Nov 16 09:20:19.966 INFO testing vi/netmeasure2 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 09:20:19.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 09:20:20.607 INFO [stdout] 9dfc3ea261c26fde65799bde3fe9819dde7464800d799a7c0af5e85848206727
Nov 16 09:20:20.609 INFO running `"docker" "start" "-a" "9dfc3ea261c26fde65799bde3fe9819dde7464800d799a7c0af5e85848206727"`
Nov 16 09:20:22.682 INFO [stderr] usermod: no changes
Nov 16 09:20:22.942 INFO [stderr]    Compiling proc-macro2 v0.4.17
Nov 16 09:20:22.943 INFO [stderr]    Compiling serde v1.0.79
Nov 16 09:20:22.944 INFO [stderr]    Compiling enum_derive v0.1.7
Nov 16 09:20:22.944 INFO [stderr]    Compiling macro-attr v0.2.0
Nov 16 09:20:22.944 INFO [stderr]    Compiling half v1.2.0
Nov 16 09:20:22.947 INFO [stderr]    Compiling counted-array v0.1.2
Nov 16 09:20:22.948 INFO [stderr]    Compiling strum v0.9.0
Nov 16 09:20:22.948 INFO [stderr]    Compiling static_assertions v0.2.5
Nov 16 09:20:23.591 INFO [stderr]    Compiling spin_sleep v0.3.7
Nov 16 09:20:25.288 INFO [stderr]    Compiling backtrace-sys v0.1.24
Nov 16 09:20:25.292 INFO [stderr]    Compiling enum-unitary v0.3.4
Nov 16 09:20:25.295 INFO [stderr]    Compiling rand_derive v0.3.1
Nov 16 09:20:31.147 INFO [stderr]    Compiling backtrace v0.3.9
Nov 16 09:20:36.055 INFO [stderr]    Compiling quote v0.6.8
Nov 16 09:20:38.455 INFO [stderr]    Compiling syn v0.14.9
Nov 16 09:20:38.456 INFO [stderr]    Compiling syn v0.15.4
Nov 16 09:20:57.359 INFO [stderr]    Compiling serde_cbor v0.9.0
Nov 16 09:20:57.411 INFO [stderr]    Compiling bincode v1.0.1
Nov 16 09:20:57.855 INFO [stderr]    Compiling serde_json v1.0.28
Nov 16 09:21:00.791 INFO [stderr]    Compiling serde_derive v1.0.79
Nov 16 09:21:10.404 INFO [stderr]    Compiling synstructure v0.9.0
Nov 16 09:21:10.420 INFO [stderr]    Compiling structopt-derive v0.2.10
Nov 16 09:21:10.422 INFO [stderr]    Compiling strum_macros v0.9.1
Nov 16 09:21:28.140 INFO [stderr]    Compiling failure_derive v0.1.2
Nov 16 09:21:28.176 INFO [stderr]    Compiling structopt v0.2.10
Nov 16 09:21:32.657 INFO [stderr]    Compiling failure v0.1.2
Nov 16 09:21:42.755 INFO [stderr]    Compiling netmeasure2 v0.1.0 (/source)
Nov 16 09:21:45.483 INFO [stderr] error: unused `std::result::Result` that must be used
Nov 16 09:21:45.483 INFO [stderr]    --> src/probe.rs:354:9
Nov 16 09:21:45.484 INFO [stderr]     |
Nov 16 09:21:45.484 INFO [stderr] 354 |         writeln!(out);
Nov 16 09:21:45.484 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 16 09:21:45.485 INFO [stderr]     |
Nov 16 09:21:45.485 INFO [stderr] note: lint level defined here
Nov 16 09:21:45.485 INFO [stderr]    --> src/main.rs:9:9
Nov 16 09:21:45.486 INFO [stderr]     |
Nov 16 09:21:45.486 INFO [stderr] 9   | #![deny(unused_must_use)]
Nov 16 09:21:45.486 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Nov 16 09:21:45.487 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 09:21:45.487 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)
Nov 16 09:21:45.487 INFO [stderr] 
Nov 16 09:21:45.487 INFO [stderr] error: unused `std::result::Result` that must be used
Nov 16 09:21:45.488 INFO [stderr]    --> src/battery/run.rs:115:13
Nov 16 09:21:45.488 INFO [stderr]     |
Nov 16 09:21:45.488 INFO [stderr] 115 |             writeln!(out);
Nov 16 09:21:45.489 INFO [stderr]     |             ^^^^^^^^^^^^^^
Nov 16 09:21:45.489 INFO [stderr]     |
Nov 16 09:21:45.489 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 09:21:45.490 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)
Nov 16 09:21:45.490 INFO [stderr] 
Nov 16 09:21:45.505 INFO [stderr] error: aborting due to 2 previous errors
Nov 16 09:21:45.505 INFO [stderr] 
Nov 16 09:21:45.522 INFO [stderr] error: Could not compile `netmeasure2`.
Nov 16 09:21:45.522 INFO [stderr] 
Nov 16 09:21:45.522 INFO [stderr] To learn more, run the command again with --verbose.
Nov 16 09:21:45.522 INFO [stderr] su: No module specific data is present
Nov 16 09:21:46.467 INFO running `"docker" "inspect" "9dfc3ea261c26fde65799bde3fe9819dde7464800d799a7c0af5e85848206727"`
Nov 16 09:21:46.743 INFO running `"docker" "rm" "-f" "9dfc3ea261c26fde65799bde3fe9819dde7464800d799a7c0af5e85848206727"`
Nov 16 09:21:47.163 INFO [stdout] 9dfc3ea261c26fde65799bde3fe9819dde7464800d799a7c0af5e85848206727