[INFO] fetching crate gremlin 0.0.1...
[INFO] testing gremlin-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate gremlin 0.0.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate gremlin 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gremlin 0.0.1
[INFO] finished tweaking crates.io crate gremlin 0.0.1
[INFO] tweaked toml for crates.io crate gremlin 0.0.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087eb61eaab63b032f03cc4591b2491db7472bc1246d0c63c8c6038b7650817d
[INFO] running `Command { std: "docker" "start" "-a" "087eb61eaab63b032f03cc4591b2491db7472bc1246d0c63c8c6038b7650817d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087eb61eaab63b032f03cc4591b2491db7472bc1246d0c63c8c6038b7650817d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087eb61eaab63b032f03cc4591b2491db7472bc1246d0c63c8c6038b7650817d", kill_on_drop: false }`
[INFO] [stdout] 087eb61eaab63b032f03cc4591b2491db7472bc1246d0c63c8c6038b7650817d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248ccbbb62cfe7de9edcee96794ff87b1c1aa141abdbd33ed539af004ce4c56e
[INFO] running `Command { std: "docker" "start" "-a" "248ccbbb62cfe7de9edcee96794ff87b1c1aa141abdbd33ed539af004ce4c56e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gremlin v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "248ccbbb62cfe7de9edcee96794ff87b1c1aa141abdbd33ed539af004ce4c56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248ccbbb62cfe7de9edcee96794ff87b1c1aa141abdbd33ed539af004ce4c56e", kill_on_drop: false }`
[INFO] [stdout] 248ccbbb62cfe7de9edcee96794ff87b1c1aa141abdbd33ed539af004ce4c56e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c3489192cfa36d2c3c5f56f3152470aacb123bfca564e86e95da9686b73e4f8
[INFO] running `Command { std: "docker" "start" "-a" "1c3489192cfa36d2c3c5f56f3152470aacb123bfca564e86e95da9686b73e4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gremlin v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1c3489192cfa36d2c3c5f56f3152470aacb123bfca564e86e95da9686b73e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3489192cfa36d2c3c5f56f3152470aacb123bfca564e86e95da9686b73e4f8", kill_on_drop: false }`
[INFO] [stdout] 1c3489192cfa36d2c3c5f56f3152470aacb123bfca564e86e95da9686b73e4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c854da7c2511409bb2b9f5cf092322c2756475518d5af7e0d38a718224470cef
[INFO] running `Command { std: "docker" "start" "-a" "c854da7c2511409bb2b9f5cf092322c2756475518d5af7e0d38a718224470cef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gremlin-78095873ef70fb12)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::gremlin ... ok
[INFO] [stderr]    Doc-tests gremlin
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "c854da7c2511409bb2b9f5cf092322c2756475518d5af7e0d38a718224470cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c854da7c2511409bb2b9f5cf092322c2756475518d5af7e0d38a718224470cef", kill_on_drop: false }`
[INFO] [stdout] c854da7c2511409bb2b9f5cf092322c2756475518d5af7e0d38a718224470cef