d474c16ac60b0a70706e9b0aef70c41cd41bd0
[INFO] running `Command { std: "docker" "start" "-a" "769ada5706fdd40c5b97072240d474c16ac60b0a70706e9b0aef70c41cd41bd0", kill_on_drop: false }`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future`
[INFO] [stdout]   --> src/lib.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 | use futures::{future, Future, sync::oneshot};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling daemon-engine v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future`
[INFO] [stdout]   --> src/lib.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 | use futures::{future, Future, sync::oneshot};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "769ada5706fdd40c5b97072240d474c16ac60b0a70706e9b0aef70c41cd41bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769ada5706fdd40c5b97072240d474c16ac60b0a70706e9b0aef70c41cd41bd0", kill_on_drop: false }`
[INFO] [stdout] 769ada5706fdd40c5b97072240d474c16ac60b0a70706e9b0aef70c41cd41bd0
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eea34b218fb0781adc09517a24bbc8a041825775b5593bf11035c3b74cfe270c
[INFO] running `Command { std: "docker" "start" "-a" "eea34b218fb0781adc09517a24bbc8a041825775b5593bf11035c3b74cfe270c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `future`
[INFO] [stderr]   --> src/lib.rs:83:15
[INFO] [stderr]    |
[INFO] [stderr] 83 | use futures::{future, Future, sync::oneshot};
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `daemon-engine` (lib) generated 2 warnings
[INFO] [stderr] warning: `daemon-engine` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/daemon_engine-a443f06517076982)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test codecs::json::test::json_codec_partial_decode ... ok
[INFO] [stdout] test codecs::json::test::json_codec_encode_decode ... ok
[INFO] [stdout] test connection::tests::client_ping_pong ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/main-b5793dcecf9a2a60)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test client_server_unix ... ok
[INFO] [stdout] test client_server_tcp ... 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] running `Command { std: "docker" "inspect" "eea34b218fb0781adc09517a24bbc8a041825775b5593bf11035c3b74cfe270c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea34b218fb0781adc09517a24bbc8a041825775b5593bf11035c3b74cfe270c", kill_on_drop: false }`
[INFO] [stdout] eea34b218fb0781adc09517a24bbc8a041825775b5593bf11035c3b74cfe270c