[INFO] cloning repository https://github.com/fabianschuiki/btrfs-snapshot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianschuiki/btrfs-snapshot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianschuiki%2Fbtrfs-snapshot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianschuiki%2Fbtrfs-snapshot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f9de99caad63b00f277ae1609f94db73a98bfd5
[INFO] testing fabianschuiki/btrfs-snapshot against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianschuiki%2Fbtrfs-snapshot" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabianschuiki/btrfs-snapshot on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabianschuiki/btrfs-snapshot
[INFO] finished tweaking git repo https://github.com/fabianschuiki/btrfs-snapshot
[INFO] tweaked toml for git repo https://github.com/fabianschuiki/btrfs-snapshot written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/fabianschuiki/btrfs-snapshot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cbb74c240b468e539d90d7257172e75b5b88ce2e1345d92819091cc4ff79cbb
[INFO] running `Command { std: "docker" "start" "-a" "6cbb74c240b468e539d90d7257172e75b5b88ce2e1345d92819091cc4ff79cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cbb74c240b468e539d90d7257172e75b5b88ce2e1345d92819091cc4ff79cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbb74c240b468e539d90d7257172e75b5b88ce2e1345d92819091cc4ff79cbb", kill_on_drop: false }`
[INFO] [stdout] 6cbb74c240b468e539d90d7257172e75b5b88ce2e1345d92819091cc4ff79cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c31e284cd6bfd732383c5bbc62721cd7d6fa22ebf94486f6b3632c419bd89273
[INFO] running `Command { std: "docker" "start" "-a" "c31e284cd6bfd732383c5bbc62721cd7d6fa22ebf94486f6b3632c419bd89273", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling humantime-serde v1.0.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling btrfs-snapshot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "c31e284cd6bfd732383c5bbc62721cd7d6fa22ebf94486f6b3632c419bd89273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31e284cd6bfd732383c5bbc62721cd7d6fa22ebf94486f6b3632c419bd89273", kill_on_drop: false }`
[INFO] [stdout] c31e284cd6bfd732383c5bbc62721cd7d6fa22ebf94486f6b3632c419bd89273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5652d0b49595a054840d7e37a3a799fb1d57b69eb767f5e9b56eae8bf225477
[INFO] running `Command { std: "docker" "start" "-a" "d5652d0b49595a054840d7e37a3a799fb1d57b69eb767f5e9b56eae8bf225477", kill_on_drop: false }`
[INFO] [stderr]    Compiling btrfs-snapshot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "d5652d0b49595a054840d7e37a3a799fb1d57b69eb767f5e9b56eae8bf225477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5652d0b49595a054840d7e37a3a799fb1d57b69eb767f5e9b56eae8bf225477", kill_on_drop: false }`
[INFO] [stdout] d5652d0b49595a054840d7e37a3a799fb1d57b69eb767f5e9b56eae8bf225477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db41342cbd3fa88ad4fde3d3c9ef032e7b32209b891e7ec7604c018a5729ba26
[INFO] running `Command { std: "docker" "start" "-a" "db41342cbd3fa88ad4fde3d3c9ef032e7b32209b891e7ec7604c018a5729ba26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btrfs_snapshot-0b2c4e7fe8772b20)
[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" "db41342cbd3fa88ad4fde3d3c9ef032e7b32209b891e7ec7604c018a5729ba26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db41342cbd3fa88ad4fde3d3c9ef032e7b32209b891e7ec7604c018a5729ba26", kill_on_drop: false }`
[INFO] [stdout] db41342cbd3fa88ad4fde3d3c9ef032e7b32209b891e7ec7604c018a5729ba26