[INFO] fetching crate var-watcher 0.1.0...
[INFO] testing var-watcher-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate var-watcher 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate var-watcher 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate var-watcher 0.1.0
[INFO] finished tweaking crates.io crate var-watcher 0.1.0
[INFO] tweaked toml for crates.io crate var-watcher 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5abb88cc203b416f3b6bf11d2ba4e77a80a03061760c85c6824c92afac0a17af
[INFO] running `Command { std: "docker" "start" "-a" "5abb88cc203b416f3b6bf11d2ba4e77a80a03061760c85c6824c92afac0a17af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5abb88cc203b416f3b6bf11d2ba4e77a80a03061760c85c6824c92afac0a17af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abb88cc203b416f3b6bf11d2ba4e77a80a03061760c85c6824c92afac0a17af", kill_on_drop: false }`
[INFO] [stdout] 5abb88cc203b416f3b6bf11d2ba4e77a80a03061760c85c6824c92afac0a17af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4799809738f87d042e240cdc56f058b469f3c52e28060ef00df4cca6a66dc261
[INFO] running `Command { std: "docker" "start" "-a" "4799809738f87d042e240cdc56f058b469f3c52e28060ef00df4cca6a66dc261", kill_on_drop: false }`
[INFO] [stderr]    Compiling var-watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "4799809738f87d042e240cdc56f058b469f3c52e28060ef00df4cca6a66dc261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4799809738f87d042e240cdc56f058b469f3c52e28060ef00df4cca6a66dc261", kill_on_drop: false }`
[INFO] [stdout] 4799809738f87d042e240cdc56f058b469f3c52e28060ef00df4cca6a66dc261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6dabb846a41ccb005f13eafd8b24281782f05bf6e490b163ffac56fbf930a88
[INFO] running `Command { std: "docker" "start" "-a" "e6dabb846a41ccb005f13eafd8b24281782f05bf6e490b163ffac56fbf930a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling var-watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e6dabb846a41ccb005f13eafd8b24281782f05bf6e490b163ffac56fbf930a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dabb846a41ccb005f13eafd8b24281782f05bf6e490b163ffac56fbf930a88", kill_on_drop: false }`
[INFO] [stdout] e6dabb846a41ccb005f13eafd8b24281782f05bf6e490b163ffac56fbf930a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d203ef7aa75c73174af41df2e40d8473bdd3659e4c8ffbe07e0adf86956cfef4
[INFO] running `Command { std: "docker" "start" "-a" "d203ef7aa75c73174af41df2e40d8473bdd3659e4c8ffbe07e0adf86956cfef4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/var_watcher-ce0729fe533eaf80)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test watcher::tests::initiate_callback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests var-watcher
[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" "d203ef7aa75c73174af41df2e40d8473bdd3659e4c8ffbe07e0adf86956cfef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d203ef7aa75c73174af41df2e40d8473bdd3659e4c8ffbe07e0adf86956cfef4", kill_on_drop: false }`
[INFO] [stdout] d203ef7aa75c73174af41df2e40d8473bdd3659e4c8ffbe07e0adf86956cfef4