Dec 19 19:03:08.805 INFO checking chrisshyi/Karger-MinCut against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:03:08.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chrisshyi/Karger-MinCut:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:03:09.404 INFO [stdout] 275b269b9633ff7cf7c0ada8f61cd75583fd54068a424582230824f0b3673c49
Dec 19 19:03:09.410 INFO running `"docker" "start" "-a" "275b269b9633ff7cf7c0ada8f61cd75583fd54068a424582230824f0b3673c49"`
Dec 19 19:03:10.940 INFO [stderr]     Checking rand_core v0.1.0-pre.0
Dec 19 19:03:11.513 INFO [stderr]     Checking rand v0.5.0-pre.0
Dec 19 19:03:13.520 INFO [stderr]     Checking karger-min-cut v0.1.0 (/opt/crater/workdir)
Dec 19 19:03:13.764 INFO [stderr] warning: unused import: `thread_rng`
Dec 19 19:03:13.764 INFO [stderr]  --> src/main.rs:2:48
Dec 19 19:03:13.764 INFO [stderr]   |
Dec 19 19:03:13.764 INFO [stderr] 2 | use std::collections::HashMap; use rand::{Rng, thread_rng};
Dec 19 19:03:13.764 INFO [stderr]   |                                                ^^^^^^^^^^
Dec 19 19:03:13.764 INFO [stderr]   |
Dec 19 19:03:13.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:03:13.764 INFO [stderr] 
Dec 19 19:03:13.832 INFO [stderr] warning: unused variable: `E`
Dec 19 19:03:13.832 INFO [stderr]    --> src/main.rs:128:17
Dec 19 19:03:13.832 INFO [stderr]     |
Dec 19 19:03:13.832 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 19 19:03:13.832 INFO [stderr]     |                 ^ help: consider using `_E` instead
Dec 19 19:03:13.832 INFO [stderr]     |
Dec 19 19:03:13.832 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 19:03:13.832 INFO [stderr] 
Dec 19 19:03:13.832 INFO [stderr] warning: unused variable: `num_vertx`
Dec 19 19:03:13.832 INFO [stderr]    --> src/main.rs:159:9
Dec 19 19:03:13.832 INFO [stderr]     |
Dec 19 19:03:13.832 INFO [stderr] 159 |     let num_vertx: f64 = active_vertx.len() as f64;
Dec 19 19:03:13.832 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_num_vertx` instead
Dec 19 19:03:13.832 INFO [stderr] 
Dec 19 19:03:13.848 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 19 19:03:13.848 INFO [stderr]    --> src/main.rs:128:17
Dec 19 19:03:13.848 INFO [stderr]     |
Dec 19 19:03:13.848 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 19 19:03:13.848 INFO [stderr]     |                 ^
Dec 19 19:03:13.848 INFO [stderr]     |
Dec 19 19:03:13.848 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:13.848 INFO [stderr] 
Dec 19 19:03:13.886 INFO [stderr] warning: unused import: `thread_rng`
Dec 19 19:03:13.886 INFO [stderr]  --> src/main.rs:2:48
Dec 19 19:03:13.886 INFO [stderr]   |
Dec 19 19:03:13.886 INFO [stderr] 2 | use std::collections::HashMap; use rand::{Rng, thread_rng};
Dec 19 19:03:13.886 INFO [stderr]   |                                                ^^^^^^^^^^
Dec 19 19:03:13.886 INFO [stderr]   |
Dec 19 19:03:13.886 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:03:13.886 INFO [stderr] 
Dec 19 19:03:14.036 INFO [stderr] warning: unused variable: `E`
Dec 19 19:03:14.036 INFO [stderr]    --> src/main.rs:128:17
Dec 19 19:03:14.036 INFO [stderr]     |
Dec 19 19:03:14.036 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 19 19:03:14.036 INFO [stderr]     |                 ^ help: consider using `_E` instead
Dec 19 19:03:14.036 INFO [stderr]     |
Dec 19 19:03:14.036 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 19:03:14.036 INFO [stderr] 
Dec 19 19:03:14.036 INFO [stderr] warning: unused variable: `num_vertx`
Dec 19 19:03:14.036 INFO [stderr]    --> src/main.rs:159:9
Dec 19 19:03:14.036 INFO [stderr]     |
Dec 19 19:03:14.036 INFO [stderr] 159 |     let num_vertx: f64 = active_vertx.len() as f64;
Dec 19 19:03:14.036 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_num_vertx` instead
Dec 19 19:03:14.036 INFO [stderr] 
Dec 19 19:03:14.084 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 19 19:03:14.084 INFO [stderr]    --> src/main.rs:128:17
Dec 19 19:03:14.084 INFO [stderr]     |
Dec 19 19:03:14.084 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 19 19:03:14.084 INFO [stderr]     |                 ^
Dec 19 19:03:14.084 INFO [stderr]     |
Dec 19 19:03:14.084 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:14.084 INFO [stderr] 
Dec 19 19:03:14.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
Dec 19 19:03:14.664 INFO running `"docker" "inspect" "275b269b9633ff7cf7c0ada8f61cd75583fd54068a424582230824f0b3673c49"`
Dec 19 19:03:14.996 INFO running `"docker" "rm" "-f" "275b269b9633ff7cf7c0ada8f61cd75583fd54068a424582230824f0b3673c49"`
Dec 19 19:03:15.271 INFO [stdout] 275b269b9633ff7cf7c0ada8f61cd75583fd54068a424582230824f0b3673c49