Dec 05 02:48:30.982 INFO testing vi/netmeasure2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 02:48:30.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 02:48:31.428 INFO [stdout] 8d3d94f1280d236d0c1a298579c629c28ad5b3de858a452e4308dd4606c84e9e
Dec 05 02:48:31.434 INFO running `"docker" "start" "-a" "8d3d94f1280d236d0c1a298579c629c28ad5b3de858a452e4308dd4606c84e9e"`
Dec 05 02:48:33.446 INFO [stderr] usermod: no changes
Dec 05 02:48:33.676 INFO [stderr]    Compiling proc-macro2 v0.4.17
Dec 05 02:48:33.676 INFO [stderr]    Compiling serde v1.0.79
Dec 05 02:48:33.688 INFO [stderr]    Compiling macro-attr v0.2.0
Dec 05 02:48:33.688 INFO [stderr]    Compiling enum_derive v0.1.7
Dec 05 02:48:33.688 INFO [stderr]    Compiling half v1.2.0
Dec 05 02:48:33.688 INFO [stderr]    Compiling spin_sleep v0.3.7
Dec 05 02:48:33.688 INFO [stderr]    Compiling counted-array v0.1.2
Dec 05 02:48:33.688 INFO [stderr]    Compiling static_assertions v0.2.5
Dec 05 02:48:34.332 INFO [stderr]    Compiling strum v0.9.0
Dec 05 02:48:34.501 INFO [stderr]    Compiling itertools v0.5.10
Dec 05 02:48:34.625 INFO [stderr]    Compiling syn v0.10.8
Dec 05 02:48:35.217 INFO [stderr]    Compiling rand_derive v0.3.1
Dec 05 02:48:37.068 INFO [stderr]    Compiling enum-unitary v0.3.4
Dec 05 02:48:37.068 INFO [stderr]    Compiling backtrace v0.3.9
Dec 05 02:48:43.468 INFO [stderr]    Compiling quote v0.6.8
Dec 05 02:48:45.344 INFO [stderr]    Compiling syn v0.14.9
Dec 05 02:48:45.344 INFO [stderr]    Compiling syn v0.15.4
Dec 05 02:49:03.766 INFO [stderr]    Compiling derivative v1.0.0
Dec 05 02:49:14.400 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 05 02:49:26.336 INFO [stderr]    Compiling synstructure v0.9.0
Dec 05 02:49:26.336 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 05 02:49:26.336 INFO [stderr]    Compiling strum_macros v0.9.1
Dec 05 02:49:28.892 INFO [stderr]    Compiling serde_cbor v0.9.0
Dec 05 02:49:28.892 INFO [stderr]    Compiling serde_json v1.0.28
Dec 05 02:49:28.892 INFO [stderr]    Compiling bincode v1.0.1
Dec 05 02:49:37.556 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 05 02:49:39.516 INFO [stderr]    Compiling structopt v0.2.10
Dec 05 02:49:40.916 INFO [stderr]    Compiling failure v0.1.2
Dec 05 02:49:49.408 INFO [stderr]    Compiling netmeasure2 v0.1.0 (/source)
Dec 05 02:49:52.144 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 05 02:49:52.144 INFO [stderr]    --> src/probe.rs:354:9
Dec 05 02:49:52.144 INFO [stderr]     |
Dec 05 02:49:52.144 INFO [stderr] 354 |         writeln!(out);
Dec 05 02:49:52.144 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 05 02:49:52.144 INFO [stderr]     |
Dec 05 02:49:52.144 INFO [stderr] note: lint level defined here
Dec 05 02:49:52.146 INFO [stderr]    --> src/main.rs:9:9
Dec 05 02:49:52.146 INFO [stderr]     |
Dec 05 02:49:52.146 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 05 02:49:52.146 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 05 02:49:52.146 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:52.146 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 05 02:49:52.146 INFO [stderr] 
Dec 05 02:49:52.148 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 05 02:49:52.148 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 05 02:49:52.148 INFO [stderr]     |
Dec 05 02:49:52.148 INFO [stderr] 115 |             writeln!(out);
Dec 05 02:49:52.148 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 05 02:49:52.148 INFO [stderr]     |
Dec 05 02:49:52.148 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:52.148 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 05 02:49:52.148 INFO [stderr] 
Dec 05 02:49:52.168 INFO [stderr] error: aborting due to 2 previous errors
Dec 05 02:49:52.172 INFO [stderr] 
Dec 05 02:49:52.188 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 05 02:49:52.188 INFO [stderr] 
Dec 05 02:49:52.188 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 02:49:52.196 INFO [stderr] su: No module specific data is present
Dec 05 02:49:52.884 INFO running `"docker" "inspect" "8d3d94f1280d236d0c1a298579c629c28ad5b3de858a452e4308dd4606c84e9e"`
Dec 05 02:49:53.166 INFO running `"docker" "rm" "-f" "8d3d94f1280d236d0c1a298579c629c28ad5b3de858a452e4308dd4606c84e9e"`
Dec 05 02:49:53.492 INFO [stdout] 8d3d94f1280d236d0c1a298579c629c28ad5b3de858a452e4308dd4606c84e9e