[INFO] fetching crate stepper-interface 0.1.2...
[INFO] testing stepper-interface-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate stepper-interface 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stepper-interface 0.1.2
[INFO] finished tweaking crates.io crate stepper-interface 0.1.2
[INFO] tweaked toml for crates.io crate stepper-interface 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepper-interface 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding fluence v0.2.18 (available: v0.6.9)
[INFO] [stderr]       Adding fluence-it-types v0.1.1 (available: v0.4.1)
[INFO] [stderr]       Adding serde v1.0.118 (available: v1.0.228)
[INFO] [stderr]       Adding serde_derive v1.0.118 (available: v1.0.228)
[INFO] [stderr]       Adding serde_json v1.0.99 (available: v1.0.149)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a429628159cddf2c712b5c3ba51eb15f60e049ef8237367385d268b823c2fc2
[INFO] running `Command { std: "docker" "start" "-a" "4a429628159cddf2c712b5c3ba51eb15f60e049ef8237367385d268b823c2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a429628159cddf2c712b5c3ba51eb15f60e049ef8237367385d268b823c2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a429628159cddf2c712b5c3ba51eb15f60e049ef8237367385d268b823c2fc2", kill_on_drop: false }`
[INFO] [stdout] 4a429628159cddf2c712b5c3ba51eb15f60e049ef8237367385d268b823c2fc2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de2e5fd32ffc1146a3e8140c63ed4f78613aba0de4d859f107c09cbba5c5733
[INFO] running `Command { std: "docker" "start" "-a" "4de2e5fd32ffc1146a3e8140c63ed4f78613aba0de4d859f107c09cbba5c5733", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling it-to-bytes v0.1.0
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling fluence-it-types v0.1.1
[INFO] [stderr]    Compiling fluence-sdk-wit v0.2.18
[INFO] [stderr]    Compiling fluence-sdk-macro v0.2.18
[INFO] [stderr]    Compiling fluence-sdk-main v0.2.18
[INFO] [stderr]    Compiling fluence v0.2.18
[INFO] [stderr]    Compiling stepper-interface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fluence-sdk-wit v0.2.18
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4de2e5fd32ffc1146a3e8140c63ed4f78613aba0de4d859f107c09cbba5c5733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de2e5fd32ffc1146a3e8140c63ed4f78613aba0de4d859f107c09cbba5c5733", kill_on_drop: false }`
[INFO] [stdout] 4de2e5fd32ffc1146a3e8140c63ed4f78613aba0de4d859f107c09cbba5c5733
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578e699b47f178e3e5f289ddee38bcb56b8020f3abf9ab16f62400d63d6f9605
[INFO] running `Command { std: "docker" "start" "-a" "578e699b47f178e3e5f289ddee38bcb56b8020f3abf9ab16f62400d63d6f9605", kill_on_drop: false }`
[INFO] [stderr]    Compiling stepper-interface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fluence-sdk-wit v0.2.18
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "578e699b47f178e3e5f289ddee38bcb56b8020f3abf9ab16f62400d63d6f9605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578e699b47f178e3e5f289ddee38bcb56b8020f3abf9ab16f62400d63d6f9605", kill_on_drop: false }`
[INFO] [stdout] 578e699b47f178e3e5f289ddee38bcb56b8020f3abf9ab16f62400d63d6f9605
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d143bcab7e4b8225902c1560ac11f86aedfb1f0dc162645cf5071c74de0ca70
[INFO] running `Command { std: "docker" "start" "-a" "0d143bcab7e4b8225902c1560ac11f86aedfb1f0dc162645cf5071c74de0ca70", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fluence-sdk-wit v0.2.18
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stepper_interface-70c76bc6baa00fd3)
[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]    Doc-tests stepper_interface
[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" "0d143bcab7e4b8225902c1560ac11f86aedfb1f0dc162645cf5071c74de0ca70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d143bcab7e4b8225902c1560ac11f86aedfb1f0dc162645cf5071c74de0ca70", kill_on_drop: false }`
[INFO] [stdout] 0d143bcab7e4b8225902c1560ac11f86aedfb1f0dc162645cf5071c74de0ca70