Dec 19 06:06:55.749 INFO checking vi/netmeasure2 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:06:55.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vi/netmeasure2:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:06:56.188 INFO [stdout] c0345f3163760ab557521117ce905cd99a0fbf679c6166dbb29c9ed04aa5239d
Dec 19 06:06:56.190 INFO running `"docker" "start" "-a" "c0345f3163760ab557521117ce905cd99a0fbf679c6166dbb29c9ed04aa5239d"`
Dec 19 06:06:59.237 INFO [stderr]    Compiling proc-macro2 v0.4.17
Dec 19 06:06:59.237 INFO [stderr]    Compiling serde v1.0.79
Dec 19 06:06:59.281 INFO [stderr]     Checking enum_derive v0.1.7
Dec 19 06:06:59.281 INFO [stderr]     Checking half v1.2.0
Dec 19 06:06:59.281 INFO [stderr]     Checking macro-attr v0.2.0
Dec 19 06:06:59.281 INFO [stderr]     Checking static_assertions v0.2.5
Dec 19 06:06:59.288 INFO [stderr]     Checking strum v0.9.0
Dec 19 06:06:59.289 INFO [stderr]     Checking counted-array v0.1.2
Dec 19 06:07:00.009 INFO [stderr]     Checking spin_sleep v0.3.7
Dec 19 06:07:00.054 INFO [stderr]     Checking itertools v0.5.10
Dec 19 06:07:00.097 INFO [stderr]    Compiling rand_derive v0.3.1
Dec 19 06:07:00.550 INFO [stderr]     Checking enum-unitary v0.3.4
Dec 19 06:07:08.732 INFO [stderr]    Compiling quote v0.6.8
Dec 19 06:07:10.113 INFO [stderr]    Compiling syn v0.14.9
Dec 19 06:07:10.113 INFO [stderr]    Compiling syn v0.15.4
Dec 19 06:07:30.282 INFO [stderr]    Compiling mini-internal v0.1.1
Dec 19 06:07:30.289 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 19 06:07:44.583 INFO [stderr]     Checking miniserde v0.1.1
Dec 19 06:07:44.801 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 06:07:44.801 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 06:07:44.801 INFO [stderr]    Compiling strum_macros v0.9.1
Dec 19 06:07:45.639 INFO [stderr]     Checking serde_json v1.0.28
Dec 19 06:07:45.640 INFO [stderr]     Checking bincode v1.0.1
Dec 19 06:07:45.640 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 19 06:07:49.274 INFO [stderr]     Checking miniserde_tools v0.1.0 (/opt/crater/workdir/miniserde_tools)
Dec 19 06:08:00.161 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 06:08:00.637 INFO [stderr]     Checking structopt v0.2.10
Dec 19 06:08:03.966 INFO [stderr]     Checking failure v0.1.2
Dec 19 06:08:14.024 INFO [stderr]     Checking netmeasure2 v0.1.0 (/opt/crater/workdir)
Dec 19 06:08:17.672 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 19 06:08:17.672 INFO [stderr]    --> src/probe.rs:354:9
Dec 19 06:08:17.672 INFO [stderr]     |
Dec 19 06:08:17.672 INFO [stderr] 354 |         writeln!(out);
Dec 19 06:08:17.672 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 19 06:08:17.672 INFO [stderr]     |
Dec 19 06:08:17.673 INFO [stderr] note: lint level defined here
Dec 19 06:08:17.673 INFO [stderr]    --> src/main.rs:9:9
Dec 19 06:08:17.673 INFO [stderr]     |
Dec 19 06:08:17.673 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 19 06:08:17.673 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 06:08:17.673 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:08:17.673 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:08:17.673 INFO [stderr] 
Dec 19 06:08:17.674 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 19 06:08:17.674 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 19 06:08:17.674 INFO [stderr]     |
Dec 19 06:08:17.674 INFO [stderr] 115 |             writeln!(out);
Dec 19 06:08:17.674 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 19 06:08:17.674 INFO [stderr]     |
Dec 19 06:08:17.675 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:08:17.675 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:08:17.675 INFO [stderr] 
Dec 19 06:08:17.708 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 06:08:17.708 INFO [stderr] 
Dec 19 06:08:17.734 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 19 06:08:17.734 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 06:08:17.863 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 19 06:08:17.863 INFO [stderr]    --> src/probe.rs:354:9
Dec 19 06:08:17.863 INFO [stderr]     |
Dec 19 06:08:17.863 INFO [stderr] 354 |         writeln!(out);
Dec 19 06:08:17.863 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 19 06:08:17.863 INFO [stderr]     |
Dec 19 06:08:17.863 INFO [stderr] note: lint level defined here
Dec 19 06:08:17.863 INFO [stderr]    --> src/main.rs:9:9
Dec 19 06:08:17.863 INFO [stderr]     |
Dec 19 06:08:17.863 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 19 06:08:17.863 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 06:08:17.863 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:08:17.863 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:08:17.863 INFO [stderr] 
Dec 19 06:08:17.864 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 19 06:08:17.864 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 19 06:08:17.864 INFO [stderr]     |
Dec 19 06:08:17.864 INFO [stderr] 115 |             writeln!(out);
Dec 19 06:08:17.864 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 19 06:08:17.865 INFO [stderr]     |
Dec 19 06:08:17.865 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:08:17.865 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:08:17.865 INFO [stderr] 
Dec 19 06:08:17.883 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 06:08:17.883 INFO [stderr] 
Dec 19 06:08:17.903 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 19 06:08:17.903 INFO [stderr] 
Dec 19 06:08:17.903 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 06:08:19.220 INFO running `"docker" "inspect" "c0345f3163760ab557521117ce905cd99a0fbf679c6166dbb29c9ed04aa5239d"`
Dec 19 06:08:19.558 INFO running `"docker" "rm" "-f" "c0345f3163760ab557521117ce905cd99a0fbf679c6166dbb29c9ed04aa5239d"`
Dec 19 06:08:19.856 INFO [stdout] c0345f3163760ab557521117ce905cd99a0fbf679c6166dbb29c9ed04aa5239d