Dec 17 12:34:04.881 INFO checking vi/netmeasure2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:34:04.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:34:05.350 INFO [stdout] f7027aa0552d74c9c9014feb6dcbbea16e8ad658c184dd8582a2911c8a6c274b
Dec 17 12:34:05.352 INFO running `"docker" "start" "-a" "f7027aa0552d74c9c9014feb6dcbbea16e8ad658c184dd8582a2911c8a6c274b"`
Dec 17 12:34:08.200 INFO [stderr]    Compiling proc-macro2 v0.4.17
Dec 17 12:34:08.200 INFO [stderr]    Compiling serde v1.0.79
Dec 17 12:34:08.201 INFO [stderr]    Compiling num-traits v0.2.5
Dec 17 12:34:08.201 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 17 12:34:08.201 INFO [stderr]     Checking half v1.2.0
Dec 17 12:34:08.201 INFO [stderr]     Checking macro-attr v0.2.0
Dec 17 12:34:08.202 INFO [stderr]     Checking enum_derive v0.1.7
Dec 17 12:34:08.202 INFO [stderr]     Checking counted-array v0.1.2
Dec 17 12:34:08.836 INFO [stderr]     Checking static_assertions v0.2.5
Dec 17 12:34:09.062 INFO [stderr]     Checking strum v0.9.0
Dec 17 12:34:09.373 INFO [stderr]     Checking spin_sleep v0.3.7
Dec 17 12:34:09.566 INFO [stderr]     Checking itertools v0.5.10
Dec 17 12:34:12.108 INFO [stderr]    Compiling rand_derive v0.3.1
Dec 17 12:34:12.109 INFO [stderr]     Checking backtrace v0.3.9
Dec 17 12:34:20.850 INFO [stderr]    Compiling quote v0.6.8
Dec 17 12:34:22.398 INFO [stderr]     Checking enum-unitary v0.3.4
Dec 17 12:34:22.666 INFO [stderr]    Compiling syn v0.14.9
Dec 17 12:34:22.666 INFO [stderr]    Compiling syn v0.15.4
Dec 17 12:34:43.552 INFO [stderr]    Compiling mini-internal v0.1.1
Dec 17 12:34:43.552 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 17 12:34:57.310 INFO [stderr]     Checking miniserde v0.1.1
Dec 17 12:34:57.380 INFO [stderr]    Compiling synstructure v0.9.0
Dec 17 12:34:57.380 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 12:34:57.380 INFO [stderr]    Compiling strum_macros v0.9.1
Dec 17 12:34:57.390 INFO [stderr]     Checking serde_json v1.0.28
Dec 17 12:34:57.390 INFO [stderr]     Checking bincode v1.0.1
Dec 17 12:34:57.390 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 17 12:35:01.149 INFO [stderr]     Checking miniserde_tools v0.1.0 (/opt/crater/workdir/miniserde_tools)
Dec 17 12:35:12.619 INFO [stderr]     Checking structopt v0.2.10
Dec 17 12:35:15.508 INFO [stderr]     Checking failure v0.1.2
Dec 17 12:35:23.988 INFO [stderr]     Checking netmeasure2 v0.1.0 (/opt/crater/workdir)
Dec 17 12:35:27.287 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 17 12:35:27.287 INFO [stderr]    --> src/probe.rs:354:9
Dec 17 12:35:27.287 INFO [stderr]     |
Dec 17 12:35:27.287 INFO [stderr] 354 |         writeln!(out);
Dec 17 12:35:27.287 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 17 12:35:27.287 INFO [stderr]     |
Dec 17 12:35:27.287 INFO [stderr] note: lint level defined here
Dec 17 12:35:27.287 INFO [stderr]    --> src/main.rs:9:9
Dec 17 12:35:27.287 INFO [stderr]     |
Dec 17 12:35:27.287 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 17 12:35:27.287 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 17 12:35:27.287 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:35:27.287 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 17 12:35:27.287 INFO [stderr] 
Dec 17 12:35:27.288 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 17 12:35:27.288 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 17 12:35:27.288 INFO [stderr]     |
Dec 17 12:35:27.288 INFO [stderr] 115 |             writeln!(out);
Dec 17 12:35:27.288 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 17 12:35:27.288 INFO [stderr]     |
Dec 17 12:35:27.289 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:35:27.289 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 17 12:35:27.289 INFO [stderr] 
Dec 17 12:35:27.310 INFO [stderr] error: aborting due to 2 previous errors
Dec 17 12:35:27.310 INFO [stderr] 
Dec 17 12:35:27.364 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 17 12:35:27.364 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 12:35:27.772 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 17 12:35:27.772 INFO [stderr]    --> src/probe.rs:354:9
Dec 17 12:35:27.772 INFO [stderr]     |
Dec 17 12:35:27.772 INFO [stderr] 354 |         writeln!(out);
Dec 17 12:35:27.773 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 17 12:35:27.773 INFO [stderr]     |
Dec 17 12:35:27.773 INFO [stderr] note: lint level defined here
Dec 17 12:35:27.773 INFO [stderr]    --> src/main.rs:9:9
Dec 17 12:35:27.773 INFO [stderr]     |
Dec 17 12:35:27.773 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 17 12:35:27.773 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 17 12:35:27.773 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:35:27.773 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 17 12:35:27.773 INFO [stderr] 
Dec 17 12:35:27.774 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 17 12:35:27.774 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 17 12:35:27.774 INFO [stderr]     |
Dec 17 12:35:27.774 INFO [stderr] 115 |             writeln!(out);
Dec 17 12:35:27.774 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 17 12:35:27.774 INFO [stderr]     |
Dec 17 12:35:27.774 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:35:27.774 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 17 12:35:27.774 INFO [stderr] 
Dec 17 12:35:27.795 INFO [stderr] error: aborting due to 2 previous errors
Dec 17 12:35:27.795 INFO [stderr] 
Dec 17 12:35:27.815 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 17 12:35:27.816 INFO [stderr] 
Dec 17 12:35:27.816 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 12:35:29.238 INFO running `"docker" "inspect" "f7027aa0552d74c9c9014feb6dcbbea16e8ad658c184dd8582a2911c8a6c274b"`
Dec 17 12:35:29.594 INFO running `"docker" "rm" "-f" "f7027aa0552d74c9c9014feb6dcbbea16e8ad658c184dd8582a2911c8a6c274b"`
Dec 17 12:35:29.920 INFO [stdout] f7027aa0552d74c9c9014feb6dcbbea16e8ad658c184dd8582a2911c8a6c274b