Dec 11 06:45:43.638 INFO checking vi/netmeasure2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:45:43.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 06:45:44.040 INFO [stdout] c5ec15a7ca2c4d6b72a77dc2ef361a99e50ad6f2dcc13519f5a7e14ee35678df
Dec 11 06:45:44.046 INFO running `"docker" "start" "-a" "c5ec15a7ca2c4d6b72a77dc2ef361a99e50ad6f2dcc13519f5a7e14ee35678df"`
Dec 11 06:45:45.252 INFO [stderr] usermod: no changes
Dec 11 06:45:45.484 INFO [stderr]    Compiling serde v1.0.79
Dec 11 06:45:45.507 INFO [stderr]     Checking enum_derive v0.1.7
Dec 11 06:45:45.507 INFO [stderr]     Checking half v1.2.0
Dec 11 06:45:45.507 INFO [stderr]     Checking macro-attr v0.2.0
Dec 11 06:45:45.507 INFO [stderr]     Checking strum v0.9.0
Dec 11 06:45:45.507 INFO [stderr]     Checking static_assertions v0.2.5
Dec 11 06:45:45.507 INFO [stderr]     Checking spin_sleep v0.3.7
Dec 11 06:45:45.507 INFO [stderr]     Checking counted-array v0.1.2
Dec 11 06:45:46.321 INFO [stderr]     Checking itertools v0.5.10
Dec 11 06:45:46.333 INFO [stderr]    Compiling rand_derive v0.3.1
Dec 11 06:45:46.457 INFO [stderr]    Compiling syn v0.14.9
Dec 11 06:45:46.770 INFO [stderr]    Compiling syn v0.15.4
Dec 11 06:45:46.925 INFO [stderr]     Checking backtrace v0.3.9
Dec 11 06:45:47.124 INFO [stderr]     Checking enum-unitary v0.3.4
Dec 11 06:46:10.690 INFO [stderr]    Compiling mini-internal v0.1.1
Dec 11 06:46:10.692 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 11 06:46:24.435 INFO [stderr]    Compiling synstructure v0.9.0
Dec 11 06:46:24.441 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 11 06:46:24.444 INFO [stderr]    Compiling strum_macros v0.9.1
Dec 11 06:46:25.342 INFO [stderr]     Checking miniserde v0.1.1
Dec 11 06:46:29.169 INFO [stderr]     Checking miniserde_tools v0.1.0 (/source/miniserde_tools)
Dec 11 06:46:38.302 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 11 06:46:41.994 INFO [stderr]     Checking bincode v1.0.1
Dec 11 06:46:41.995 INFO [stderr]     Checking serde_json v1.0.28
Dec 11 06:46:42.005 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 11 06:46:43.784 INFO [stderr]     Checking structopt v0.2.10
Dec 11 06:46:46.966 INFO [stderr]     Checking failure v0.1.2
Dec 11 06:46:57.852 INFO [stderr]     Checking netmeasure2 v0.1.0 (/source)
Dec 11 06:47:02.532 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 11 06:47:02.533 INFO [stderr]    --> src/probe.rs:354:9
Dec 11 06:47:02.533 INFO [stderr]     |
Dec 11 06:47:02.533 INFO [stderr] 354 |         writeln!(out);
Dec 11 06:47:02.533 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 11 06:47:02.533 INFO [stderr]     |
Dec 11 06:47:02.533 INFO [stderr] note: lint level defined here
Dec 11 06:47:02.533 INFO [stderr]    --> src/main.rs:9:9
Dec 11 06:47:02.533 INFO [stderr]     |
Dec 11 06:47:02.533 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 11 06:47:02.533 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 11 06:47:02.533 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:47:02.533 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 11 06:47:02.533 INFO [stderr] 
Dec 11 06:47:02.533 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 11 06:47:02.533 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 11 06:47:02.533 INFO [stderr]     |
Dec 11 06:47:02.533 INFO [stderr] 115 |             writeln!(out);
Dec 11 06:47:02.533 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 11 06:47:02.533 INFO [stderr]     |
Dec 11 06:47:02.533 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:47:02.533 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 11 06:47:02.533 INFO [stderr] 
Dec 11 06:47:02.547 INFO [stderr] error: aborting due to 2 previous errors
Dec 11 06:47:02.547 INFO [stderr] 
Dec 11 06:47:02.556 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 11 06:47:02.556 INFO [stderr]    --> src/probe.rs:354:9
Dec 11 06:47:02.556 INFO [stderr]     |
Dec 11 06:47:02.556 INFO [stderr] 354 |         writeln!(out);
Dec 11 06:47:02.556 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 11 06:47:02.556 INFO [stderr]     |
Dec 11 06:47:02.557 INFO [stderr] note: lint level defined here
Dec 11 06:47:02.557 INFO [stderr]    --> src/main.rs:9:9
Dec 11 06:47:02.557 INFO [stderr]     |
Dec 11 06:47:02.557 INFO [stderr] 9   | #![deny(unused_must_use)]
Dec 11 06:47:02.557 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 11 06:47:02.557 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:47:02.557 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 11 06:47:02.557 INFO [stderr] 
Dec 11 06:47:02.557 INFO [stderr] error: unused `std::result::Result` that must be used
Dec 11 06:47:02.557 INFO [stderr]    --> src/battery/run.rs:115:13
Dec 11 06:47:02.557 INFO [stderr]     |
Dec 11 06:47:02.557 INFO [stderr] 115 |             writeln!(out);
Dec 11 06:47:02.557 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 11 06:47:02.557 INFO [stderr]     |
Dec 11 06:47:02.557 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:47:02.557 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 11 06:47:02.557 INFO [stderr] 
Dec 11 06:47:02.579 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 11 06:47:02.579 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 06:47:02.583 INFO [stderr] error: aborting due to 2 previous errors
Dec 11 06:47:02.583 INFO [stderr] 
Dec 11 06:47:02.608 INFO [stderr] error: Could not compile `netmeasure2`.
Dec 11 06:47:02.609 INFO [stderr] 
Dec 11 06:47:02.609 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 06:47:02.611 INFO [stderr] su: No module specific data is present
Dec 11 06:47:03.928 INFO running `"docker" "inspect" "c5ec15a7ca2c4d6b72a77dc2ef361a99e50ad6f2dcc13519f5a7e14ee35678df"`
Dec 11 06:47:04.328 INFO running `"docker" "rm" "-f" "c5ec15a7ca2c4d6b72a77dc2ef361a99e50ad6f2dcc13519f5a7e14ee35678df"`
Dec 11 06:47:04.708 INFO [stdout] c5ec15a7ca2c4d6b72a77dc2ef361a99e50ad6f2dcc13519f5a7e14ee35678df