[INFO] fetching crate prover-lib-2 0.1.7...
[INFO] testing prover-lib-2-0.1.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate prover-lib-2 0.1.7 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prover-lib-2 0.1.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43198c1a78213cc8c612accf371a3a4c29f0c41cb9c87aa433f30ff0166bdf2d
[INFO] running `Command { std: "docker" "start" "-a" "43198c1a78213cc8c612accf371a3a4c29f0c41cb9c87aa433f30ff0166bdf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43198c1a78213cc8c612accf371a3a4c29f0c41cb9c87aa433f30ff0166bdf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43198c1a78213cc8c612accf371a3a4c29f0c41cb9c87aa433f30ff0166bdf2d", kill_on_drop: false }`
[INFO] [stdout] 43198c1a78213cc8c612accf371a3a4c29f0c41cb9c87aa433f30ff0166bdf2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d79ca39e2ac96fec75ea69bed8e9a9ed4efbef47ada897a2a832b4b1703b6d8
[INFO] running `Command { std: "docker" "start" "-a" "2d79ca39e2ac96fec75ea69bed8e9a9ed4efbef47ada897a2a832b4b1703b6d8", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "2d79ca39e2ac96fec75ea69bed8e9a9ed4efbef47ada897a2a832b4b1703b6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d79ca39e2ac96fec75ea69bed8e9a9ed4efbef47ada897a2a832b4b1703b6d8", kill_on_drop: false }`
[INFO] [stdout] 2d79ca39e2ac96fec75ea69bed8e9a9ed4efbef47ada897a2a832b4b1703b6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b52e34c5f9429db10230c964144b3782e8184fbb13f7de3dc496425972233b2
[INFO] running `Command { std: "docker" "start" "-a" "1b52e34c5f9429db10230c964144b3782e8184fbb13f7de3dc496425972233b2", 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 0.18s
[INFO] running `Command { std: "docker" "inspect" "1b52e34c5f9429db10230c964144b3782e8184fbb13f7de3dc496425972233b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b52e34c5f9429db10230c964144b3782e8184fbb13f7de3dc496425972233b2", kill_on_drop: false }`
[INFO] [stdout] 1b52e34c5f9429db10230c964144b3782e8184fbb13f7de3dc496425972233b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2215e754b771439805fb000bbc4326c39cfb0919064e484406e5222350cb4bf
[INFO] running `Command { std: "docker" "start" "-a" "b2215e754b771439805fb000bbc4326c39cfb0919064e484406e5222350cb4bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prover_lib_2-7bde194778e3886f)
[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" "b2215e754b771439805fb000bbc4326c39cfb0919064e484406e5222350cb4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2215e754b771439805fb000bbc4326c39cfb0919064e484406e5222350cb4bf", kill_on_drop: false }`
[INFO] [stdout] b2215e754b771439805fb000bbc4326c39cfb0919064e484406e5222350cb4bf