[INFO] fetching crate tk-carbon 0.2.0...
[INFO] building tk-carbon-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tk-carbon 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tk-carbon 0.2.0
[INFO] finished tweaking crates.io crate tk-carbon 0.2.0
[INFO] tweaked toml for crates.io crate tk-carbon 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tk-carbon 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.4.3 (available: v0.11.8)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.11.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cead8f10f9c1b0510396e40c58f25978cf68cf0cb8de5c621b086e31ebe884a
[INFO] running `Command { std: "docker" "start" "-a" "1cead8f10f9c1b0510396e40c58f25978cf68cf0cb8de5c621b086e31ebe884a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cead8f10f9c1b0510396e40c58f25978cf68cf0cb8de5c621b086e31ebe884a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cead8f10f9c1b0510396e40c58f25978cf68cf0cb8de5c621b086e31ebe884a", kill_on_drop: false }`
[INFO] [stdout] 1cead8f10f9c1b0510396e40c58f25978cf68cf0cb8de5c621b086e31ebe884a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffca3c52453d2b8b400b535d2b273bf7ddac1a50117c4ba2de9229487cb7c7e2
[INFO] running `Command { std: "docker" "start" "-a" "ffca3c52453d2b8b400b535d2b273bf7ddac1a50117c4ba2de9229487cb7c7e2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.17.0
[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 num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling netbuf v0.4.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[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 abstract-ns v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tk-bufstream v0.3.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tk-carbon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pool.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<Future<Item=Conn<TcpStream>, Error=io::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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<dyn Future<Item=Conn<TcpStream>, Error=io::Error>>)>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "ffca3c52453d2b8b400b535d2b273bf7ddac1a50117c4ba2de9229487cb7c7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffca3c52453d2b8b400b535d2b273bf7ddac1a50117c4ba2de9229487cb7c7e2", kill_on_drop: false }`
[INFO] [stdout] ffca3c52453d2b8b400b535d2b273bf7ddac1a50117c4ba2de9229487cb7c7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6e656afd63fb7ff6f45ba8a863d935ba6bc7573ec3eba75b8061a18fc4fbd4
[INFO] running `Command { std: "docker" "start" "-a" "7e6e656afd63fb7ff6f45ba8a863d935ba6bc7573ec3eba75b8061a18fc4fbd4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling async-slot v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tk-easyloop v0.1.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pool.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<Future<Item=Conn<TcpStream>, Error=io::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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<dyn Future<Item=Conn<TcpStream>, Error=io::Error>>)>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ns-router v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling ns-std-threaded v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling tk-carbon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pool.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<Future<Item=Conn<TcpStream>, Error=io::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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |                        Box<dyn Future<Item=Conn<TcpStream>, Error=io::Error>>)>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "7e6e656afd63fb7ff6f45ba8a863d935ba6bc7573ec3eba75b8061a18fc4fbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6e656afd63fb7ff6f45ba8a863d935ba6bc7573ec3eba75b8061a18fc4fbd4", kill_on_drop: false }`
[INFO] [stdout] 7e6e656afd63fb7ff6f45ba8a863d935ba6bc7573ec3eba75b8061a18fc4fbd4
