[INFO] fetching crate prover-lib-2 0.1.7...
[INFO] testing prover-lib-2-0.1.7 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate prover-lib-2 0.1.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate prover-lib-2 0.1.7
[INFO] finished tweaking crates.io crate prover-lib-2 0.1.7
[INFO] tweaked toml for crates.io crate prover-lib-2 0.1.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prover-lib-2 0.1.7 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] crate crates.io crate prover-lib-2 0.1.7 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7546d58d9d300331655b2f6444b4826c25baea90f0e10e6a74cba7d42a112e3c
[INFO] running `Command { std: "docker" "start" "-a" "7546d58d9d300331655b2f6444b4826c25baea90f0e10e6a74cba7d42a112e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7546d58d9d300331655b2f6444b4826c25baea90f0e10e6a74cba7d42a112e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7546d58d9d300331655b2f6444b4826c25baea90f0e10e6a74cba7d42a112e3c", kill_on_drop: false }`
[INFO] [stdout] 7546d58d9d300331655b2f6444b4826c25baea90f0e10e6a74cba7d42a112e3c
[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=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] b4a946cd3f60eb82e0c518c209ba8a9c19e39f707007995781d4283405426f2b
[INFO] running `Command { std: "docker" "start" "-a" "b4a946cd3f60eb82e0c518c209ba8a9c19e39f707007995781d4283405426f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling prover-lib-2 v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b4a946cd3f60eb82e0c518c209ba8a9c19e39f707007995781d4283405426f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a946cd3f60eb82e0c518c209ba8a9c19e39f707007995781d4283405426f2b", kill_on_drop: false }`
[INFO] [stdout] b4a946cd3f60eb82e0c518c209ba8a9c19e39f707007995781d4283405426f2b
[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=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] 035e7abf5a8b2d1055e623c26667e7c65e90f9568c3ed839f0c731c6e9ab0687
[INFO] running `Command { std: "docker" "start" "-a" "035e7abf5a8b2d1055e623c26667e7c65e90f9568c3ed839f0c731c6e9ab0687", kill_on_drop: false }`
[INFO] [stderr]    Compiling prover-lib-2 v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "035e7abf5a8b2d1055e623c26667e7c65e90f9568c3ed839f0c731c6e9ab0687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035e7abf5a8b2d1055e623c26667e7c65e90f9568c3ed839f0c731c6e9ab0687", kill_on_drop: false }`
[INFO] [stdout] 035e7abf5a8b2d1055e623c26667e7c65e90f9568c3ed839f0c731c6e9ab0687
[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=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] 3ffcaef8a78b07e418fef61ca744f0725b6e0081a317985a2e9afe095320eb9c
[INFO] running `Command { std: "docker" "start" "-a" "3ffcaef8a78b07e418fef61ca744f0725b6e0081a317985a2e9afe095320eb9c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prover_lib_2-bb602c9eb2131101)
[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" "3ffcaef8a78b07e418fef61ca744f0725b6e0081a317985a2e9afe095320eb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffcaef8a78b07e418fef61ca744f0725b6e0081a317985a2e9afe095320eb9c", kill_on_drop: false }`
[INFO] [stdout] 3ffcaef8a78b07e418fef61ca744f0725b6e0081a317985a2e9afe095320eb9c