[INFO] cloning repository https://github.com/MindFlavor/prometheus_folder_size_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MindFlavor/prometheus_folder_size_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fprometheus_folder_size_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fprometheus_folder_size_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46842fe7b7a5ee3d3bd8702f75948f5ff94adc3f
[INFO] testing MindFlavor/prometheus_folder_size_exporter against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fprometheus_folder_size_exporter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MindFlavor/prometheus_folder_size_exporter on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MindFlavor/prometheus_folder_size_exporter
[INFO] finished tweaking git repo https://github.com/MindFlavor/prometheus_folder_size_exporter
[INFO] tweaked toml for git repo https://github.com/MindFlavor/prometheus_folder_size_exporter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MindFlavor/prometheus_folder_size_exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066561a9dac557b1efc1d0bbd4bf1ba4aa519c32717529b9791f4c64013180ae
[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" "066561a9dac557b1efc1d0bbd4bf1ba4aa519c32717529b9791f4c64013180ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066561a9dac557b1efc1d0bbd4bf1ba4aa519c32717529b9791f4c64013180ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066561a9dac557b1efc1d0bbd4bf1ba4aa519c32717529b9791f4c64013180ae", kill_on_drop: false }`
[INFO] [stdout] 066561a9dac557b1efc1d0bbd4bf1ba4aa519c32717529b9791f4c64013180ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627542ec0b68a7e5e00f5a03bb2b784cdada95fd505b01a79d1b8f32872c4076
[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" "627542ec0b68a7e5e00f5a03bb2b784cdada95fd505b01a79d1b8f32872c4076", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.25
[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 nodrop v0.1.13
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[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 time v0.1.42
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-timer v0.2.9
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling regex v1.1.0
[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 h2 v0.1.16
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling hyper v0.12.23
[INFO] [stderr]    Compiling failure v0.1.5
[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 2m 02s
[INFO] running `Command { std: "docker" "inspect" "627542ec0b68a7e5e00f5a03bb2b784cdada95fd505b01a79d1b8f32872c4076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627542ec0b68a7e5e00f5a03bb2b784cdada95fd505b01a79d1b8f32872c4076", kill_on_drop: false }`
[INFO] [stdout] 627542ec0b68a7e5e00f5a03bb2b784cdada95fd505b01a79d1b8f32872c4076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--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] c71b116119d7a200e3e669e326e77c7e7b1c8692dae8d4057ff21bc2db13f2fd
[INFO] running `Command { std: "docker" "start" "-a" "c71b116119d7a200e3e669e326e77c7e7b1c8692dae8d4057ff21bc2db13f2fd", 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 4.28s
[INFO] running `Command { std: "docker" "inspect" "c71b116119d7a200e3e669e326e77c7e7b1c8692dae8d4057ff21bc2db13f2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71b116119d7a200e3e669e326e77c7e7b1c8692dae8d4057ff21bc2db13f2fd", kill_on_drop: false }`
[INFO] [stdout] c71b116119d7a200e3e669e326e77c7e7b1c8692dae8d4057ff21bc2db13f2fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] 7a85792cf75ce882395f24744192efcfc1eafa65ef4cd1269936b986ca5dd9e7
[INFO] running `Command { std: "docker" "start" "-a" "7a85792cf75ce882395f24744192efcfc1eafa65ef4cd1269936b986ca5dd9e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.53s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus_folder_size_exporter-ba191aff0c197891
[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" "7a85792cf75ce882395f24744192efcfc1eafa65ef4cd1269936b986ca5dd9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a85792cf75ce882395f24744192efcfc1eafa65ef4cd1269936b986ca5dd9e7", kill_on_drop: false }`
[INFO] [stdout] 7a85792cf75ce882395f24744192efcfc1eafa65ef4cd1269936b986ca5dd9e7