[INFO] fetching crate tk-cantal 0.3.2...
[INFO] testing tk-cantal-0.3.2 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate tk-cantal 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tk-cantal 0.3.2 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 tk-cantal 0.3.2
[INFO] finished tweaking crates.io crate tk-cantal 0.3.2
[INFO] tweaked toml for crates.io crate tk-cantal 0.3.2 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 abstract-ns v0.4.3
[INFO] [stderr]   Downloaded netbuf v0.4.1
[INFO] [stderr]   Downloaded sha1 v0.4.0
[INFO] [stderr]   Downloaded tk-bufstream v0.3.0
[INFO] [stderr]   Downloaded tk-http v0.3.9
[INFO] [stderr]   Downloaded tk-easyloop v0.1.1
[INFO] [stderr]   Downloaded serde_millis v0.1.1
[INFO] [stderr]   Downloaded tk-pool v0.5.3
[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] b63dbf625ee92d6da4fdeb059996f6240b08066894b2533bdedbd07d2a261094
[INFO] running `Command { std: "docker" "start" "-a" "b63dbf625ee92d6da4fdeb059996f6240b08066894b2533bdedbd07d2a261094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b63dbf625ee92d6da4fdeb059996f6240b08066894b2533bdedbd07d2a261094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63dbf625ee92d6da4fdeb059996f6240b08066894b2533bdedbd07d2a261094", kill_on_drop: false }`
[INFO] [stdout] b63dbf625ee92d6da4fdeb059996f6240b08066894b2533bdedbd07d2a261094
[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] 4a80b1e81d31da16d51761aa0cd979cc351efe8a0defad93196b2255706fc004
[INFO] running `Command { std: "docker" "start" "-a" "4a80b1e81d31da16d51761aa0cd979cc351efe8a0defad93196b2255706fc004", kill_on_drop: false }`
[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 cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling tokio-io v0.1.13
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[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling netbuf v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling abstract-ns v0.4.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tk-bufstream v0.3.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling sha1 v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling tk-http v0.3.9
[INFO] [stderr]    Compiling tk-pool v0.5.3
[INFO] [stderr]    Compiling serde_millis v0.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tk-cantal v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connect.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub type Pool = tk_pool::queue::Pool<Box<Codec<TcpStream,
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 17 | |         Future=FutureResult<EncoderDone<TcpStream>, Error>>>,
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Pool = tk_pool::queue::Pool<Box<dyn Codec<TcpStream,
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.57s
[INFO] running `Command { std: "docker" "inspect" "4a80b1e81d31da16d51761aa0cd979cc351efe8a0defad93196b2255706fc004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a80b1e81d31da16d51761aa0cd979cc351efe8a0defad93196b2255706fc004", kill_on_drop: false }`
[INFO] [stdout] 4a80b1e81d31da16d51761aa0cd979cc351efe8a0defad93196b2255706fc004
[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] c9ba01382e5191c0eee14ef15720fe75e8779d22b8c36e6c7c5f9779fdc5b91d
[INFO] running `Command { std: "docker" "start" "-a" "c9ba01382e5191c0eee14ef15720fe75e8779d22b8c36e6c7c5f9779fdc5b91d", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling tk-easyloop v0.1.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connect.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub type Pool = tk_pool::queue::Pool<Box<Codec<TcpStream,
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 17 | |         Future=FutureResult<EncoderDone<TcpStream>, Error>>>,
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Pool = tk_pool::queue::Pool<Box<dyn Codec<TcpStream,
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling tk-cantal v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connect.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub type Pool = tk_pool::queue::Pool<Box<Codec<TcpStream,
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 17 | |         Future=FutureResult<EncoderDone<TcpStream>, Error>>>,
[INFO] [stdout]    | |___________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Pool = tk_pool::queue::Pool<Box<dyn Codec<TcpStream,
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "c9ba01382e5191c0eee14ef15720fe75e8779d22b8c36e6c7c5f9779fdc5b91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ba01382e5191c0eee14ef15720fe75e8779d22b8c36e6c7c5f9779fdc5b91d", kill_on_drop: false }`
[INFO] [stdout] c9ba01382e5191c0eee14ef15720fe75e8779d22b8c36e6c7c5f9779fdc5b91d
[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] 969bc38e35fad6e8256d2e3bc416805b2246ecf35e6b57dc9bb60c25acd9ffea
[INFO] running `Command { std: "docker" "start" "-a" "969bc38e35fad6e8256d2e3bc416805b2246ecf35e6b57dc9bb60c25acd9ffea", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:16:42
[INFO] [stderr]    |
[INFO] [stderr] 16 |   pub type Pool = tk_pool::queue::Pool<Box<Codec<TcpStream,
[INFO] [stderr]    |  __________________________________________^
[INFO] [stderr] 17 | |         Future=FutureResult<EncoderDone<TcpStream>, Error>>>,
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type Pool = tk_pool::queue::Pool<Box<dyn Codec<TcpStream,
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tk-cantal` (lib) generated 1 warning
[INFO] [stderr] warning: `tk-cantal` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/tk_cantal-e8fc2c1668e24b83)
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "969bc38e35fad6e8256d2e3bc416805b2246ecf35e6b57dc9bb60c25acd9ffea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969bc38e35fad6e8256d2e3bc416805b2246ecf35e6b57dc9bb60c25acd9ffea", kill_on_drop: false }`
[INFO] [stdout] 969bc38e35fad6e8256d2e3bc416805b2246ecf35e6b57dc9bb60c25acd9ffea