[INFO] fetching crate mtfs 0.0.1...
[INFO] testing mtfs-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mtfs 0.0.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate mtfs 0.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtfs 0.0.1
[INFO] finished tweaking crates.io crate mtfs 0.0.1
[INFO] tweaked toml for crates.io crate mtfs 0.0.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate mtfs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e8bcd09731b3cada3ccd467d0f916aa55e5b1e7b4f2bde9288835d28a1812ea
[INFO] running `Command { std: "docker" "start" "-a" "3e8bcd09731b3cada3ccd467d0f916aa55e5b1e7b4f2bde9288835d28a1812ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8bcd09731b3cada3ccd467d0f916aa55e5b1e7b4f2bde9288835d28a1812ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8bcd09731b3cada3ccd467d0f916aa55e5b1e7b4f2bde9288835d28a1812ea", kill_on_drop: false }`
[INFO] [stdout] 3e8bcd09731b3cada3ccd467d0f916aa55e5b1e7b4f2bde9288835d28a1812ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 512094de8cce982b8b5b2943e1b14304ccade3557fab775a3c4bce4d19a51737
[INFO] running `Command { std: "docker" "start" "-a" "512094de8cce982b8b5b2943e1b14304ccade3557fab775a3c4bce4d19a51737", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "512094de8cce982b8b5b2943e1b14304ccade3557fab775a3c4bce4d19a51737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512094de8cce982b8b5b2943e1b14304ccade3557fab775a3c4bce4d19a51737", kill_on_drop: false }`
[INFO] [stdout] 512094de8cce982b8b5b2943e1b14304ccade3557fab775a3c4bce4d19a51737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978ac3bda053144791d452b406b0dac6e0b4f9dfd72b607b39db92f1f729b43e
[INFO] running `Command { std: "docker" "start" "-a" "978ac3bda053144791d452b406b0dac6e0b4f9dfd72b607b39db92f1f729b43e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "978ac3bda053144791d452b406b0dac6e0b4f9dfd72b607b39db92f1f729b43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978ac3bda053144791d452b406b0dac6e0b4f9dfd72b607b39db92f1f729b43e", kill_on_drop: false }`
[INFO] [stdout] 978ac3bda053144791d452b406b0dac6e0b4f9dfd72b607b39db92f1f729b43e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a75efbdf2a98d075fd7f952a56e9bda0a1925bdff5f8126d715227411887c6e6
[INFO] running `Command { std: "docker" "start" "-a" "a75efbdf2a98d075fd7f952a56e9bda0a1925bdff5f8126d715227411887c6e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mtfs-ef299168503ee039)
[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" "a75efbdf2a98d075fd7f952a56e9bda0a1925bdff5f8126d715227411887c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75efbdf2a98d075fd7f952a56e9bda0a1925bdff5f8126d715227411887c6e6", kill_on_drop: false }`
[INFO] [stdout] a75efbdf2a98d075fd7f952a56e9bda0a1925bdff5f8126d715227411887c6e6