[INFO] fetching crate memsocket 0.1.3...
[INFO] testing memsocket-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate memsocket 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate memsocket 0.1.3
[INFO] finished tweaking crates.io crate memsocket 0.1.3
[INFO] tweaked toml for crates.io crate memsocket 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memsocket 0.1.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c79fd7c9fb12670b0331e2320b24607d5cf2c56a746485e92259424ebeada2e
[INFO] running `Command { std: "docker" "start" "-a" "5c79fd7c9fb12670b0331e2320b24607d5cf2c56a746485e92259424ebeada2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c79fd7c9fb12670b0331e2320b24607d5cf2c56a746485e92259424ebeada2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c79fd7c9fb12670b0331e2320b24607d5cf2c56a746485e92259424ebeada2e", kill_on_drop: false }`
[INFO] [stdout] 5c79fd7c9fb12670b0331e2320b24607d5cf2c56a746485e92259424ebeada2e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b9c7dac9c7fbc97ae18c35541ebeb0f885c91052382bbc5fe1ff136d331e39
[INFO] running `Command { std: "docker" "start" "-a" "b5b9c7dac9c7fbc97ae18c35541ebeb0f885c91052382bbc5fe1ff136d331e39", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling memsocket v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "b5b9c7dac9c7fbc97ae18c35541ebeb0f885c91052382bbc5fe1ff136d331e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b9c7dac9c7fbc97ae18c35541ebeb0f885c91052382bbc5fe1ff136d331e39", kill_on_drop: false }`
[INFO] [stdout] b5b9c7dac9c7fbc97ae18c35541ebeb0f885c91052382bbc5fe1ff136d331e39
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e96982d38d5b8c1fe9394afeb5b7daacb6be34561951960312a8599e4162f3b
[INFO] running `Command { std: "docker" "start" "-a" "3e96982d38d5b8c1fe9394afeb5b7daacb6be34561951960312a8599e4162f3b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling memsocket v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> tests/unbounded_test.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stdout] 32 | |         .unwrap()
[INFO] [stdout] 33 | |         .block_on({
[INFO] [stdout] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |         .unwrap();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> tests/bounded_test.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stdout] 32 | |         .unwrap()
[INFO] [stdout] 33 | |         .block_on({
[INFO] [stdout] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |         .unwrap();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "3e96982d38d5b8c1fe9394afeb5b7daacb6be34561951960312a8599e4162f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e96982d38d5b8c1fe9394afeb5b7daacb6be34561951960312a8599e4162f3b", kill_on_drop: false }`
[INFO] [stdout] 3e96982d38d5b8c1fe9394afeb5b7daacb6be34561951960312a8599e4162f3b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8e63f8f2693ec5152f6017dc2ba76a1424a3b0e0223bb1707d21e4722d40eeb
[INFO] running `Command { std: "docker" "start" "-a" "c8e63f8f2693ec5152f6017dc2ba76a1424a3b0e0223bb1707d21e4722d40eeb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> tests/bounded_test.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stderr] 32 | |         .unwrap()
[INFO] [stderr] 33 | |         .block_on({
[INFO] [stderr] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         })
[INFO] [stderr] 42 | |         .unwrap();
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> tests/unbounded_test.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stderr] 32 | |         .unwrap()
[INFO] [stderr] 33 | |         .block_on({
[INFO] [stderr] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         })
[INFO] [stderr] 42 | |         .unwrap();
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `memsocket` (test "bounded_test") generated 1 warning
[INFO] [stderr] warning: `memsocket` (test "unbounded_test") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memsocket-583b580b305dffc3)
[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]      Running tests/bounded_test.rs (/opt/rustwide/target/debug/deps/bounded_test-e1dc40727d6eb2db)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test read_then_write ... ok
[INFO] [stdout] test write_then_read_partial ... ok
[INFO] [stdout] test write_then_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unbounded_test.rs (/opt/rustwide/target/debug/deps/unbounded_test-24c7e8f76707349e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write_then_read ... ok
[INFO] [stdout] test write_then_read_partial ... ok
[INFO] [stdout] test read_then_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memsocket
[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" "c8e63f8f2693ec5152f6017dc2ba76a1424a3b0e0223bb1707d21e4722d40eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e63f8f2693ec5152f6017dc2ba76a1424a3b0e0223bb1707d21e4722d40eeb", kill_on_drop: false }`
[INFO] [stdout] c8e63f8f2693ec5152f6017dc2ba76a1424a3b0e0223bb1707d21e4722d40eeb