[INFO] fetching crate prometheus_folder_size_exporter 0.1.1...
[INFO] testing prometheus_folder_size_exporter-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate prometheus_folder_size_exporter 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prometheus_folder_size_exporter 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus_folder_size_exporter 0.1.1
[INFO] finished tweaking crates.io crate prometheus_folder_size_exporter 0.1.1
[INFO] tweaked toml for crates.io crate prometheus_folder_size_exporter 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate prometheus_folder_size_exporter 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36ada3b70b3eec53364d8dfea8530fae1021b105f904d8424fa29f9174393e1d
[INFO] running `Command { std: "docker" "start" "-a" "36ada3b70b3eec53364d8dfea8530fae1021b105f904d8424fa29f9174393e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ada3b70b3eec53364d8dfea8530fae1021b105f904d8424fa29f9174393e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ada3b70b3eec53364d8dfea8530fae1021b105f904d8424fa29f9174393e1d", kill_on_drop: false }`
[INFO] [stdout] 36ada3b70b3eec53364d8dfea8530fae1021b105f904d8424fa29f9174393e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2548da4e4a9df2d5c7b6c17705cdcfd70a0bcdfbb52cb21a3572cc945748477a
[INFO] running `Command { std: "docker" "start" "-a" "2548da4e4a9df2d5c7b6c17705cdcfd70a0bcdfbb52cb21a3572cc945748477a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.2.9
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.23
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `UnsupportedPath`
[INFO] [stdout]  --> src/exporter_error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     UnsupportedPath { path: String },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsupportedMethod`
[INFO] [stdout]  --> src/exporter_error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnsupportedMethod { verb: String },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `folders`
[INFO] [stdout]   --> src/folder_scanner.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn folders(&self) -> &[FolderToScan] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "2548da4e4a9df2d5c7b6c17705cdcfd70a0bcdfbb52cb21a3572cc945748477a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2548da4e4a9df2d5c7b6c17705cdcfd70a0bcdfbb52cb21a3572cc945748477a", kill_on_drop: false }`
[INFO] [stdout] 2548da4e4a9df2d5c7b6c17705cdcfd70a0bcdfbb52cb21a3572cc945748477a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e479b85eecd8b68fad00e7f08c9b4174a1326de9b68f1ab08d99311e340780a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e479b85eecd8b68fad00e7f08c9b4174a1326de9b68f1ab08d99311e340780a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `UnsupportedPath`
[INFO] [stdout]  --> src/exporter_error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     UnsupportedPath { path: String },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsupportedMethod`
[INFO] [stdout]  --> src/exporter_error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnsupportedMethod { verb: String },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "e479b85eecd8b68fad00e7f08c9b4174a1326de9b68f1ab08d99311e340780a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e479b85eecd8b68fad00e7f08c9b4174a1326de9b68f1ab08d99311e340780a3", kill_on_drop: false }`
[INFO] [stdout] e479b85eecd8b68fad00e7f08c9b4174a1326de9b68f1ab08d99311e340780a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61ff5b21e4a32c77307e654ddf1c24c55ce9f76ec5cb1faeb2e6a876feb21c00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61ff5b21e4a32c77307e654ddf1c24c55ce9f76ec5cb1faeb2e6a876feb21c00", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `UnsupportedPath`
[INFO] [stderr]  --> src/exporter_error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     UnsupportedPath { path: String },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedMethod`
[INFO] [stderr]  --> src/exporter_error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     UnsupportedMethod { verb: String },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus_folder_size_exporter-f0ac780f1bc9dbb8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test folder_scanner::tests::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61ff5b21e4a32c77307e654ddf1c24c55ce9f76ec5cb1faeb2e6a876feb21c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ff5b21e4a32c77307e654ddf1c24c55ce9f76ec5cb1faeb2e6a876feb21c00", kill_on_drop: false }`
[INFO] [stdout] 61ff5b21e4a32c77307e654ddf1c24c55ce9f76ec5cb1faeb2e6a876feb21c00
