[INFO] fetching crate synaptic-sandbox 0.4.0...
[INFO] testing synaptic-sandbox-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate synaptic-sandbox 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate synaptic-sandbox 0.4.0
[INFO] finished tweaking crates.io crate synaptic-sandbox 0.4.0
[INFO] tweaked toml for crates.io crate synaptic-sandbox 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synaptic-sandbox 0.4.0 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 synaptic-sandbox 0.4.0 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" "+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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e643c6690b57d5574e8ea4fc6b8ca6cbcc1d96a2081253b3543b99fcdfc0196
[INFO] running `Command { std: "docker" "start" "-a" "4e643c6690b57d5574e8ea4fc6b8ca6cbcc1d96a2081253b3543b99fcdfc0196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e643c6690b57d5574e8ea4fc6b8ca6cbcc1d96a2081253b3543b99fcdfc0196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e643c6690b57d5574e8ea4fc6b8ca6cbcc1d96a2081253b3543b99fcdfc0196", kill_on_drop: false }`
[INFO] [stdout] 4e643c6690b57d5574e8ea4fc6b8ca6cbcc1d96a2081253b3543b99fcdfc0196
[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=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] ae8c6a8c632276ea7991d777c4680e7d43532597acf478bedf2c19ea14f86bf0
[INFO] running `Command { std: "docker" "start" "-a" "ae8c6a8c632276ea7991d777c4680e7d43532597acf478bedf2c19ea14f86bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling synaptic-core v0.4.0
[INFO] [stderr]    Compiling synaptic-sandbox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.39s
[INFO] running `Command { std: "docker" "inspect" "ae8c6a8c632276ea7991d777c4680e7d43532597acf478bedf2c19ea14f86bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8c6a8c632276ea7991d777c4680e7d43532597acf478bedf2c19ea14f86bf0", kill_on_drop: false }`
[INFO] [stdout] ae8c6a8c632276ea7991d777c4680e7d43532597acf478bedf2c19ea14f86bf0
[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=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] ecd1d42b1eff9ed56345bc70775ba519a0af5836a2e88820b9340cc0cff421d4
[INFO] running `Command { std: "docker" "start" "-a" "ecd1d42b1eff9ed56345bc70775ba519a0af5836a2e88820b9340cc0cff421d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling synaptic-sandbox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ecd1d42b1eff9ed56345bc70775ba519a0af5836a2e88820b9340cc0cff421d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd1d42b1eff9ed56345bc70775ba519a0af5836a2e88820b9340cc0cff421d4", kill_on_drop: false }`
[INFO] [stdout] ecd1d42b1eff9ed56345bc70775ba519a0af5836a2e88820b9340cc0cff421d4
[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=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] 736fb86e22a08286b65cfbcfc0cb779a360153f72cc4ed3d7f21d40de773f33f
[INFO] running `Command { std: "docker" "start" "-a" "736fb86e22a08286b65cfbcfc0cb779a360153f72cc4ed3d7f21d40de773f33f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synaptic_sandbox-a7c23a2fe95f4bf8)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test docker::tests::build_args_contains_code ... ok
[INFO] [stdout] test docker::tests::build_args_network_disabled ... ok
[INFO] [stdout] test docker::tests::unknown_language_uses_default_image ... ok
[INFO] [stdout] test docker::tests::custom_image ... ok
[INFO] [stdout] test docker::tests::build_args_network_enabled ... ok
[INFO] [stdout] test docker::tests::default_images ... ok
[INFO] [stdout] test docker::tests::docker_host_builder ... ok
[INFO] [stdout] test tests::custom_limits ... ok
[INFO] [stdout] test docker::tests::shell_cmd_bash_fallback ... ok
[INFO] [stdout] test docker::tests::shell_cmd_javascript ... ok
[INFO] [stdout] test tests::tool_call_success ... ok
[INFO] [stdout] test tests::mock_backend_availability ... ok
[INFO] [stdout] test tests::sandbox_result_serialize ... ok
[INFO] [stderr]    Doc-tests synaptic_sandbox
[INFO] [stdout] test tests::tool_name_and_description ... ok
[INFO] [stdout] test tests::tool_call_default_language ... ok
[INFO] [stdout] test tests::tool_call_missing_code ... ok
[INFO] [stdout] test tests::tool_parameters_schema ... ok
[INFO] [stdout] test tests::sandbox_result_defaults ... ok
[INFO] [stdout] test tests::tool_call_nonzero_exit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/docker.rs - docker::DockerSandbox (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 14) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "736fb86e22a08286b65cfbcfc0cb779a360153f72cc4ed3d7f21d40de773f33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736fb86e22a08286b65cfbcfc0cb779a360153f72cc4ed3d7f21d40de773f33f", kill_on_drop: false }`
[INFO] [stdout] 736fb86e22a08286b65cfbcfc0cb779a360153f72cc4ed3d7f21d40de773f33f
