[INFO] fetching crate gars 0.0.5...
[INFO] testing gars-0.0.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gars 0.0.5 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate gars 0.0.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gars 0.0.5
[INFO] finished tweaking crates.io crate gars 0.0.5
[INFO] tweaked toml for crates.io crate gars 0.0.5 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate gars 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eb67deafa4c6072536e12ed932c79d4976102b3d4755fd3708a6cfe591ca080
[INFO] running `Command { std: "docker" "start" "-a" "6eb67deafa4c6072536e12ed932c79d4976102b3d4755fd3708a6cfe591ca080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eb67deafa4c6072536e12ed932c79d4976102b3d4755fd3708a6cfe591ca080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb67deafa4c6072536e12ed932c79d4976102b3d4755fd3708a6cfe591ca080", kill_on_drop: false }`
[INFO] [stdout] 6eb67deafa4c6072536e12ed932c79d4976102b3d4755fd3708a6cfe591ca080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f7f8806e2d7cd0509958125848082e653361fe3a9ca2ac5d3ed17ad71be1c5
[INFO] running `Command { std: "docker" "start" "-a" "f2f7f8806e2d7cd0509958125848082e653361fe3a9ca2ac5d3ed17ad71be1c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling google-authenticator v0.2.1
[INFO] [stderr]    Compiling gars v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "f2f7f8806e2d7cd0509958125848082e653361fe3a9ca2ac5d3ed17ad71be1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f7f8806e2d7cd0509958125848082e653361fe3a9ca2ac5d3ed17ad71be1c5", kill_on_drop: false }`
[INFO] [stdout] f2f7f8806e2d7cd0509958125848082e653361fe3a9ca2ac5d3ed17ad71be1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dcd033f90c5497d17bf18079e9ae619ecf1970021113c2991afa2b036862a0b
[INFO] running `Command { std: "docker" "start" "-a" "6dcd033f90c5497d17bf18079e9ae619ecf1970021113c2991afa2b036862a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gars v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6dcd033f90c5497d17bf18079e9ae619ecf1970021113c2991afa2b036862a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcd033f90c5497d17bf18079e9ae619ecf1970021113c2991afa2b036862a0b", kill_on_drop: false }`
[INFO] [stdout] 6dcd033f90c5497d17bf18079e9ae619ecf1970021113c2991afa2b036862a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2f3dcbf3e30d60c035cbfe84f35f336e10155c4441e2695b58f532e513414c4
[INFO] running `Command { std: "docker" "start" "-a" "b2f3dcbf3e30d60c035cbfe84f35f336e10155c4441e2695b58f532e513414c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gars-5f59e52ff67c9e5b)
[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" "b2f3dcbf3e30d60c035cbfe84f35f336e10155c4441e2695b58f532e513414c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f3dcbf3e30d60c035cbfe84f35f336e10155c4441e2695b58f532e513414c4", kill_on_drop: false }`
[INFO] [stdout] b2f3dcbf3e30d60c035cbfe84f35f336e10155c4441e2695b58f532e513414c4