[INFO] fetching crate cargo-ramdisk 0.1.1...
[INFO] testing cargo-ramdisk-0.1.1 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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 nanoid v0.4.0
[INFO] [stderr]   Downloaded sys-mount v1.3.0
[INFO] [stderr]   Downloaded loopdev v0.3.0
[INFO] [stderr]   Downloaded carlog v0.1.0
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 564775664cf45444aeae92717253905655f26e329578f67e2667611e8c3835b8
[INFO] running `Command { std: "docker" "start" "-a" "564775664cf45444aeae92717253905655f26e329578f67e2667611e8c3835b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "564775664cf45444aeae92717253905655f26e329578f67e2667611e8c3835b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564775664cf45444aeae92717253905655f26e329578f67e2667611e8c3835b8", kill_on_drop: false }`
[INFO] [stdout] 564775664cf45444aeae92717253905655f26e329578f67e2667611e8c3835b8
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64072b39529b84bc5bceaa4997840df382443e163be6db38cd33c6141eaae66
[INFO] running `Command { std: "docker" "start" "-a" "b64072b39529b84bc5bceaa4997840df382443e163be6db38cd33c6141eaae66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 syn v1.0.82
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[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 rand_chacha v0.3.1
[INFO] [stderr]    Compiling carlog v0.1.0
[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 24.60s
[INFO] running `Command { std: "docker" "inspect" "b64072b39529b84bc5bceaa4997840df382443e163be6db38cd33c6141eaae66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64072b39529b84bc5bceaa4997840df382443e163be6db38cd33c6141eaae66", kill_on_drop: false }`
[INFO] [stdout] b64072b39529b84bc5bceaa4997840df382443e163be6db38cd33c6141eaae66
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b8790fbac8ea1fe920c66e8e58d921b744d28174035c4b4dcc95fb7f75cc66
[INFO] running `Command { std: "docker" "start" "-a" "71b8790fbac8ea1fe920c66e8e58d921b744d28174035c4b4dcc95fb7f75cc66", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-ramdisk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "71b8790fbac8ea1fe920c66e8e58d921b744d28174035c4b4dcc95fb7f75cc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b8790fbac8ea1fe920c66e8e58d921b744d28174035c4b4dcc95fb7f75cc66", kill_on_drop: false }`
[INFO] [stdout] 71b8790fbac8ea1fe920c66e8e58d921b744d28174035c4b4dcc95fb7f75cc66
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb9ea3d45f86b2b9507fb4ab3f40681d54c0fd9c53fc82dc3cd715f39d6dc2cf
[INFO] running `Command { std: "docker" "start" "-a" "cb9ea3d45f86b2b9507fb4ab3f40681d54c0fd9c53fc82dc3cd715f39d6dc2cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_ramdisk-6355511ece063864)
[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 "ejmDEfGR8fLHg5-1pBBl0"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targetejmDEfGR8fLHg5-1pBBl0"
[INFO] [stdout]      Created "/dev/shm/targetejmDEfGR8fLHg5-1pBBl0"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targetejmDEfGR8fLHg5-1pBBl0" -> "/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/targetejmDEfGR8fLHg5-1pBBl0" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targetejmDEfGR8fLHg5-1pBBl0"
[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 "TaCIGe13iUeh3eLlmFOv5"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targetTaCIGe13iUeh3eLlmFOv5"
[INFO] [stdout]      Created "/dev/shm/targetTaCIGe13iUeh3eLlmFOv5"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targetTaCIGe13iUeh3eLlmFOv5" -> "/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/targetTaCIGe13iUeh3eLlmFOv5" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targetTaCIGe13iUeh3eLlmFOv5"
[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" "cb9ea3d45f86b2b9507fb4ab3f40681d54c0fd9c53fc82dc3cd715f39d6dc2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9ea3d45f86b2b9507fb4ab3f40681d54c0fd9c53fc82dc3cd715f39d6dc2cf", kill_on_drop: false }`
[INFO] [stdout] cb9ea3d45f86b2b9507fb4ab3f40681d54c0fd9c53fc82dc3cd715f39d6dc2cf