[INFO] fetching crate var-watcher 0.1.0...
[INFO] testing var-watcher-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate var-watcher 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate var-watcher 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3d5512b8fbd1baa8c9600b99fb46d2a4dfae5c9fe199b1376dc0db018ef9222
[INFO] running `Command { std: "docker" "start" "-a" "d3d5512b8fbd1baa8c9600b99fb46d2a4dfae5c9fe199b1376dc0db018ef9222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d5512b8fbd1baa8c9600b99fb46d2a4dfae5c9fe199b1376dc0db018ef9222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d5512b8fbd1baa8c9600b99fb46d2a4dfae5c9fe199b1376dc0db018ef9222", kill_on_drop: false }`
[INFO] [stdout] d3d5512b8fbd1baa8c9600b99fb46d2a4dfae5c9fe199b1376dc0db018ef9222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850fe81a32f6220135315a23fc786534ba1937d39b2453b0a03b280de2032d91
[INFO] running `Command { std: "docker" "start" "-a" "850fe81a32f6220135315a23fc786534ba1937d39b2453b0a03b280de2032d91", kill_on_drop: false }`
[INFO] [stderr]    Compiling var-watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "850fe81a32f6220135315a23fc786534ba1937d39b2453b0a03b280de2032d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850fe81a32f6220135315a23fc786534ba1937d39b2453b0a03b280de2032d91", kill_on_drop: false }`
[INFO] [stdout] 850fe81a32f6220135315a23fc786534ba1937d39b2453b0a03b280de2032d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5f0b0a80cd099d2a8d22df18b7e2168bfb0efd700067f89488bfd7015c19a8
[INFO] running `Command { std: "docker" "start" "-a" "dd5f0b0a80cd099d2a8d22df18b7e2168bfb0efd700067f89488bfd7015c19a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling var-watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "dd5f0b0a80cd099d2a8d22df18b7e2168bfb0efd700067f89488bfd7015c19a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5f0b0a80cd099d2a8d22df18b7e2168bfb0efd700067f89488bfd7015c19a8", kill_on_drop: false }`
[INFO] [stdout] dd5f0b0a80cd099d2a8d22df18b7e2168bfb0efd700067f89488bfd7015c19a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 110c107826da9441c24be7d13c6801d65d5a4aec2c86efb53998855ea23b85a3
[INFO] running `Command { std: "docker" "start" "-a" "110c107826da9441c24be7d13c6801d65d5a4aec2c86efb53998855ea23b85a3", 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-ecdabb1a3e075631)
[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" "110c107826da9441c24be7d13c6801d65d5a4aec2c86efb53998855ea23b85a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110c107826da9441c24be7d13c6801d65d5a4aec2c86efb53998855ea23b85a3", kill_on_drop: false }`
[INFO] [stdout] 110c107826da9441c24be7d13c6801d65d5a4aec2c86efb53998855ea23b85a3