[INFO] fetching crate cargo-ramdisk 0.1.1...
[INFO] testing cargo-ramdisk-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-ramdisk 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-ramdisk 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ramdisk 0.1.1
[INFO] finished tweaking crates.io crate cargo-ramdisk 0.1.1
[INFO] tweaked toml for crates.io crate cargo-ramdisk 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-ramdisk 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0bf32b0eb4c9ada36a48281ef3679694872c10e80df802278ca30922fb04f21
[INFO] running `Command { std: "docker" "start" "-a" "f0bf32b0eb4c9ada36a48281ef3679694872c10e80df802278ca30922fb04f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0bf32b0eb4c9ada36a48281ef3679694872c10e80df802278ca30922fb04f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bf32b0eb4c9ada36a48281ef3679694872c10e80df802278ca30922fb04f21", kill_on_drop: false }`
[INFO] [stdout] f0bf32b0eb4c9ada36a48281ef3679694872c10e80df802278ca30922fb04f21
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 462345b4e0df27dc2809f17950c3817589a1776bb5f1dbabf2098206de634896
[INFO] running `Command { std: "docker" "start" "-a" "462345b4e0df27dc2809f17950c3817589a1776bb5f1dbabf2098206de634896", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling carlog v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling loopdev v0.3.0
[INFO] [stderr]    Compiling sys-mount v1.3.0
[INFO] [stderr]    Compiling cargo-ramdisk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "462345b4e0df27dc2809f17950c3817589a1776bb5f1dbabf2098206de634896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462345b4e0df27dc2809f17950c3817589a1776bb5f1dbabf2098206de634896", kill_on_drop: false }`
[INFO] [stdout] 462345b4e0df27dc2809f17950c3817589a1776bb5f1dbabf2098206de634896
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd10c3eaa2e68a46ddc084be1fd6d8e733b27cb41b50fdd9f979f8d651feb244
[INFO] running `Command { std: "docker" "start" "-a" "dd10c3eaa2e68a46ddc084be1fd6d8e733b27cb41b50fdd9f979f8d651feb244", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-ramdisk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_ramdisk-cd81df65232f52bb)
[INFO] running `Command { std: "docker" "inspect" "dd10c3eaa2e68a46ddc084be1fd6d8e733b27cb41b50fdd9f979f8d651feb244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd10c3eaa2e68a46ddc084be1fd6d8e733b27cb41b50fdd9f979f8d651feb244", kill_on_drop: false }`
[INFO] [stdout] dd10c3eaa2e68a46ddc084be1fd6d8e733b27cb41b50fdd9f979f8d651feb244
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6926448c0c8f83a6b09ec1110e5e32c391c3138f8cf3fcb23777334284d26e49
[INFO] running `Command { std: "docker" "start" "-a" "6926448c0c8f83a6b09ec1110e5e32c391c3138f8cf3fcb23777334284d26e49", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_ramdisk-cd81df65232f52bb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout]     Mounting Trying to mount "/tmp/target"
[INFO] [stdout] Preprocessed 📁 The target path is "/tmp/target"
[INFO] [stdout] Preprocessed 💳 Generated unique project id "eKwGuzPnde2zvxELqqWiW"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targeteKwGuzPnde2zvxELqqWiW"
[INFO] [stdout]      Created "/dev/shm/targeteKwGuzPnde2zvxELqqWiW"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targeteKwGuzPnde2zvxELqqWiW" -> "/tmp/target"
[INFO] [stdout]      Success ✅ Successfully created tmpfs ramdisk at "/tmp/target"
[INFO] [stdout]   Remounting Trying to remount "/tmp/target"
[INFO] [stdout]   Unmounting Trying to unmount "/tmp/target"
[INFO] [stdout]     Unlinked "/dev/shm/targeteKwGuzPnde2zvxELqqWiW" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targeteKwGuzPnde2zvxELqqWiW"
[INFO] [stdout]      Success ✅ Successfully unmounted ramdisk at "/tmp/target"
[INFO] [stdout]    Unmounted "/tmp/target"
[INFO] [stdout]     Mounting Trying to mount "/tmp/target"
[INFO] [stdout] Preprocessed 📁 The target path is "/tmp/target"
[INFO] [stdout] Preprocessed 💳 Generated unique project id "eA5vWLyc3-YZ1Ej37JSQG"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targeteA5vWLyc3-YZ1Ej37JSQG"
[INFO] [stdout]      Created "/dev/shm/targeteA5vWLyc3-YZ1Ej37JSQG"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targeteA5vWLyc3-YZ1Ej37JSQG" -> "/tmp/target"
[INFO] [stdout]      Success ✅ Successfully created tmpfs ramdisk at "/tmp/target"
[INFO] [stdout]      Mounted "/tmp/target"
[INFO] [stdout]   Unmounting Trying to unmount "/tmp/target"
[INFO] [stdout]     Unlinked "/dev/shm/targeteA5vWLyc3-YZ1Ej37JSQG" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targeteA5vWLyc3-YZ1Ej37JSQG"
[INFO] [stdout]      Success ✅ Successfully unmounted ramdisk at "/tmp/target"
[INFO] [stdout] test test::test_tmpfs ... 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] running `Command { std: "docker" "inspect" "6926448c0c8f83a6b09ec1110e5e32c391c3138f8cf3fcb23777334284d26e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6926448c0c8f83a6b09ec1110e5e32c391c3138f8cf3fcb23777334284d26e49", kill_on_drop: false }`
[INFO] [stdout] 6926448c0c8f83a6b09ec1110e5e32c391c3138f8cf3fcb23777334284d26e49