[INFO] fetching crate rbsg-backend 0.0.1...
[INFO] testing rbsg-backend-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rbsg-backend 0.0.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate rbsg-backend 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbsg-backend 0.0.1
[INFO] finished tweaking crates.io crate rbsg-backend 0.0.1
[INFO] tweaked toml for crates.io crate rbsg-backend 0.0.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate rbsg-backend 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5acbe55aee072684c619ec6c1915fd8392337bdc2929a3d1d278ce11e879c3df
[INFO] running `Command { std: "docker" "start" "-a" "5acbe55aee072684c619ec6c1915fd8392337bdc2929a3d1d278ce11e879c3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5acbe55aee072684c619ec6c1915fd8392337bdc2929a3d1d278ce11e879c3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acbe55aee072684c619ec6c1915fd8392337bdc2929a3d1d278ce11e879c3df", kill_on_drop: false }`
[INFO] [stdout] 5acbe55aee072684c619ec6c1915fd8392337bdc2929a3d1d278ce11e879c3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b8c04b24b2e1017489e9f03411fa08cb3b6488878817a8bc8ed205aab1e924f
[INFO] running `Command { std: "docker" "start" "-a" "8b8c04b24b2e1017489e9f03411fa08cb3b6488878817a8bc8ed205aab1e924f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbsg-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "8b8c04b24b2e1017489e9f03411fa08cb3b6488878817a8bc8ed205aab1e924f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8c04b24b2e1017489e9f03411fa08cb3b6488878817a8bc8ed205aab1e924f", kill_on_drop: false }`
[INFO] [stdout] 8b8c04b24b2e1017489e9f03411fa08cb3b6488878817a8bc8ed205aab1e924f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e7019e1da73e1e8481b506b13591b78175d68f86f33a32a55750b9a877af17
[INFO] running `Command { std: "docker" "start" "-a" "50e7019e1da73e1e8481b506b13591b78175d68f86f33a32a55750b9a877af17", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbsg-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rbsg_backend-15ffc5e2ca831c83)
[INFO] running `Command { std: "docker" "inspect" "50e7019e1da73e1e8481b506b13591b78175d68f86f33a32a55750b9a877af17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e7019e1da73e1e8481b506b13591b78175d68f86f33a32a55750b9a877af17", kill_on_drop: false }`
[INFO] [stdout] 50e7019e1da73e1e8481b506b13591b78175d68f86f33a32a55750b9a877af17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 640e8aa3cea5885bc8120db864816c687e9135ca31ba64ba70a953f7fe6f2e38
[INFO] running `Command { std: "docker" "start" "-a" "640e8aa3cea5885bc8120db864816c687e9135ca31ba64ba70a953f7fe6f2e38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rbsg_backend-15ffc5e2ca831c83)
[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" "640e8aa3cea5885bc8120db864816c687e9135ca31ba64ba70a953f7fe6f2e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640e8aa3cea5885bc8120db864816c687e9135ca31ba64ba70a953f7fe6f2e38", kill_on_drop: false }`
[INFO] [stdout] 640e8aa3cea5885bc8120db864816c687e9135ca31ba64ba70a953f7fe6f2e38