[INFO] fetching crate rust_net 1.0.0...
[INFO] testing rust_net-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust_net 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rust_net 1.0.0
[INFO] finished tweaking crates.io crate rust_net 1.0.0
[INFO] tweaked toml for crates.io crate rust_net 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_net 1.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_net 1.0.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbdfe507fec7a6c708e56e4a2215b36dfce84099aac37134596cd6c98f12766
[INFO] running `Command { std: "docker" "start" "-a" "cdbdfe507fec7a6c708e56e4a2215b36dfce84099aac37134596cd6c98f12766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbdfe507fec7a6c708e56e4a2215b36dfce84099aac37134596cd6c98f12766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbdfe507fec7a6c708e56e4a2215b36dfce84099aac37134596cd6c98f12766", kill_on_drop: false }`
[INFO] [stdout] cdbdfe507fec7a6c708e56e4a2215b36dfce84099aac37134596cd6c98f12766
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e79492ca64f2e7d7052334b04774b80a17304af4c75109d9ed3eed365c8899
[INFO] running `Command { std: "docker" "start" "-a" "05e79492ca64f2e7d7052334b04774b80a17304af4c75109d9ed3eed365c8899", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling local-ip-address v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling spin v0.9.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling neli v0.5.3
[INFO] [stderr]    Compiling nix v0.24.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling pub-sub v2.0.0
[INFO] [stderr]    Compiling ctrlc v3.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling flume v0.10.12
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling rust_net v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `clone` and `string`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{clone, string, sync::Mutex};
[INFO] [stdout]   |           ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/types.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use flume::{Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Result`
[INFO] [stdout]  --> src/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/node.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     source: String,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 26 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Box::new(|msg| {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.65s
[INFO] running `Command { std: "docker" "inspect" "05e79492ca64f2e7d7052334b04774b80a17304af4c75109d9ed3eed365c8899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e79492ca64f2e7d7052334b04774b80a17304af4c75109d9ed3eed365c8899", kill_on_drop: false }`
[INFO] [stdout] 05e79492ca64f2e7d7052334b04774b80a17304af4c75109d9ed3eed365c8899
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e70079fe3338c2d619f8f5cca9c4585731141db9b5bc83cd4593f85d84cc81
[INFO] running `Command { std: "docker" "start" "-a" "06e70079fe3338c2d619f8f5cca9c4585731141db9b5bc83cd4593f85d84cc81", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `clone` and `string`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{clone, string, sync::Mutex};
[INFO] [stdout]   |           ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/types.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use flume::{Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Result`
[INFO] [stdout]  --> src/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/node.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     source: String,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 26 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_net v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Box::new(|msg| {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `string`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{clone, string, sync::Mutex};
[INFO] [stdout]   |           ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/types.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use flume::{Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Result`
[INFO] [stdout]  --> src/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/node.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     source: String,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 26 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "06e70079fe3338c2d619f8f5cca9c4585731141db9b5bc83cd4593f85d84cc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e70079fe3338c2d619f8f5cca9c4585731141db9b5bc83cd4593f85d84cc81", kill_on_drop: false }`
[INFO] [stdout] 06e70079fe3338c2d619f8f5cca9c4585731141db9b5bc83cd4593f85d84cc81
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e67eb8b53f489af83ee5a1e8696733f92c9c133206edf281e6e2cf1876c15906
[INFO] running `Command { std: "docker" "start" "-a" "e67eb8b53f489af83ee5a1e8696733f92c9c133206edf281e6e2cf1876c15906", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `clone` and `string`
[INFO] [stderr]  --> src/types.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{clone, string, sync::Mutex};
[INFO] [stderr]   |           ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/types.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use flume::{Receiver, Sender};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Result`
[INFO] [stderr]  --> src/types.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]    --> src/node.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     source: String,
[INFO] [stderr]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/node.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Node {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 26 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_net` (lib) generated 5 warnings (run `cargo fix --lib -p rust_net` to apply 4 suggestions)
[INFO] [stderr] warning: `rust_net` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Box::new(|msg| {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_net` (bin "rust_net" test) generated 1 warning (run `cargo fix --bin "rust_net" -p rust_net --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_net-d9d2cd279578120f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_net-004cd002bfedafd3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_net
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e67eb8b53f489af83ee5a1e8696733f92c9c133206edf281e6e2cf1876c15906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67eb8b53f489af83ee5a1e8696733f92c9c133206edf281e6e2cf1876c15906", kill_on_drop: false }`
[INFO] [stdout] e67eb8b53f489af83ee5a1e8696733f92c9c133206edf281e6e2cf1876c15906
