[INFO] cloning repository https://github.com/zoujiaqing/s2n-quic-echo-server-client-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zoujiaqing/s2n-quic-echo-server-client-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoujiaqing%2Fs2n-quic-echo-server-client-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoujiaqing%2Fs2n-quic-echo-server-client-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0f25b068d54a65670a31c8cdfdfddc819963f60
[INFO] checking zoujiaqing/s2n-quic-echo-server-client-example 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%2Fzoujiaqing%2Fs2n-quic-echo-server-client-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zoujiaqing/s2n-quic-echo-server-client-example
[INFO] finished tweaking git repo https://github.com/zoujiaqing/s2n-quic-echo-server-client-example
[INFO] tweaked toml for git repo https://github.com/zoujiaqing/s2n-quic-echo-server-client-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zoujiaqing/s2n-quic-echo-server-client-example 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/zoujiaqing/s2n-quic-echo-server-client-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7364146f1cf01bfe7b2191f69ce20d9fa622cbe98634c9d87f3965516f47e971
[INFO] running `Command { std: "docker" "start" "-a" "7364146f1cf01bfe7b2191f69ce20d9fa622cbe98634c9d87f3965516f47e971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7364146f1cf01bfe7b2191f69ce20d9fa622cbe98634c9d87f3965516f47e971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7364146f1cf01bfe7b2191f69ce20d9fa622cbe98634c9d87f3965516f47e971", kill_on_drop: false }`
[INFO] [stdout] 7364146f1cf01bfe7b2191f69ce20d9fa622cbe98634c9d87f3965516f47e971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 21848c37630b6b2389c01af7db3b2e9c5c1110be45281da7d427566e5db8213d
[INFO] running `Command { std: "docker" "start" "-a" "21848c37630b6b2389c01af7db3b2e9c5c1110be45281da7d427566e5db8213d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling aws-lc-rs v1.8.1
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking mirai-annotations v1.12.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking errno v0.3.9
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling s2n-quic-platform v0.44.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking intrusive-collections v0.9.6
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.1.11
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling s2n-tls-sys v0.3.0
[INFO] [stderr]    Compiling aws-lc-sys v0.20.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking s2n-codec v0.44.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking s2n-quic-core v0.44.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking s2n-quic-transport v0.44.1
[INFO] [stderr]     Checking s2n-quic-crypto v0.44.1
[INFO] [stderr]     Checking s2n-tls v0.3.0
[INFO] [stderr]     Checking s2n-quic-tls v0.44.1
[INFO] [stderr]     Checking s2n-quic-tls-default v0.44.1
[INFO] [stderr]     Checking s2n-quic v1.44.1
[INFO] [stderr]     Checking s2n_quic_echo_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, Infallible>, s2n_quic::server::Builder<s2n_quic::server::Providers<<impl ServerProviders as ServerProviders>::CongestionController, <impl ServerProviders as ServerProviders>::ConnectionCloseFormatter, <impl ServerProviders as ServerProviders>::ConnectionID, <impl ServerProviders as ServerProviders>::PacketInterceptor, <impl ServerProviders as ServerProviders>::StatelessResetToken, <impl ServerProviders as ServerProviders>::Random, <impl ServerProviders as ServerProviders>::EndpointLimits, <impl ServerProviders as ServerProviders>::Event, <impl ServerProviders as ServerProviders>::Limits, <impl ServerProviders as ServerProviders>::Mtu, <impl ServerProviders as ServerProviders>::IO, <impl ServerProviders as ServerProviders>::PathMigration, <impl ServerProviders as ServerProviders>::Sync, (&std::path::Path, &std::path::Path), <impl ServerProviders as ServerProviders>::AddressToken, <impl ServerProviders as ServerProviders>::Datagram, <impl ServerProviders as ServerProviders>::Dc>>>
[INFO] [stdout]   --> src/server.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |       let mut server = Server::builder()
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 11 | |         .with_tls((Path::new(CERT_PEM), Path::new(KEY_PEM)))?
[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<s2n_quic::server::Builder<s2n_quic::server::Providers<<impl ServerProviders as ServerProviders>::CongestionController, <impl ServerProviders as ServerProviders>::ConnectionCloseFormatter, <impl ServerProviders as ServerProviders>::ConnectionID, <impl ServerProviders as ServerProviders>::PacketInterceptor, <impl ServerProviders as ServerProviders>::StatelessResetToken, <impl ServerProviders as ServerProviders>::Random, <impl ServerProviders as ServerProviders>::EndpointLimits, <impl ServerProviders as ServerProviders>::Event, <impl ServerProviders as ServerProviders>::Limits, <impl ServerProviders as ServerProviders>::Mtu, <impl ServerProviders as ServerProviders>::IO, <impl ServerProviders as ServerProviders>::PathMigration, <impl ServerProviders as ServerProviders>::Sync, (&std::path::Path, &std::path::Path), <impl ServerProviders as ServerProviders>::AddressToken, <impl ServerProviders as ServerProviders>::Datagram, <impl ServerProviders as ServerProviders>::Dc>>, Infallible>
[INFO] [stdout]   --> src/server.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |       let mut server = Server::builder()
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 11 | |         .with_tls((Path::new(CERT_PEM), Path::new(KEY_PEM)))?
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, Infallible>, s2n_quic::client::Builder<s2n_quic::client::Providers<<impl ClientProviders as ClientProviders>::CongestionController, <impl ClientProviders as ClientProviders>::ConnectionCloseFormatter, <impl ClientProviders as ClientProviders>::ConnectionID, <impl ClientProviders as ClientProviders>::PacketInterceptor, <impl ClientProviders as ClientProviders>::StatelessResetToken, <impl ClientProviders as ClientProviders>::Random, <impl ClientProviders as ClientProviders>::Event, <impl ClientProviders as ClientProviders>::Limits, <impl ClientProviders as ClientProviders>::Mtu, <impl ClientProviders as ClientProviders>::IO, <impl ClientProviders as ClientProviders>::Sync, &std::path::Path, <impl ClientProviders as ClientProviders>::Datagram, <impl ClientProviders as ClientProviders>::Dc>>>
[INFO] [stdout]   --> src/client.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout]  9 |       let client = Client::builder()
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 10 | |         .with_tls(Path::new(CERT_PEM))?
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<s2n_quic::client::Builder<s2n_quic::client::Providers<<impl ClientProviders as ClientProviders>::CongestionController, <impl ClientProviders as ClientProviders>::ConnectionCloseFormatter, <impl ClientProviders as ClientProviders>::ConnectionID, <impl ClientProviders as ClientProviders>::PacketInterceptor, <impl ClientProviders as ClientProviders>::StatelessResetToken, <impl ClientProviders as ClientProviders>::Random, <impl ClientProviders as ClientProviders>::Event, <impl ClientProviders as ClientProviders>::Limits, <impl ClientProviders as ClientProviders>::Mtu, <impl ClientProviders as ClientProviders>::IO, <impl ClientProviders as ClientProviders>::Sync, &std::path::Path, <impl ClientProviders as ClientProviders>::Datagram, <impl ClientProviders as ClientProviders>::Dc>>, Infallible>
[INFO] [stdout]   --> src/client.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout]  9 |       let client = Client::builder()
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 10 | |         .with_tls(Path::new(CERT_PEM))?
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s2n_quic_echo_example` (bin "s2n_quic_echo_example") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, Infallible>, s2n_quic::server::Builder<s2n_quic::server::Providers<<impl ServerProviders as ServerProviders>::CongestionController, <impl ServerProviders as ServerProviders>::ConnectionCloseFormatter, <impl ServerProviders as ServerProviders>::ConnectionID, <impl ServerProviders as ServerProviders>::PacketInterceptor, <impl ServerProviders as ServerProviders>::StatelessResetToken, <impl ServerProviders as ServerProviders>::Random, <impl ServerProviders as ServerProviders>::EndpointLimits, <impl ServerProviders as ServerProviders>::Event, <impl ServerProviders as ServerProviders>::Limits, <impl ServerProviders as ServerProviders>::Mtu, <impl ServerProviders as ServerProviders>::IO, <impl ServerProviders as ServerProviders>::PathMigration, <impl ServerProviders as ServerProviders>::Sync, (&std::path::Path, &std::path::Path), <impl ServerProviders as ServerProviders>::AddressToken, <impl ServerProviders as ServerProviders>::Datagram, <impl ServerProviders as ServerProviders>::Dc>>>
[INFO] [stdout]   --> src/server.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |       let mut server = Server::builder()
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 11 | |         .with_tls((Path::new(CERT_PEM), Path::new(KEY_PEM)))?
[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<s2n_quic::server::Builder<s2n_quic::server::Providers<<impl ServerProviders as ServerProviders>::CongestionController, <impl ServerProviders as ServerProviders>::ConnectionCloseFormatter, <impl ServerProviders as ServerProviders>::ConnectionID, <impl ServerProviders as ServerProviders>::PacketInterceptor, <impl ServerProviders as ServerProviders>::StatelessResetToken, <impl ServerProviders as ServerProviders>::Random, <impl ServerProviders as ServerProviders>::EndpointLimits, <impl ServerProviders as ServerProviders>::Event, <impl ServerProviders as ServerProviders>::Limits, <impl ServerProviders as ServerProviders>::Mtu, <impl ServerProviders as ServerProviders>::IO, <impl ServerProviders as ServerProviders>::PathMigration, <impl ServerProviders as ServerProviders>::Sync, (&std::path::Path, &std::path::Path), <impl ServerProviders as ServerProviders>::AddressToken, <impl ServerProviders as ServerProviders>::Datagram, <impl ServerProviders as ServerProviders>::Dc>>, Infallible>
[INFO] [stdout]   --> src/server.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |       let mut server = Server::builder()
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 11 | |         .with_tls((Path::new(CERT_PEM), Path::new(KEY_PEM)))?
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, Infallible>, s2n_quic::client::Builder<s2n_quic::client::Providers<<impl ClientProviders as ClientProviders>::CongestionController, <impl ClientProviders as ClientProviders>::ConnectionCloseFormatter, <impl ClientProviders as ClientProviders>::ConnectionID, <impl ClientProviders as ClientProviders>::PacketInterceptor, <impl ClientProviders as ClientProviders>::StatelessResetToken, <impl ClientProviders as ClientProviders>::Random, <impl ClientProviders as ClientProviders>::Event, <impl ClientProviders as ClientProviders>::Limits, <impl ClientProviders as ClientProviders>::Mtu, <impl ClientProviders as ClientProviders>::IO, <impl ClientProviders as ClientProviders>::Sync, &std::path::Path, <impl ClientProviders as ClientProviders>::Datagram, <impl ClientProviders as ClientProviders>::Dc>>>
[INFO] [stdout]   --> src/client.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout]  9 |       let client = Client::builder()
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 10 | |         .with_tls(Path::new(CERT_PEM))?
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<s2n_quic::client::Builder<s2n_quic::client::Providers<<impl ClientProviders as ClientProviders>::CongestionController, <impl ClientProviders as ClientProviders>::ConnectionCloseFormatter, <impl ClientProviders as ClientProviders>::ConnectionID, <impl ClientProviders as ClientProviders>::PacketInterceptor, <impl ClientProviders as ClientProviders>::StatelessResetToken, <impl ClientProviders as ClientProviders>::Random, <impl ClientProviders as ClientProviders>::Event, <impl ClientProviders as ClientProviders>::Limits, <impl ClientProviders as ClientProviders>::Mtu, <impl ClientProviders as ClientProviders>::IO, <impl ClientProviders as ClientProviders>::Sync, &std::path::Path, <impl ClientProviders as ClientProviders>::Datagram, <impl ClientProviders as ClientProviders>::Dc>>, Infallible>
[INFO] [stdout]   --> src/client.rs:9:18
[INFO] [stdout]    |
[INFO] [stdout]  9 |       let client = Client::builder()
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 10 | |         .with_tls(Path::new(CERT_PEM))?
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s2n_quic_echo_example` (bin "s2n_quic_echo_example" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "21848c37630b6b2389c01af7db3b2e9c5c1110be45281da7d427566e5db8213d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21848c37630b6b2389c01af7db3b2e9c5c1110be45281da7d427566e5db8213d", kill_on_drop: false }`
[INFO] [stdout] 21848c37630b6b2389c01af7db3b2e9c5c1110be45281da7d427566e5db8213d
