Dec 11 20:52:45.557 INFO checking chrisshyi/Karger-MinCut against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:52:45.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11 20:52:46.036 INFO [stdout] 6daef39797d8ca63d31572a8d062686bb3d790d9898ec8c7a51c58e0ed66c27b
Dec 11 20:52:46.040 INFO running `"docker" "start" "-a" "6daef39797d8ca63d31572a8d062686bb3d790d9898ec8c7a51c58e0ed66c27b"`
Dec 11 20:52:47.320 INFO [stderr] usermod: no changes
Dec 11 20:52:47.408 INFO [stderr]     Checking karger-min-cut v0.1.0 (/source)
Dec 11 20:52:48.040 INFO [stderr] warning: unused import: `thread_rng`
Dec 11 20:52:48.040 INFO [stderr]  --> src/main.rs:2:48
Dec 11 20:52:48.040 INFO [stderr]   |
Dec 11 20:52:48.040 INFO [stderr] 2 | use std::collections::HashMap; use rand::{Rng, thread_rng};
Dec 11 20:52:48.040 INFO [stderr]   |                                                ^^^^^^^^^^
Dec 11 20:52:48.040 INFO [stderr]   |
Dec 11 20:52:48.040 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:52:48.040 INFO [stderr] 
Dec 11 20:52:48.144 INFO [stderr] warning: unused import: `thread_rng`
Dec 11 20:52:48.144 INFO [stderr]  --> src/main.rs:2:48
Dec 11 20:52:48.144 INFO [stderr]   |
Dec 11 20:52:48.144 INFO [stderr] 2 | use std::collections::HashMap; use rand::{Rng, thread_rng};
Dec 11 20:52:48.144 INFO [stderr]   |                                                ^^^^^^^^^^
Dec 11 20:52:48.144 INFO [stderr]   |
Dec 11 20:52:48.144 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:52:48.144 INFO [stderr] 
Dec 11 20:52:48.168 INFO [stderr] warning: unused variable: `E`
Dec 11 20:52:48.168 INFO [stderr]    --> src/main.rs:128:17
Dec 11 20:52:48.168 INFO [stderr]     |
Dec 11 20:52:48.168 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 11 20:52:48.168 INFO [stderr]     |                 ^ help: consider using `_E` instead
Dec 11 20:52:48.168 INFO [stderr]     |
Dec 11 20:52:48.168 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 20:52:48.168 INFO [stderr] 
Dec 11 20:52:48.168 INFO [stderr] warning: unused variable: `num_vertx`
Dec 11 20:52:48.168 INFO [stderr]    --> src/main.rs:159:9
Dec 11 20:52:48.168 INFO [stderr]     |
Dec 11 20:52:48.168 INFO [stderr] 159 |     let num_vertx: f64 = active_vertx.len() as f64;
Dec 11 20:52:48.168 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_num_vertx` instead
Dec 11 20:52:48.168 INFO [stderr] 
Dec 11 20:52:48.212 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 11 20:52:48.212 INFO [stderr]    --> src/main.rs:128:17
Dec 11 20:52:48.212 INFO [stderr]     |
Dec 11 20:52:48.212 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 11 20:52:48.212 INFO [stderr]     |                 ^
Dec 11 20:52:48.212 INFO [stderr]     |
Dec 11 20:52:48.212 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 20:52:48.212 INFO [stderr] 
Dec 11 20:52:48.225 INFO [stderr] warning: unused variable: `E`
Dec 11 20:52:48.225 INFO [stderr]    --> src/main.rs:128:17
Dec 11 20:52:48.225 INFO [stderr]     |
Dec 11 20:52:48.225 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 11 20:52:48.225 INFO [stderr]     |                 ^ help: consider using `_E` instead
Dec 11 20:52:48.225 INFO [stderr]     |
Dec 11 20:52:48.225 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 20:52:48.225 INFO [stderr] 
Dec 11 20:52:48.225 INFO [stderr] warning: unused variable: `num_vertx`
Dec 11 20:52:48.225 INFO [stderr]    --> src/main.rs:159:9
Dec 11 20:52:48.225 INFO [stderr]     |
Dec 11 20:52:48.225 INFO [stderr] 159 |     let num_vertx: f64 = active_vertx.len() as f64;
Dec 11 20:52:48.225 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_num_vertx` instead
Dec 11 20:52:48.225 INFO [stderr] 
Dec 11 20:52:48.272 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Dec 11 20:52:48.272 INFO [stderr]    --> src/main.rs:128:17
Dec 11 20:52:48.272 INFO [stderr]     |
Dec 11 20:52:48.272 INFO [stderr] 128 |             Err(E) => panic!("line reading failure")
Dec 11 20:52:48.272 INFO [stderr]     |                 ^
Dec 11 20:52:48.272 INFO [stderr]     |
Dec 11 20:52:48.272 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 20:52:48.272 INFO [stderr] 
Dec 11 20:52:48.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 11 20:52:48.316 INFO [stderr] su: No module specific data is present
Dec 11 20:52:48.950 INFO running `"docker" "inspect" "6daef39797d8ca63d31572a8d062686bb3d790d9898ec8c7a51c58e0ed66c27b"`
Dec 11 20:52:49.246 INFO running `"docker" "rm" "-f" "6daef39797d8ca63d31572a8d062686bb3d790d9898ec8c7a51c58e0ed66c27b"`
Dec 11 20:52:49.464 INFO [stdout] 6daef39797d8ca63d31572a8d062686bb3d790d9898ec8c7a51c58e0ed66c27b