[INFO] fetching crate plumcast 0.1.5...
[INFO] building plumcast-0.1.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate plumcast 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate plumcast 0.1.5
[INFO] finished tweaking crates.io crate plumcast 0.1.5
[INFO] tweaked toml for crates.io crate plumcast 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plumcast 0.1.5 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 143 packages to latest compatible versions
[INFO] [stderr]       Adding bytecodec v0.4.15 (available: v0.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
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[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding sloggers v0.3.6 (available: v2.2.0)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ca0cf67a174f02b046b5ddf33f18fc64b86cbd62101fbc5e1dd955d9798b33
[INFO] running `Command { std: "docker" "start" "-a" "d3ca0cf67a174f02b046b5ddf33f18fc64b86cbd62101fbc5e1dd955d9798b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ca0cf67a174f02b046b5ddf33f18fc64b86cbd62101fbc5e1dd955d9798b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ca0cf67a174f02b046b5ddf33f18fc64b86cbd62101fbc5e1dd955d9798b33", kill_on_drop: false }`
[INFO] [stdout] d3ca0cf67a174f02b046b5ddf33f18fc64b86cbd62101fbc5e1dd955d9798b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e5efe38e0dd47f8bd8fcf1dc2033d44b577411a5c08113034faa5112fdc5ca
[INFO] running `Command { std: "docker" "start" "-a" "f5e5efe38e0dd47f8bd8fcf1dc2033d44b577411a5c08113034faa5112fdc5ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling plumtree v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling hyparview v0.1.3
[INFO] [stderr]    Compiling trackable v1.3.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling bytecodec v0.4.15
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling tasque v0.1.5
[INFO] [stderr]    Compiling fibers_tasque v0.1.2
[INFO] [stderr]    Compiling fibers_rpc v0.3.4
[INFO] [stderr]    Compiling plumcast v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/node_id_generator.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<GenerateLocalNodeId>);
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<dyn GenerateLocalNodeId>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<dyn Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<dyn Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<dyn Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadDecoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct MessagePayloadDecoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadEncoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 | struct MessagePayloadEncoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f5e5efe38e0dd47f8bd8fcf1dc2033d44b577411a5c08113034faa5112fdc5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e5efe38e0dd47f8bd8fcf1dc2033d44b577411a5c08113034faa5112fdc5ca", kill_on_drop: false }`
[INFO] [stdout] f5e5efe38e0dd47f8bd8fcf1dc2033d44b577411a5c08113034faa5112fdc5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f262fc30ff93844742ffb80c7f4dcd9dfa7ae475684ad3c81c0a747ab46598be
[INFO] running `Command { std: "docker" "start" "-a" "f262fc30ff93844742ffb80c7f4dcd9dfa7ae475684ad3c81c0a747ab46598be", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/node_id_generator.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<GenerateLocalNodeId>);
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<dyn GenerateLocalNodeId>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<dyn Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<dyn Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<dyn Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadDecoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct MessagePayloadDecoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadEncoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 | struct MessagePayloadEncoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling slog-term v2.9.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling sloggers v0.3.6
[INFO] [stderr]    Compiling plumcast v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/node_id_generator.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<GenerateLocalNodeId>);
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc<dyn GenerateLocalNodeId>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<dyn Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | type ArcFn = Arc<Fn(Box<dyn Future<Item = (), Error = ()> + Send>) + Send + Sync + 'static>;
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn spawn_boxed(&self, fiber: Box<dyn Future<Item = (), Error = ()> + Send>) {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadDecoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct MessagePayloadDecoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessagePayloadEncoder` is never constructed
[INFO] [stdout]    --> src/codec/plumtree.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 | struct MessagePayloadEncoder {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f262fc30ff93844742ffb80c7f4dcd9dfa7ae475684ad3c81c0a747ab46598be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f262fc30ff93844742ffb80c7f4dcd9dfa7ae475684ad3c81c0a747ab46598be", kill_on_drop: false }`
[INFO] [stdout] f262fc30ff93844742ffb80c7f4dcd9dfa7ae475684ad3c81c0a747ab46598be
