[INFO] fetching crate krpc-core 0.2.0...
[INFO] testing krpc-core-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate krpc-core 0.2.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate krpc-core 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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 185 packages to latest compatible versions
[INFO] [stderr]       Adding bzip2 v0.4.4 (available: v0.6.0)
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a91d9171fbcac2d8447834ee6e499270233f7ed0cffefd19c43ea446b501ef1
[INFO] running `Command { std: "docker" "start" "-a" "0a91d9171fbcac2d8447834ee6e499270233f7ed0cffefd19c43ea446b501ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a91d9171fbcac2d8447834ee6e499270233f7ed0cffefd19c43ea446b501ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a91d9171fbcac2d8447834ee6e499270233f7ed0cffefd19c43ea446b501ef1", kill_on_drop: false }`
[INFO] [stdout] 0a91d9171fbcac2d8447834ee6e499270233f7ed0cffefd19c43ea446b501ef1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] accd8365b57b568a8e9e5833974ea050913ca530431cd9d4ebfc7217ebb122f3
[INFO] running `Command { std: "docker" "start" "-a" "accd8365b57b568a8e9e5833974ea050913ca530431cd9d4ebfc7217ebb122f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling aho-corasick v1.1.3
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[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
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[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
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[INFO] [stderr]    Compiling tracing v0.1.41
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[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling protobuf-json-mapping v3.7.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling zookeeper-client v0.6.4
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling krpc-common v0.2.0
[INFO] [stderr]    Compiling krpc-macro v0.2.0
[INFO] [stderr]    Compiling hyper v1.7.0
[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] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krpc-core` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "accd8365b57b568a8e9e5833974ea050913ca530431cd9d4ebfc7217ebb122f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accd8365b57b568a8e9e5833974ea050913ca530431cd9d4ebfc7217ebb122f3", kill_on_drop: false }`
[INFO] [stdout] accd8365b57b568a8e9e5833974ea050913ca530431cd9d4ebfc7217ebb122f3