[INFO] fetching crate krpc-core 0.2.0...
[INFO] testing krpc-core-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate krpc-core 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate krpc-core 0.2.0
[INFO] finished tweaking crates.io crate krpc-core 0.2.0
[INFO] tweaked toml for crates.io crate krpc-core 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate krpc-core 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 170 packages to latest compatible versions
[INFO] [stderr]       Adding bzip2 v0.4.4 (available: v0.6.1)
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.1)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.2)
[INFO] [stderr]       Adding zookeeper-client v0.6.4 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.23.0
[INFO] [stderr]   Downloaded zookeeper-client v0.6.4
[INFO] [stderr]   Downloaded castaway v0.2.4
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[INFO] [stderr]   Downloaded ignore-result v0.2.0
[INFO] [stderr]   Downloaded compact_str v0.4.1
[INFO] [stderr]   Downloaded krpc-macro v0.2.0
[INFO] [stderr]   Downloaded prost-derive v0.12.6
[INFO] [stderr]   Downloaded protobuf-support v3.7.2
[INFO] [stderr]   Downloaded async-recursion v1.1.1
[INFO] [stderr]   Downloaded prost v0.14.1
[INFO] [stderr]   Downloaded prost-types v0.14.1
[INFO] [stderr]   Downloaded const_format v0.2.35
[INFO] [stderr]   Downloaded prost v0.12.6
[INFO] [stderr]   Downloaded prost-derive v0.14.1
[INFO] [stderr]   Downloaded protobuf-json-mapping v3.7.2
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.34
[INFO] [stderr]   Downloaded protobuf v3.7.2
[INFO] [stderr]   Downloaded hashlink v0.8.4
[INFO] [stderr]   Downloaded bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]   Downloaded krpc-common v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 731b3d8b45cbd8206c08e1ada42aa8fcbca62c5d075a3b8f089c4b204f19b759
[INFO] running `Command { std: "docker" "start" "-a" "731b3d8b45cbd8206c08e1ada42aa8fcbca62c5d075a3b8f089c4b204f19b759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731b3d8b45cbd8206c08e1ada42aa8fcbca62c5d075a3b8f089c4b204f19b759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731b3d8b45cbd8206c08e1ada42aa8fcbca62c5d075a3b8f089c4b204f19b759", kill_on_drop: false }`
[INFO] [stdout] 731b3d8b45cbd8206c08e1ada42aa8fcbca62c5d075a3b8f089c4b204f19b759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a942adccbbc5e6a23acac237b5cd5d479c1217a137c18f907c7f94742242914
[INFO] running `Command { std: "docker" "start" "-a" "3a942adccbbc5e6a23acac237b5cd5d479c1217a137c18f907c7f94742242914", kill_on_drop: false }`
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[INFO] [stderr]    Compiling prost-derive v0.14.1
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[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-recursion v1.1.1
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[INFO] [stderr]    Compiling num_enum v0.5.11
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[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling krpc-common v0.2.0
[INFO] [stderr]    Compiling krpc-macro v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
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[INFO] [stderr]    Compiling tokio-util v0.7.17
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[INFO] [stderr]    Compiling h2 v0.4.12
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[INFO] [stderr]    Compiling krpc-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/route/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> src/route/mod.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .choose(&mut rand::thread_rng())
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `choose` found for struct `Vec<SocketInfo>` in the current scope
[INFO] [stdout]   --> src/route/mod.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 72 |           let socket_info = vec_info
[INFO] [stdout]    |  ___________________________-
[INFO] [stdout] 73 | |             .choose(&mut rand::thread_rng())
[INFO] [stdout]    | |_____________-^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IndexedRandom` which provides `choose` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  1 + use rand::prelude::IndexedRandom;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `choose_mut` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .choose_mut(&mut rand::thread_rng())
[INFO] [stdout]    |                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/route/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let sender_read_lock = sender.read().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |         if let Some(socket_sender) = sender_read_lock.clone() {
[INFO] [stdout]    |                                      ---------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `sender_read_lock` an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let sender_read_lock: /* Type */ = sender.read().await;
[INFO] [stdout]    |                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/route/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let mut sender_write_lock = sender.write().await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |             let sender = match sender_write_lock.as_ref() {
[INFO] [stdout]    |                                ----------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `sender_write_lock` an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let mut sender_write_lock: /* Type */ = sender.write().await;
[INFO] [stdout]    |                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/route/mod.rs:83:33
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 Some(sender) => sender.clone(),
[INFO] [stdout]    |                                 ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/route/mod.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...                   sender.write().await.take();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^ cannot infer type
[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 `krpc-core` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3a942adccbbc5e6a23acac237b5cd5d479c1217a137c18f907c7f94742242914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a942adccbbc5e6a23acac237b5cd5d479c1217a137c18f907c7f94742242914", kill_on_drop: false }`
[INFO] [stdout] 3a942adccbbc5e6a23acac237b5cd5d479c1217a137c18f907c7f94742242914
