Dec 12 04:54:20.313 INFO checking welle-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:54:20.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 04:54:20.786 INFO [stdout] 227dd32a8aed003b222d62ce4f3a47571e0ceec26b046f0762279fb05b428164
Dec 12 04:54:20.788 INFO running `"docker" "start" "-a" "227dd32a8aed003b222d62ce4f3a47571e0ceec26b046f0762279fb05b428164"`
Dec 12 04:54:22.516 INFO [stderr] usermod: no changes
Dec 12 04:54:22.894 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 12 04:54:22.894 INFO [stderr]     Checking h2 v0.1.14
Dec 12 04:54:27.421 INFO [stderr]     Checking structopt v0.2.14
Dec 12 04:54:29.317 INFO [stderr]     Checking hyper v0.12.18
Dec 12 04:54:36.079 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 12 04:54:40.183 INFO [stderr]     Checking reqwest v0.9.5
Dec 12 04:54:46.404 INFO [stderr]     Checking welle v0.1.0 (/source)
Dec 12 04:54:57.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.292 INFO [stderr]    --> src/main.rs:204:9
Dec 12 04:54:57.292 INFO [stderr]     |
Dec 12 04:54:57.292 INFO [stderr] 204 |         writeln!(f, "");
Dec 12 04:54:57.292 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 04:54:57.292 INFO [stderr]     |
Dec 12 04:54:57.292 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 04:54:57.292 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.292 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 12 04:54:57.292 INFO [stderr] 
Dec 12 04:54:57.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.292 INFO [stderr]    --> src/main.rs:213:9
Dec 12 04:54:57.292 INFO [stderr]     |
Dec 12 04:54:57.292 INFO [stderr] 213 |         writeln!(f, "");
Dec 12 04:54:57.292 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 04:54:57.292 INFO [stderr]     |
Dec 12 04:54:57.292 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.292 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 12 04:54:57.292 INFO [stderr] 
Dec 12 04:54:57.297 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.297 INFO [stderr]    --> src/main.rs:214:9
Dec 12 04:54:57.297 INFO [stderr]     |
Dec 12 04:54:57.297 INFO [stderr] 214 | /         writeln!(
Dec 12 04:54:57.297 INFO [stderr] 215 | |             f,
Dec 12 04:54:57.297 INFO [stderr] 216 | |             "Percentage of the requests served within a certain time:"
Dec 12 04:54:57.297 INFO [stderr] 217 | |         );
Dec 12 04:54:57.297 INFO [stderr]     | |__________^
Dec 12 04:54:57.297 INFO [stderr]     |
Dec 12 04:54:57.297 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.297 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 12 04:54:57.297 INFO [stderr] 
Dec 12 04:54:57.374 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.374 INFO [stderr]    --> src/main.rs:204:9
Dec 12 04:54:57.374 INFO [stderr]     |
Dec 12 04:54:57.374 INFO [stderr] 204 |         writeln!(f, "");
Dec 12 04:54:57.374 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 04:54:57.374 INFO [stderr]     |
Dec 12 04:54:57.374 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 04:54:57.374 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.376 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 12 04:54:57.376 INFO [stderr] 
Dec 12 04:54:57.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.376 INFO [stderr]    --> src/main.rs:213:9
Dec 12 04:54:57.376 INFO [stderr]     |
Dec 12 04:54:57.376 INFO [stderr] 213 |         writeln!(f, "");
Dec 12 04:54:57.376 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 04:54:57.376 INFO [stderr]     |
Dec 12 04:54:57.376 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.376 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 12 04:54:57.376 INFO [stderr] 
Dec 12 04:54:57.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:54:57.376 INFO [stderr]    --> src/main.rs:214:9
Dec 12 04:54:57.376 INFO [stderr]     |
Dec 12 04:54:57.376 INFO [stderr] 214 | /         writeln!(
Dec 12 04:54:57.376 INFO [stderr] 215 | |             f,
Dec 12 04:54:57.376 INFO [stderr] 216 | |             "Percentage of the requests served within a certain time:"
Dec 12 04:54:57.376 INFO [stderr] 217 | |         );
Dec 12 04:54:57.376 INFO [stderr]     | |__________^
Dec 12 04:54:57.376 INFO [stderr]     |
Dec 12 04:54:57.376 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:54:57.376 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 12 04:54:57.376 INFO [stderr] 
Dec 12 04:54:57.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.89s
Dec 12 04:54:57.476 INFO [stderr] su: No module specific data is present
Dec 12 04:54:58.667 INFO running `"docker" "inspect" "227dd32a8aed003b222d62ce4f3a47571e0ceec26b046f0762279fb05b428164"`
Dec 12 04:54:58.990 INFO running `"docker" "rm" "-f" "227dd32a8aed003b222d62ce4f3a47571e0ceec26b046f0762279fb05b428164"`
Dec 12 04:54:59.305 INFO [stdout] 227dd32a8aed003b222d62ce4f3a47571e0ceec26b046f0762279fb05b428164