[INFO] crate prometheus_exporter_base 0.4.0 is already in cache
[INFO] extracting crate prometheus_exporter_base 0.4.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/prometheus_exporter_base/0.4.0
[INFO] extracting crate prometheus_exporter_base 0.4.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/prometheus_exporter_base/0.4.0
[INFO] validating manifest of prometheus_exporter_base-0.4.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prometheus_exporter_base-0.4.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing prometheus_exporter_base-0.4.0
[INFO] finished frobbing prometheus_exporter_base-0.4.0
[INFO] frobbed toml for prometheus_exporter_base-0.4.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/prometheus_exporter_base/0.4.0/Cargo.toml
[INFO] started frobbing prometheus_exporter_base-0.4.0
[INFO] finished frobbing prometheus_exporter_base-0.4.0
[INFO] frobbed toml for prometheus_exporter_base-0.4.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/prometheus_exporter_base/0.4.0/Cargo.toml
[INFO] crate prometheus_exporter_base-0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking prometheus_exporter_base-0.4.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/prometheus_exporter_base/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cd30d49525bf38c04c2df8769d6d1dbc15d822193dce0093dd2a1e987a6af6c
[INFO] running `"docker" "start" "-a" "1cd30d49525bf38c04c2df8769d6d1dbc15d822193dce0093dd2a1e987a6af6c"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/folder_size.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/folder_size.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.59s
[INFO] running `"docker" "inspect" "1cd30d49525bf38c04c2df8769d6d1dbc15d822193dce0093dd2a1e987a6af6c"`
[INFO] running `"docker" "rm" "-f" "1cd30d49525bf38c04c2df8769d6d1dbc15d822193dce0093dd2a1e987a6af6c"`
[INFO] [stdout] 1cd30d49525bf38c04c2df8769d6d1dbc15d822193dce0093dd2a1e987a6af6c