[INFO] cloning repository https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruuda/btrfs-mirror-subvolumes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0a697a2a7aff6ef36b2d46b5fc0b74b3083e19f
[INFO] testing ruuda/btrfs-mirror-subvolumes against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruuda/btrfs-mirror-subvolumes on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] finished tweaking git repo https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] tweaked toml for git repo https://github.com/ruuda/btrfs-mirror-subvolumes written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ruuda/btrfs-mirror-subvolumes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c761305c98fb1d1f41297bf7460b1ca722bb1c28afc121ddf3b46085a66901cc
[INFO] running `Command { std: "docker" "start" "-a" "c761305c98fb1d1f41297bf7460b1ca722bb1c28afc121ddf3b46085a66901cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c761305c98fb1d1f41297bf7460b1ca722bb1c28afc121ddf3b46085a66901cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c761305c98fb1d1f41297bf7460b1ca722bb1c28afc121ddf3b46085a66901cc", kill_on_drop: false }`
[INFO] [stdout] c761305c98fb1d1f41297bf7460b1ca722bb1c28afc121ddf3b46085a66901cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa193058a557fd3f7d559bba73ee79f29d0c6777532effd18d0fd712321194b4
[INFO] running `Command { std: "docker" "start" "-a" "fa193058a557fd3f7d559bba73ee79f29d0c6777532effd18d0fd712321194b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling reflink-diff v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "fa193058a557fd3f7d559bba73ee79f29d0c6777532effd18d0fd712321194b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa193058a557fd3f7d559bba73ee79f29d0c6777532effd18d0fd712321194b4", kill_on_drop: false }`
[INFO] [stdout] fa193058a557fd3f7d559bba73ee79f29d0c6777532effd18d0fd712321194b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51fc931d177324452ebc010260b8a0446701e507c8efe3c42c00e6feac910442
[INFO] running `Command { std: "docker" "start" "-a" "51fc931d177324452ebc010260b8a0446701e507c8efe3c42c00e6feac910442", kill_on_drop: false }`
[INFO] [stderr]    Compiling reflink-diff v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "51fc931d177324452ebc010260b8a0446701e507c8efe3c42c00e6feac910442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fc931d177324452ebc010260b8a0446701e507c8efe3c42c00e6feac910442", kill_on_drop: false }`
[INFO] [stdout] 51fc931d177324452ebc010260b8a0446701e507c8efe3c42c00e6feac910442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 814cc292b7ecc26aecd7022e0edbf08c040a9601cb93b810ca41c42d92a39e89
[INFO] running `Command { std: "docker" "start" "-a" "814cc292b7ecc26aecd7022e0edbf08c040a9601cb93b810ca41c42d92a39e89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reflink_diff-7c3bf67f6823937e)
[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" "814cc292b7ecc26aecd7022e0edbf08c040a9601cb93b810ca41c42d92a39e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814cc292b7ecc26aecd7022e0edbf08c040a9601cb93b810ca41c42d92a39e89", kill_on_drop: false }`
[INFO] [stdout] 814cc292b7ecc26aecd7022e0edbf08c040a9601cb93b810ca41c42d92a39e89