[INFO] fetching crate prometheus_folder_size_exporter 0.5.0...
[INFO] testing prometheus_folder_size_exporter-0.5.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate prometheus_folder_size_exporter 0.5.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate prometheus_folder_size_exporter 0.5.0 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 prometheus_folder_size_exporter 0.5.0
[INFO] finished tweaking crates.io crate prometheus_folder_size_exporter 0.5.0
[INFO] tweaked toml for crates.io crate prometheus_folder_size_exporter 0.5.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate prometheus_folder_size_exporter 0.5.0 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 tokio v1.4.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.72
[INFO] [stderr]   Downloaded js-sys v0.3.49
[INFO] [stderr]   Downloaded security-framework-sys v2.1.1
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded prometheus_exporter_base v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded security-framework v2.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] b95417ac92c84174cd67e4df92f9d67592687afdd1f9c32e4cbe3d6086371158
[INFO] running `Command { std: "docker" "start" "-a" "b95417ac92c84174cd67e4df92f9d67592687afdd1f9c32e4cbe3d6086371158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95417ac92c84174cd67e4df92f9d67592687afdd1f9c32e4cbe3d6086371158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95417ac92c84174cd67e4df92f9d67592687afdd1f9c32e4cbe3d6086371158", kill_on_drop: false }`
[INFO] [stdout] b95417ac92c84174cd67e4df92f9d67592687afdd1f9c32e4cbe3d6086371158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 8760ce2413fbacf291203412d15b52f227fe1d167e42764bcead433323c845de
[INFO] running `Command { std: "docker" "start" "-a" "8760ce2413fbacf291203412d15b52f227fe1d167e42764bcead433323c845de", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling prometheus_exporter_base v1.2.0
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `folders_file`
[INFO] [stdout]  --> src/options.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub folders_file: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/options.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "8760ce2413fbacf291203412d15b52f227fe1d167e42764bcead433323c845de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8760ce2413fbacf291203412d15b52f227fe1d167e42764bcead433323c845de", kill_on_drop: false }`
[INFO] [stdout] 8760ce2413fbacf291203412d15b52f227fe1d167e42764bcead433323c845de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] a3dd9affd92867a5b57252553e0017bc82ed58d779eb95907f1dea5a63e4c78d
[INFO] running `Command { std: "docker" "start" "-a" "a3dd9affd92867a5b57252553e0017bc82ed58d779eb95907f1dea5a63e4c78d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prometheus_folder_size_exporter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `folders_file`
[INFO] [stdout]  --> src/options.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub folders_file: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/options.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "a3dd9affd92867a5b57252553e0017bc82ed58d779eb95907f1dea5a63e4c78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dd9affd92867a5b57252553e0017bc82ed58d779eb95907f1dea5a63e4c78d", kill_on_drop: false }`
[INFO] [stdout] a3dd9affd92867a5b57252553e0017bc82ed58d779eb95907f1dea5a63e4c78d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] a532011d57280e73ed10eee6e1063ca884f3fa40ad2043a95d14a2735b88d3f5
[INFO] running `Command { std: "docker" "start" "-a" "a532011d57280e73ed10eee6e1063ca884f3fa40ad2043a95d14a2735b88d3f5", 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] warning: field is never read: `folders_file`
[INFO] [stderr]  --> src/options.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub folders_file: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/options.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `prometheus_folder_size_exporter` (bin "prometheus_folder_size_exporter" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_folder_size_exporter-6df252f89bc69d22)
[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" "a532011d57280e73ed10eee6e1063ca884f3fa40ad2043a95d14a2735b88d3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a532011d57280e73ed10eee6e1063ca884f3fa40ad2043a95d14a2735b88d3f5", kill_on_drop: false }`
[INFO] [stdout] a532011d57280e73ed10eee6e1063ca884f3fa40ad2043a95d14a2735b88d3f5