[INFO] cloning repository https://github.com/japawBlob/tokio-isotp-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/japawBlob/tokio-isotp-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjapawBlob%2Ftokio-isotp-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjapawBlob%2Ftokio-isotp-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 410b48533acc7fd2c33742ff048b523cfaa85924
[INFO] testing japawBlob/tokio-isotp-echo against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjapawBlob%2Ftokio-isotp-echo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/japawBlob/tokio-isotp-echo
[INFO] finished tweaking git repo https://github.com/japawBlob/tokio-isotp-echo
[INFO] tweaked toml for git repo https://github.com/japawBlob/tokio-isotp-echo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/japawBlob/tokio-isotp-echo 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 git repo https://github.com/japawBlob/tokio-isotp-echo 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475b3fa6c576ec5b328d481a7929f95d85a9c863e84504f0836e6b71f504fc12
[INFO] running `Command { std: "docker" "start" "-a" "475b3fa6c576ec5b328d481a7929f95d85a9c863e84504f0836e6b71f504fc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475b3fa6c576ec5b328d481a7929f95d85a9c863e84504f0836e6b71f504fc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475b3fa6c576ec5b328d481a7929f95d85a9c863e84504f0836e6b71f504fc12", kill_on_drop: false }`
[INFO] [stdout] 475b3fa6c576ec5b328d481a7929f95d85a9c863e84504f0836e6b71f504fc12
[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=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] 30f6222c50e25912ba702b195b3dca0fdcd7669c652c1ec9a1c8c6a33d7db439
[INFO] running `Command { std: "docker" "start" "-a" "30f6222c50e25912ba702b195b3dca0fdcd7669c652c1ec9a1c8c6a33d7db439", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling embedded-can v0.3.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling socketcan-isotp v1.0.1 (https://github.com/japawBlob/socketcan-isotp#85467959)
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling tokio-socketcan-isotp v0.1.0 (https://github.com/japawBlob/tokio-socketcan-isotp#11e97208)
[INFO] [stderr]    Compiling echo_server_tokio_socketcan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut rx = IsoTpSocket::open(
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     while let Ok(mut packet) = rx.read_packet()?.await {
[INFO] [stdout]    |                  ----^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let blob = rx.write_packet(packet)?.await;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_blob`
[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 16.72s
[INFO] running `Command { std: "docker" "inspect" "30f6222c50e25912ba702b195b3dca0fdcd7669c652c1ec9a1c8c6a33d7db439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f6222c50e25912ba702b195b3dca0fdcd7669c652c1ec9a1c8c6a33d7db439", kill_on_drop: false }`
[INFO] [stdout] 30f6222c50e25912ba702b195b3dca0fdcd7669c652c1ec9a1c8c6a33d7db439
[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=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] b7e0318a02bb8e9c1ff7f4a7980450f15f0a8b8e8e0ac77bb34527653d08c061
[INFO] running `Command { std: "docker" "start" "-a" "b7e0318a02bb8e9c1ff7f4a7980450f15f0a8b8e8e0ac77bb34527653d08c061", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo_server_tokio_socketcan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut rx = IsoTpSocket::open(
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     while let Ok(mut packet) = rx.read_packet()?.await {
[INFO] [stdout]    |                  ----^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let blob = rx.write_packet(packet)?.await;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_blob`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b7e0318a02bb8e9c1ff7f4a7980450f15f0a8b8e8e0ac77bb34527653d08c061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e0318a02bb8e9c1ff7f4a7980450f15f0a8b8e8e0ac77bb34527653d08c061", kill_on_drop: false }`
[INFO] [stdout] b7e0318a02bb8e9c1ff7f4a7980450f15f0a8b8e8e0ac77bb34527653d08c061
[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=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] fe7db624e86aa059331d3bbae9e2a2b87a16c444da074ea0b82a069c7bc9158b
[INFO] running `Command { std: "docker" "start" "-a" "fe7db624e86aa059331d3bbae9e2a2b87a16c444da074ea0b82a069c7bc9158b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 |     let mut rx = IsoTpSocket::open(
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |         ----^^
[INFO] [stdout] 
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |     while let Ok(mut packet) = rx.read_packet()?.await {
[INFO] [stderr]    |                  ----^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blob`
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let blob = rx.write_packet(packet)?.await;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_blob`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `echo_server_tokio_socketcan` (bin "echo_server_tokio_socketcan" test) generated 3 warnings (run `cargo fix --bin "echo_server_tokio_socketcan" -p echo_server_tokio_socketcan --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/echo_server_tokio_socketcan-c9070d5a479fe861)
[INFO] running `Command { std: "docker" "inspect" "fe7db624e86aa059331d3bbae9e2a2b87a16c444da074ea0b82a069c7bc9158b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7db624e86aa059331d3bbae9e2a2b87a16c444da074ea0b82a069c7bc9158b", kill_on_drop: false }`
[INFO] [stdout] fe7db624e86aa059331d3bbae9e2a2b87a16c444da074ea0b82a069c7bc9158b
