[INFO] fetching crate async-coap 0.1.0...
[INFO] checking async-coap-0.1.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate async-coap 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate async-coap 0.1.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-coap 0.1.0
[INFO] finished tweaking crates.io crate async-coap 0.1.0
[INFO] tweaked toml for crates.io crate async-coap 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.3.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba5ead999e2a678dcc850b061b8bfa3cccccabbd97d234715a7e385323da439
[INFO] running `Command { std: "docker" "start" "-a" "5ba5ead999e2a678dcc850b061b8bfa3cccccabbd97d234715a7e385323da439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba5ead999e2a678dcc850b061b8bfa3cccccabbd97d234715a7e385323da439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba5ead999e2a678dcc850b061b8bfa3cccccabbd97d234715a7e385323da439", kill_on_drop: false }`
[INFO] [stdout] 5ba5ead999e2a678dcc850b061b8bfa3cccccabbd97d234715a7e385323da439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b837dadf0aa21d0a6e53b3caface69dab5b7753badc01ac05b302cb741ecf72
[INFO] running `Command { std: "docker" "start" "-a" "0b837dadf0aa21d0a6e53b3caface69dab5b7753badc01ac05b302cb741ecf72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
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[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
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[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]    Compiling async-coap-uri-macros v0.1.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking async-coap-uri v0.1.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
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[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking async-coap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/remote_endpoint.rs:100:62
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn send<'a, R, SD>(&'a self, send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |             -- lifetime `'a` declared here                   ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/remote_endpoint.rs:107:79
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn send_to<'a, R, SD, UF>(&'a self, path: UF, send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |                -- lifetime `'a` declared here                                 ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/null.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn send<'a, R, SD>(&'a self, _send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |             -- lifetime `'a` declared here                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/null.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn send_to<'a, R, SD, UF>(
[INFO] [stdout]     |                -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     ) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/remote_endpoint.rs:100:62
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn send<'a, R, SD>(&'a self, send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |             -- lifetime `'a` declared here                   ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/remote_endpoint.rs:107:79
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn send_to<'a, R, SD, UF>(&'a self, path: UF, send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |                -- lifetime `'a` declared here                                 ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/null.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn send<'a, R, SD>(&'a self, _send_desc: SD) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |             -- lifetime `'a` declared here                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/null.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn send_to<'a, R, SD, UF>(
[INFO] [stdout]     |                -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     ) -> BoxFuture<'_, Result<R, Error>>
[INFO] [stdout]     |                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 | #![feature(async_await)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 | #![feature(async_await)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `option_start` is never read
[INFO] [stdout]   --> src/message/std_parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct StandardMessageParser<'buf> {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     option_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StandardMessageParser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `option_start` is never read
[INFO] [stdout]   --> src/message/std_parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct StandardMessageParser<'buf> {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     option_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StandardMessageParser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "0b837dadf0aa21d0a6e53b3caface69dab5b7753badc01ac05b302cb741ecf72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b837dadf0aa21d0a6e53b3caface69dab5b7753badc01ac05b302cb741ecf72", kill_on_drop: false }`
[INFO] [stdout] 0b837dadf0aa21d0a6e53b3caface69dab5b7753badc01ac05b302cb741ecf72
