[INFO] fetching crate protosocket 0.12.0...
[INFO] testing protosocket-0.12.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate protosocket 0.12.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate protosocket 0.12.0
[INFO] finished tweaking crates.io crate protosocket 0.12.0
[INFO] tweaked toml for crates.io crate protosocket 0.12.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protosocket 0.12.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protosocket 0.12.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffb7b10b2ef1f9a52bb2704e1664fea4160644b4d9f64d4e8651e9b71fb2e24
[INFO] running `Command { std: "docker" "start" "-a" "0ffb7b10b2ef1f9a52bb2704e1664fea4160644b4d9f64d4e8651e9b71fb2e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffb7b10b2ef1f9a52bb2704e1664fea4160644b4d9f64d4e8651e9b71fb2e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffb7b10b2ef1f9a52bb2704e1664fea4160644b4d9f64d4e8651e9b71fb2e24", kill_on_drop: false }`
[INFO] [stdout] 0ffb7b10b2ef1f9a52bb2704e1664fea4160644b4d9f64d4e8651e9b71fb2e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87d805af71d101eeea35320dfcdefc63ad11cf94682153150d944b3add4f8da
[INFO] running `Command { std: "docker" "start" "-a" "e87d805af71d101eeea35320dfcdefc63ad11cf94682153150d944b3add4f8da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling tokio v1.39.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling protosocket v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_message_size` is never read
[INFO] [stdout]   --> src/types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         next_message_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance` is never read
[INFO] [stdout]   --> src/types.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         distance: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "e87d805af71d101eeea35320dfcdefc63ad11cf94682153150d944b3add4f8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87d805af71d101eeea35320dfcdefc63ad11cf94682153150d944b3add4f8da", kill_on_drop: false }`
[INFO] [stdout] e87d805af71d101eeea35320dfcdefc63ad11cf94682153150d944b3add4f8da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b76d1a97a818ed7e1f17f018cede35dcc689ad7bf2ffeac1e951c3b99b3c85f
[INFO] running `Command { std: "docker" "start" "-a" "5b76d1a97a818ed7e1f17f018cede35dcc689ad7bf2ffeac1e951c3b99b3c85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling protosocket v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_message_size` is never read
[INFO] [stdout]   --> src/types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         next_message_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance` is never read
[INFO] [stdout]   --> src/types.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         distance: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_message_size` is never read
[INFO] [stdout]   --> src/types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         next_message_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance` is never read
[INFO] [stdout]   --> src/types.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         distance: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5b76d1a97a818ed7e1f17f018cede35dcc689ad7bf2ffeac1e951c3b99b3c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b76d1a97a818ed7e1f17f018cede35dcc689ad7bf2ffeac1e951c3b99b3c85f", kill_on_drop: false }`
[INFO] [stdout] 5b76d1a97a818ed7e1f17f018cede35dcc689ad7bf2ffeac1e951c3b99b3c85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a26f0ab3ad27ceb71661547ffde60c60b8e7731b888cc6326b04450b651fc06d
[INFO] running `Command { std: "docker" "start" "-a" "a26f0ab3ad27ceb71661547ffde60c60b8e7731b888cc6326b04450b651fc06d", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `next_message_size` is never read
[INFO] [stderr]   --> src/types.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         next_message_size: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `distance` is never read
[INFO] [stderr]   --> src/types.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         distance: usize,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `protosocket` (lib) generated 2 warnings
[INFO] [stderr] warning: `protosocket` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/protosocket-8d97869cec4864a6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protosocket
[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] [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" "a26f0ab3ad27ceb71661547ffde60c60b8e7731b888cc6326b04450b651fc06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26f0ab3ad27ceb71661547ffde60c60b8e7731b888cc6326b04450b651fc06d", kill_on_drop: false }`
[INFO] [stdout] a26f0ab3ad27ceb71661547ffde60c60b8e7731b888cc6326b04450b651fc06d