[INFO] fetching crate zwiesel 0.1.0...
[INFO] building zwiesel-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate zwiesel 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zwiesel 0.1.0
[INFO] finished tweaking crates.io crate zwiesel 0.1.0
[INFO] tweaked toml for crates.io crate zwiesel 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zwiesel 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zwiesel 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2df6b8d105fed8ea75a72019268dbef3d82ebe194b95a4a6f46cbb12f2edb5af
[INFO] running `Command { std: "docker" "start" "-a" "2df6b8d105fed8ea75a72019268dbef3d82ebe194b95a4a6f46cbb12f2edb5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df6b8d105fed8ea75a72019268dbef3d82ebe194b95a4a6f46cbb12f2edb5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df6b8d105fed8ea75a72019268dbef3d82ebe194b95a4a6f46cbb12f2edb5af", kill_on_drop: false }`
[INFO] [stdout] 2df6b8d105fed8ea75a72019268dbef3d82ebe194b95a4a6f46cbb12f2edb5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80cb351977fce3c2177a8d10209e3ac92494c1de7986f284edabea876ddd3137
[INFO] running `Command { std: "docker" "start" "-a" "80cb351977fce3c2177a8d10209e3ac92494c1de7986f284edabea876ddd3137", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling zwiesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "80cb351977fce3c2177a8d10209e3ac92494c1de7986f284edabea876ddd3137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cb351977fce3c2177a8d10209e3ac92494c1de7986f284edabea876ddd3137", kill_on_drop: false }`
[INFO] [stdout] 80cb351977fce3c2177a8d10209e3ac92494c1de7986f284edabea876ddd3137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b47e906d17abf9fb45bef881294a62cce4eea5c773c11844fcd9b48552466c
[INFO] running `Command { std: "docker" "start" "-a" "15b47e906d17abf9fb45bef881294a62cce4eea5c773c11844fcd9b48552466c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling zwiesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/server.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Client {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 44 |     addr: SocketAddr,
[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 2.61s
[INFO] running `Command { std: "docker" "inspect" "15b47e906d17abf9fb45bef881294a62cce4eea5c773c11844fcd9b48552466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b47e906d17abf9fb45bef881294a62cce4eea5c773c11844fcd9b48552466c", kill_on_drop: false }`
[INFO] [stdout] 15b47e906d17abf9fb45bef881294a62cce4eea5c773c11844fcd9b48552466c