[INFO] fetching crate nuts-backend 0.7.9...
[INFO] testing nuts-backend-0.7.9 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nuts-backend 0.7.9 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate nuts-backend 0.7.9
[INFO] finished tweaking crates.io crate nuts-backend 0.7.9
[INFO] tweaked toml for crates.io crate nuts-backend 0.7.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nuts-backend 0.7.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c80d642b95f1bf6bc26cb8040e6daf3fb262c6d1e7d28cece4a8a19fbc930e72
[INFO] running `Command { std: "docker" "start" "-a" "c80d642b95f1bf6bc26cb8040e6daf3fb262c6d1e7d28cece4a8a19fbc930e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80d642b95f1bf6bc26cb8040e6daf3fb262c6d1e7d28cece4a8a19fbc930e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80d642b95f1bf6bc26cb8040e6daf3fb262c6d1e7d28cece4a8a19fbc930e72", kill_on_drop: false }`
[INFO] [stdout] c80d642b95f1bf6bc26cb8040e6daf3fb262c6d1e7d28cece4a8a19fbc930e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9206a3d2a1c7b562bd48167a7e87a8ed74566484e1d56034add56e2c030cd037
[INFO] running `Command { std: "docker" "start" "-a" "9206a3d2a1c7b562bd48167a7e87a8ed74566484e1d56034add56e2c030cd037", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts-backend v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9206a3d2a1c7b562bd48167a7e87a8ed74566484e1d56034add56e2c030cd037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9206a3d2a1c7b562bd48167a7e87a8ed74566484e1d56034add56e2c030cd037", kill_on_drop: false }`
[INFO] [stdout] 9206a3d2a1c7b562bd48167a7e87a8ed74566484e1d56034add56e2c030cd037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9d7cf0878e281806e71ed56eb5759ae2ca6c0e61263e616ffc4c7ca3a1e6e785
[INFO] running `Command { std: "docker" "start" "-a" "9d7cf0878e281806e71ed56eb5759ae2ca6c0e61263e616ffc4c7ca3a1e6e785", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts-backend v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9d7cf0878e281806e71ed56eb5759ae2ca6c0e61263e616ffc4c7ca3a1e6e785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7cf0878e281806e71ed56eb5759ae2ca6c0e61263e616ffc4c7ca3a1e6e785", kill_on_drop: false }`
[INFO] [stdout] 9d7cf0878e281806e71ed56eb5759ae2ca6c0e61263e616ffc4c7ca3a1e6e785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c6fbce43837c344e345eabb0cbb87ac7ce7edbdda894949d1ef3ebd0d285f826
[INFO] running `Command { std: "docker" "start" "-a" "c6fbce43837c344e345eabb0cbb87ac7ce7edbdda894949d1ef3ebd0d285f826", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nuts_backend-409c5d94fb617e01)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nuts_backend
[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] [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" "c6fbce43837c344e345eabb0cbb87ac7ce7edbdda894949d1ef3ebd0d285f826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fbce43837c344e345eabb0cbb87ac7ce7edbdda894949d1ef3ebd0d285f826", kill_on_drop: false }`
[INFO] [stdout] c6fbce43837c344e345eabb0cbb87ac7ce7edbdda894949d1ef3ebd0d285f826