[INFO] fetching crate bare_cnr 0.1.0-alpha.1...
[INFO] checking bare_cnr-0.1.0-alpha.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate bare_cnr 0.1.0-alpha.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate bare_cnr 0.1.0-alpha.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bare_cnr 0.1.0-alpha.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aba8415c6e76df08ee49938a05b0ee05c001af76e424ae94ae559d8fc9b0369
[INFO] running `Command { std: "docker" "start" "-a" "0aba8415c6e76df08ee49938a05b0ee05c001af76e424ae94ae559d8fc9b0369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aba8415c6e76df08ee49938a05b0ee05c001af76e424ae94ae559d8fc9b0369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aba8415c6e76df08ee49938a05b0ee05c001af76e424ae94ae559d8fc9b0369", kill_on_drop: false }`
[INFO] [stdout] 0aba8415c6e76df08ee49938a05b0ee05c001af76e424ae94ae559d8fc9b0369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66051fcfe177ac6c69c1e0b50be67f334f06a97525f99525439b57a10681d0b
[INFO] running `Command { std: "docker" "start" "-a" "a66051fcfe177ac6c69c1e0b50be67f334f06a97525f99525439b57a10681d0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking bare_cnr v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.07s
[INFO] running `Command { std: "docker" "inspect" "a66051fcfe177ac6c69c1e0b50be67f334f06a97525f99525439b57a10681d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66051fcfe177ac6c69c1e0b50be67f334f06a97525f99525439b57a10681d0b", kill_on_drop: false }`
[INFO] [stdout] a66051fcfe177ac6c69c1e0b50be67f334f06a97525f99525439b57a10681d0b