[INFO] fetching crate stepper-interface 0.1.2...
[INFO] testing stepper-interface-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate stepper-interface 0.1.2 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepper-interface 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: v1.0.145)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 314c9433380ea183f8eb88cc34a93bc6cb6fa9286334bc8dd0e737171bc662d9
[INFO] running `Command { std: "docker" "start" "-a" "314c9433380ea183f8eb88cc34a93bc6cb6fa9286334bc8dd0e737171bc662d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314c9433380ea183f8eb88cc34a93bc6cb6fa9286334bc8dd0e737171bc662d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314c9433380ea183f8eb88cc34a93bc6cb6fa9286334bc8dd0e737171bc662d9", kill_on_drop: false }`
[INFO] [stdout] 314c9433380ea183f8eb88cc34a93bc6cb6fa9286334bc8dd0e737171bc662d9
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a348e6b91d714a36b1915acad9dcf3014bc1f245002041770ce3c6e968a866
[INFO] running `Command { std: "docker" "start" "-a" "c6a348e6b91d714a36b1915acad9dcf3014bc1f245002041770ce3c6e968a866", 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 libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling it-to-bytes v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[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 16.95s
[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" "c6a348e6b91d714a36b1915acad9dcf3014bc1f245002041770ce3c6e968a866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a348e6b91d714a36b1915acad9dcf3014bc1f245002041770ce3c6e968a866", kill_on_drop: false }`
[INFO] [stdout] c6a348e6b91d714a36b1915acad9dcf3014bc1f245002041770ce3c6e968a866
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e36b037befb26cb81b79a159126617ff38f203f7432946a9f6f7cf52ddd5237
[INFO] running `Command { std: "docker" "start" "-a" "0e36b037befb26cb81b79a159126617ff38f203f7432946a9f6f7cf52ddd5237", 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 0.49s
[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" "0e36b037befb26cb81b79a159126617ff38f203f7432946a9f6f7cf52ddd5237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e36b037befb26cb81b79a159126617ff38f203f7432946a9f6f7cf52ddd5237", kill_on_drop: false }`
[INFO] [stdout] 0e36b037befb26cb81b79a159126617ff38f203f7432946a9f6f7cf52ddd5237
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6187e232d4e61f55ba229a85ff51073e62378a098ceab4689d9f67a5c53bcb7f
[INFO] running `Command { std: "docker" "start" "-a" "6187e232d4e61f55ba229a85ff51073e62378a098ceab4689d9f67a5c53bcb7f", 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-855d29915e0a696a)
[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" "6187e232d4e61f55ba229a85ff51073e62378a098ceab4689d9f67a5c53bcb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6187e232d4e61f55ba229a85ff51073e62378a098ceab4689d9f67a5c53bcb7f", kill_on_drop: false }`
[INFO] [stdout] 6187e232d4e61f55ba229a85ff51073e62378a098ceab4689d9f67a5c53bcb7f