[INFO] fetching crate samus 0.1.1...
[INFO] testing samus-0.1.1 against beta-2026-04-21 for beta-1.96-3
[INFO] extracting crate samus 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate samus 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate samus 0.1.1
[INFO] tweaked toml for crates.io crate samus 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samus 0.1.1 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 crates.io crate samus 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1ff69826a560721a0ff2b30c90ea68a35ac173a2b67ea1e076e7cd5032fa61d2
[INFO] running `Command { std: "docker" "start" "-a" "1ff69826a560721a0ff2b30c90ea68a35ac173a2b67ea1e076e7cd5032fa61d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff69826a560721a0ff2b30c90ea68a35ac173a2b67ea1e076e7cd5032fa61d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff69826a560721a0ff2b30c90ea68a35ac173a2b67ea1e076e7cd5032fa61d2", kill_on_drop: false }`
[INFO] [stdout] 1ff69826a560721a0ff2b30c90ea68a35ac173a2b67ea1e076e7cd5032fa61d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bf8c88520da150b0deac2834f6d1ef823adb160c2aabd98575b91a6eca7353f7
[INFO] running `Command { std: "docker" "start" "-a" "bf8c88520da150b0deac2834f6d1ef823adb160c2aabd98575b91a6eca7353f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling samus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "bf8c88520da150b0deac2834f6d1ef823adb160c2aabd98575b91a6eca7353f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8c88520da150b0deac2834f6d1ef823adb160c2aabd98575b91a6eca7353f7", kill_on_drop: false }`
[INFO] [stdout] bf8c88520da150b0deac2834f6d1ef823adb160c2aabd98575b91a6eca7353f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0bdbc5d6f64e7fca6445de61acbb89ba8f08957f217715ca8b441ae1b2a26084
[INFO] running `Command { std: "docker" "start" "-a" "0bdbc5d6f64e7fca6445de61acbb89ba8f08957f217715ca8b441ae1b2a26084", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[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] [stderr]    Compiling samus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "0bdbc5d6f64e7fca6445de61acbb89ba8f08957f217715ca8b441ae1b2a26084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdbc5d6f64e7fca6445de61acbb89ba8f08957f217715ca8b441ae1b2a26084", kill_on_drop: false }`
[INFO] [stdout] 0bdbc5d6f64e7fca6445de61acbb89ba8f08957f217715ca8b441ae1b2a26084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06bca0ed8354004bd4ff82484e4800c9a3b0bfe26cc50406b1cb3907d28555a1
[INFO] running `Command { std: "docker" "start" "-a" "06bca0ed8354004bd4ff82484e4800c9a3b0bfe26cc50406b1cb3907d28555a1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[INFO] [stderr]    |         ----^^^^^^^^^^
[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: `samus` (lib) generated 1 warning (run `cargo fix --lib -p samus` to apply 1 suggestion)
[INFO] [stderr] warning: `samus` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/samus-ed9e3961760dd48d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test store::tests::test_get_and_set ... ok
[INFO] [stdout] test store::tests::test_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/samus-e68275ce6e76d805)
[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/server_test.rs (/opt/rustwide/target/debug/deps/server_test-83ff2208c49c05d4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests samus
[INFO] [stdout] test integration_test_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[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" "06bca0ed8354004bd4ff82484e4800c9a3b0bfe26cc50406b1cb3907d28555a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bca0ed8354004bd4ff82484e4800c9a3b0bfe26cc50406b1cb3907d28555a1", kill_on_drop: false }`
[INFO] [stdout] 06bca0ed8354004bd4ff82484e4800c9a3b0bfe26cc50406b1cb3907d28555a1