[INFO] fetching crate prometheus_folder_size_exporter 0.5.1...
[INFO] testing prometheus_folder_size_exporter-0.5.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate prometheus_folder_size_exporter 0.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prometheus_folder_size_exporter 0.5.1
[INFO] finished tweaking crates.io crate prometheus_folder_size_exporter 0.5.1
[INFO] tweaked toml for crates.io crate prometheus_folder_size_exporter 0.5.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus_folder_size_exporter 0.5.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus_folder_size_exporter 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded env_logger v0.9.3
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded hyper v0.14.24
[INFO] [stderr]   Downloaded prometheus_exporter_base v1.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded rustls v0.20.8
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbcec6e9ab328a63809010d2949a6f742fb263985c7c64113d7fe380daca90a8
[INFO] running `Command { std: "docker" "start" "-a" "dbcec6e9ab328a63809010d2949a6f742fb263985c7c64113d7fe380daca90a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbcec6e9ab328a63809010d2949a6f742fb263985c7c64113d7fe380daca90a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcec6e9ab328a63809010d2949a6f742fb263985c7c64113d7fe380daca90a8", kill_on_drop: false }`
[INFO] [stdout] dbcec6e9ab328a63809010d2949a6f742fb263985c7c64113d7fe380daca90a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd8f9050fe3af6b30cc5d197ce291613b3fe49fd8accc8090225e6471aa7a4cc
[INFO] running `Command { std: "docker" "start" "-a" "bd8f9050fe3af6b30cc5d197ce291613b3fe49fd8accc8090225e6471aa7a4cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling hyper v0.14.24
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling prometheus_exporter_base v1.4.0
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `ExporterError` is never used
[INFO] [stdout]  --> src/exporter_error.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum ExporterError {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RecurseType` is never used
[INFO] [stdout]  --> src/folder_scanner.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum RecurseType {
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RenderToPrometheus` is never used
[INFO] [stdout]  --> src/render_to_prometheus.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait RenderToPrometheus {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.96s
[INFO] running `Command { std: "docker" "inspect" "bd8f9050fe3af6b30cc5d197ce291613b3fe49fd8accc8090225e6471aa7a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8f9050fe3af6b30cc5d197ce291613b3fe49fd8accc8090225e6471aa7a4cc", kill_on_drop: false }`
[INFO] [stdout] bd8f9050fe3af6b30cc5d197ce291613b3fe49fd8accc8090225e6471aa7a4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e353b292106fef43e52d5b768476e21159a3b74c4770c4e7bc364c24f1fb5c1b
[INFO] running `Command { std: "docker" "start" "-a" "e353b292106fef43e52d5b768476e21159a3b74c4770c4e7bc364c24f1fb5c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `ExporterError` is never used
[INFO] [stdout]  --> src/exporter_error.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum ExporterError {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RecurseType` is never used
[INFO] [stdout]  --> src/folder_scanner.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum RecurseType {
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RenderToPrometheus` is never used
[INFO] [stdout]  --> src/render_to_prometheus.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait RenderToPrometheus {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e353b292106fef43e52d5b768476e21159a3b74c4770c4e7bc364c24f1fb5c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e353b292106fef43e52d5b768476e21159a3b74c4770c4e7bc364c24f1fb5c1b", kill_on_drop: false }`
[INFO] [stdout] e353b292106fef43e52d5b768476e21159a3b74c4770c4e7bc364c24f1fb5c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1881f3050dbe3e23756876f30787776914ced9fb6ecc164fea56eb39bedf954f
[INFO] running `Command { std: "docker" "start" "-a" "1881f3050dbe3e23756876f30787776914ced9fb6ecc164fea56eb39bedf954f", kill_on_drop: false }`
[INFO] [stderr] warning: enum `ExporterError` is never used
[INFO] [stderr]  --> src/exporter_error.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) enum ExporterError {
[INFO] [stderr]   |                 ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `RecurseType` is never used
[INFO] [stderr]  --> src/folder_scanner.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) enum RecurseType {
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `RenderToPrometheus` is never used
[INFO] [stderr]  --> src/render_to_prometheus.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait RenderToPrometheus {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prometheus_folder_size_exporter` (bin "prometheus_folder_size_exporter" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prometheus_folder_size_exporter-3f961f8447d5a42e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1881f3050dbe3e23756876f30787776914ced9fb6ecc164fea56eb39bedf954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1881f3050dbe3e23756876f30787776914ced9fb6ecc164fea56eb39bedf954f", kill_on_drop: false }`
[INFO] [stdout] 1881f3050dbe3e23756876f30787776914ced9fb6ecc164fea56eb39bedf954f