[INFO] cloning repository https://github.com/DominicGorny/SwapBytes-DominicGorny
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DominicGorny/SwapBytes-DominicGorny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicGorny%2FSwapBytes-DominicGorny", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicGorny%2FSwapBytes-DominicGorny'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd0df284ae0f2f11858c73742f9dea61916a93ae
[INFO] checking DominicGorny/SwapBytes-DominicGorny against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicGorny%2FSwapBytes-DominicGorny" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DominicGorny/SwapBytes-DominicGorny
[INFO] finished tweaking git repo https://github.com/DominicGorny/SwapBytes-DominicGorny
[INFO] tweaked toml for git repo https://github.com/DominicGorny/SwapBytes-DominicGorny written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DominicGorny/SwapBytes-DominicGorny on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DominicGorny/SwapBytes-DominicGorny already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0ee6f58559044a4447e9f9b5305c120c15005e3d3fe904583320359549d3484
[INFO] running `Command { std: "docker" "start" "-a" "e0ee6f58559044a4447e9f9b5305c120c15005e3d3fe904583320359549d3484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0ee6f58559044a4447e9f9b5305c120c15005e3d3fe904583320359549d3484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ee6f58559044a4447e9f9b5305c120c15005e3d3fe904583320359549d3484", kill_on_drop: false }`
[INFO] [stdout] e0ee6f58559044a4447e9f9b5305c120c15005e3d3fe904583320359549d3484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f29881f8008268401e9909abca3354ad18f3bc1eacdec3802f664884b1a56f
[INFO] running `Command { std: "docker" "start" "-a" "26f29881f8008268401e9909abca3354ad18f3bc1eacdec3802f664884b1a56f", kill_on_drop: false }`
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[INFO] [stderr]     Checking libp2p-quic v0.12.0
[INFO] [stderr]     Checking libp2p-request-response v0.28.0
[INFO] [stderr]     Checking libp2p-ping v0.46.0
[INFO] [stderr]     Checking libp2p-identify v0.46.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.5.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.5.0
[INFO] [stderr]     Checking libp2p-gossipsub v0.48.0
[INFO] [stderr]     Checking libp2p-mdns v0.47.0
[INFO] [stderr]     Checking libp2p-rendezvous v0.16.0
[INFO] [stderr]     Checking libp2p v0.55.0
[INFO] [stderr]     Checking dgo65SwapBytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>>
[INFO] [stdout]   --> src/bin/rendezvous.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let mut swarm = libp2p::SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 38 | |         .with_tokio()
[INFO] [stdout] 39 | |         .with_tcp(
[INFO] [stdout] 40 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             ping: ping::Behaviour::new(ping::Config::new().with_interval(Duration::from_secs(1))),
[INFO] [stdout] 51 | |         })?
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>, Infallible>
[INFO] [stdout]   --> src/bin/rendezvous.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let mut swarm = libp2p::SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 38 | |         .with_tokio()
[INFO] [stdout] 39 | |         .with_tcp(
[INFO] [stdout] 40 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             ping: ping::Behaviour::new(ping::Config::new().with_interval(Duration::from_secs(1))),
[INFO] [stdout] 51 | |         })?
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dgo65SwapBytes` (bin "rendezvous_server") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>>
[INFO] [stdout]   --> src/bin/rendezvous.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let mut swarm = libp2p::SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 38 | |         .with_tokio()
[INFO] [stdout] 39 | |         .with_tcp(
[INFO] [stdout] 40 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             ping: ping::Behaviour::new(ping::Config::new().with_interval(Duration::from_secs(1))),
[INFO] [stdout] 51 | |         })?
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, MyBehaviour>>, Infallible>
[INFO] [stdout]   --> src/bin/rendezvous.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let mut swarm = libp2p::SwarmBuilder::with_existing_identity(keypair)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 38 | |         .with_tokio()
[INFO] [stdout] 39 | |         .with_tcp(
[INFO] [stdout] 40 | |             tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             ping: ping::Behaviour::new(ping::Config::new().with_interval(Duration::from_secs(1))),
[INFO] [stdout] 51 | |         })?
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dgo65SwapBytes` (bin "rendezvous_server" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   user_name = potential_user_name.parse().unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:225:140
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...   swarm.behaviour_mut().request_response.send_request(target_peer_id, swarm_creation::RequestMessage(target_file_name.parse().unwrap(...
[INFO] [stdout]     |                                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:520:42
[INFO] [stdout]     |
[INFO] [stdout] 520 |                         argukment_line = argukment_line.strip_prefix("<whisper>").unwrap().parse().unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:527:42
[INFO] [stdout]     |
[INFO] [stdout] 527 |                         argukment_line = argukment_line.strip_prefix("<offer>").unwrap().parse().unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:697:41
[INFO] [stdout]     |
[INFO] [stdout] 697 |                         argument_line = argument_line.strip_prefix("/whoIs ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:713:41
[INFO] [stdout]     |
[INFO] [stdout] 713 |                         argument_line = argument_line.strip_prefix("/whoHas ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:729:41
[INFO] [stdout]     |
[INFO] [stdout] 729 |                         argument_line = argument_line.strip_prefix("/iAm ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dgo65SwapBytes` (bin "dgo65SwapBytes") due to 7 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   user_name = potential_user_name.parse().unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:225:140
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...   swarm.behaviour_mut().request_response.send_request(target_peer_id, swarm_creation::RequestMessage(target_file_name.parse().unwrap(...
[INFO] [stdout]     |                                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:520:42
[INFO] [stdout]     |
[INFO] [stdout] 520 |                         argukment_line = argukment_line.strip_prefix("<whisper>").unwrap().parse().unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:527:42
[INFO] [stdout]     |
[INFO] [stdout] 527 |                         argukment_line = argukment_line.strip_prefix("<offer>").unwrap().parse().unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:697:41
[INFO] [stdout]     |
[INFO] [stdout] 697 |                         argument_line = argument_line.strip_prefix("/whoIs ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:713:41
[INFO] [stdout]     |
[INFO] [stdout] 713 |                         argument_line = argument_line.strip_prefix("/whoHas ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:729:41
[INFO] [stdout]     |
[INFO] [stdout] 729 |                         argument_line = argument_line.strip_prefix("/iAm ").unwrap().parse().unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dgo65SwapBytes` (bin "dgo65SwapBytes" test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "26f29881f8008268401e9909abca3354ad18f3bc1eacdec3802f664884b1a56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f29881f8008268401e9909abca3354ad18f3bc1eacdec3802f664884b1a56f", kill_on_drop: false }`
[INFO] [stdout] 26f29881f8008268401e9909abca3354ad18f3bc1eacdec3802f664884b1a56f
