[INFO] fetching crate nt 3.0.0...
[INFO] testing nt-3.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate nt 3.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nt 3.0.0
[INFO] finished tweaking crates.io crate nt 3.0.0
[INFO] tweaked toml for crates.io crate nt 3.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nt 3.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nt 3.0.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc0f403dd656c1d4bfdf97b2cc0f242efba2dc03111bbd6acc0a101127cb928a
[INFO] running `Command { std: "docker" "start" "-a" "dc0f403dd656c1d4bfdf97b2cc0f242efba2dc03111bbd6acc0a101127cb928a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc0f403dd656c1d4bfdf97b2cc0f242efba2dc03111bbd6acc0a101127cb928a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0f403dd656c1d4bfdf97b2cc0f242efba2dc03111bbd6acc0a101127cb928a", kill_on_drop: false }`
[INFO] [stdout] dc0f403dd656c1d4bfdf97b2cc0f242efba2dc03111bbd6acc0a101127cb928a
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41a32dcd6ea9c7ef58cb67fa8868ab3f6f9e997b5dfdf71f721b54d26833f57
[INFO] running `Command { std: "docker" "start" "-a" "f41a32dcd6ea9c7ef58cb67fa8868ab3f6f9e997b5dfdf71f721b54d26833f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling nt-leb128 v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling multimap v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling nt-network v3.0.0
[INFO] [stderr]    Compiling nt v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nt.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<T> {
[INFO] [stdout]     |                      ^^^^^              ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.70s
[INFO] running `Command { std: "docker" "inspect" "f41a32dcd6ea9c7ef58cb67fa8868ab3f6f9e997b5dfdf71f721b54d26833f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41a32dcd6ea9c7ef58cb67fa8868ab3f6f9e997b5dfdf71f721b54d26833f57", kill_on_drop: false }`
[INFO] [stdout] f41a32dcd6ea9c7ef58cb67fa8868ab3f6f9e997b5dfdf71f721b54d26833f57
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8278a2a81d6fa26fcfe15a539496df9a597948a62feac086dd9f14eb5743060c
[INFO] running `Command { std: "docker" "start" "-a" "8278a2a81d6fa26fcfe15a539496df9a597948a62feac086dd9f14eb5743060c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nt v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nt.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<T> {
[INFO] [stdout]     |                      ^^^^^              ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `connect_ws` found for struct `nt::NetworkTables<T>` in the current scope
[INFO] [stdout]    --> examples/ws_client.rs:5:33
[INFO] [stdout]     |
[INFO] [stdout]   5 |     let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws")
[INFO] [stdout]     |                                 ^^^^^^^^^^ function or associated item not found in `nt::NetworkTables<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `nt::NetworkTables<_>`, consider using `nt::NetworkTables::<Server>::bind` which returns `nt::NetworkTables<Server>`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/nt.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn bind(ip: &str, server_name: &str) -> NetworkTables<Server> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: there is an associated function `connect` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]   5 -     let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws")
[INFO] [stdout]   5 +     let mut nt = NetworkTables::connect("ws://127.0.0.1:1735", "nt-ws")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> examples/ws_client.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |       let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws")
[INFO] [stdout]   |  __________________^
[INFO] [stdout] 6 | |         .await
[INFO] [stdout]   | |______________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/ws_client.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let id = nt
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 17 | |         .create_entry(EntryData::new(
[INFO] [stdout] 18 | |             "/foo".to_string(),
[INFO] [stdout] 19 | |             0,
[INFO] [stdout] 20 | |             EntryValue::String("bar".to_string()),
[INFO] [stdout] 21 | |         ))
[INFO] [stdout] 22 | |         .await
[INFO] [stdout]    | |______________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/read.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     loop {}
[INFO] [stdout]    |     ------- any code following this expression is unreachable
[INFO] [stdout] 17 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `Future` that must be used
[INFO] [stdout]   --> examples/write.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | /     client.create_entry(EntryData::new(
[INFO] [stdout]  8 | |         "newEntry".to_string(),
[INFO] [stdout]  9 | |         0,
[INFO] [stdout] 10 | |         EntryValue::Double(5.0),
[INFO] [stdout] 11 | |     ));
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nt` (example "ws_client") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `connect_ws` found for struct `nt::NetworkTables<T>` in the current scope
[INFO] [stdout]    --> examples/ws_rpc_client.rs:7:33
[INFO] [stdout]     |
[INFO] [stdout]   7 |     let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws").await?;
[INFO] [stdout]     |                                 ^^^^^^^^^^ function or associated item not found in `nt::NetworkTables<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `nt::NetworkTables<_>`, consider using `nt::NetworkTables::<Server>::bind` which returns `nt::NetworkTables<Server>`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/nt.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn bind(ip: &str, server_name: &str) -> NetworkTables<Server> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: there is an associated function `connect` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]   7 -     let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws").await?;
[INFO] [stdout]   7 +     let mut nt = NetworkTables::connect("ws://127.0.0.1:1735", "nt-ws").await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/ws_rpc_client.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut nt = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws").await?;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |         nt.entries()
[INFO] [stdout]    |         -- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `nt` an explicit type
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut nt: /* Type */ = NetworkTables::connect_ws("ws://127.0.0.1:1735", "nt-ws").await?;
[INFO] [stdout]    |               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nt` (example "ws_rpc_client") due to 2 previous errors
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nt.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<T> {
[INFO] [stdout]     |                      ^^^^^              ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn get_entry(&self, id: u16) -> Entry<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8278a2a81d6fa26fcfe15a539496df9a597948a62feac086dd9f14eb5743060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8278a2a81d6fa26fcfe15a539496df9a597948a62feac086dd9f14eb5743060c", kill_on_drop: false }`
[INFO] [stdout] 8278a2a81d6fa26fcfe15a539496df9a597948a62feac086dd9f14eb5743060c
