Dec 04 16:33:48.015 INFO checking jkurian/basic-web-server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:33:48.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:33:48.500 INFO [stdout] 2d1dd2adaca5e4b867df941dc597cb7a7902abb12c9613706e98d3d0ca1b7dc9
Dec 04 16:33:48.504 INFO running `"docker" "start" "-a" "2d1dd2adaca5e4b867df941dc597cb7a7902abb12c9613706e98d3d0ca1b7dc9"`
Dec 04 16:33:49.827 INFO [stderr] usermod: no changes
Dec 04 16:33:49.928 INFO [stderr]     Checking hello v0.1.0 (/source)
Dec 04 16:33:50.395 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 16:33:50.395 INFO [stderr]   --> src/lib.rs:43:9
Dec 04 16:33:50.395 INFO [stderr]    |
Dec 04 16:33:50.395 INFO [stderr] 43 |       if(size <= 0) {
Dec 04 16:33:50.395 INFO [stderr]    |         ^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:33:50.395 INFO [stderr]    |
Dec 04 16:33:50.395 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 16:33:50.395 INFO [stderr] 
Dec 04 16:33:50.452 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 16:33:50.455 INFO [stderr]   --> src/lib.rs:43:9
Dec 04 16:33:50.455 INFO [stderr]    |
Dec 04 16:33:50.455 INFO [stderr] 43 |       if(size <= 0) {
Dec 04 16:33:50.455 INFO [stderr]    |         ^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:33:50.459 INFO [stderr]    |
Dec 04 16:33:50.459 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 16:33:50.459 INFO [stderr] 
Dec 04 16:33:50.463 INFO [stderr] warning: unused variable: `f`
Dec 04 16:33:50.463 INFO [stderr]   --> src/lib.rs:60:30
Dec 04 16:33:50.463 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 60 |     pub fn execute<F>(&self, f: F)
Dec 04 16:33:50.464 INFO [stderr]    |                              ^ help: consider using `_f` instead
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.464 INFO [stderr] warning: field is never used: `workers`
Dec 04 16:33:50.464 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 10 |     workers: Vec<Worker>,
Dec 04 16:33:50.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.464 INFO [stderr] warning: field is never used: `sender`
Dec 04 16:33:50.464 INFO [stderr]   --> src/lib.rs:11:5
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 11 |     sender: mpsc::Sender<Job>,
Dec 04 16:33:50.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.464 INFO [stderr] warning: field is never used: `id`
Dec 04 16:33:50.464 INFO [stderr]   --> src/lib.rs:15:3
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 15 |   id: usize,
Dec 04 16:33:50.464 INFO [stderr]    |   ^^^^^^^^^
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.464 INFO [stderr] warning: field is never used: `thread`
Dec 04 16:33:50.464 INFO [stderr]   --> src/lib.rs:16:3
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 16 |   thread: thread::JoinHandle<()>
Dec 04 16:33:50.464 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.464 INFO [stderr] warning: path statement with no effect
Dec 04 16:33:50.464 INFO [stderr]   --> src/lib.rs:24:7
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr] 24 |       receiver;
Dec 04 16:33:50.464 INFO [stderr]    |       ^^^^^^^^^
Dec 04 16:33:50.464 INFO [stderr]    |
Dec 04 16:33:50.464 INFO [stderr]    = note: #[warn(path_statements)] on by default
Dec 04 16:33:50.464 INFO [stderr] 
Dec 04 16:33:50.494 INFO [stderr] warning: unused variable: `f`
Dec 04 16:33:50.495 INFO [stderr]   --> src/lib.rs:60:30
Dec 04 16:33:50.495 INFO [stderr]    |
Dec 04 16:33:50.495 INFO [stderr] 60 |     pub fn execute<F>(&self, f: F)
Dec 04 16:33:50.496 INFO [stderr]    |                              ^ help: consider using `_f` instead
Dec 04 16:33:50.496 INFO [stderr]    |
Dec 04 16:33:50.496 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:33:50.499 INFO [stderr] 
Dec 04 16:33:50.500 INFO [stderr] warning: field is never used: `workers`
Dec 04 16:33:50.500 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 16:33:50.500 INFO [stderr]    |
Dec 04 16:33:50.501 INFO [stderr] 10 |     workers: Vec<Worker>,
Dec 04 16:33:50.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.501 INFO [stderr]    |
Dec 04 16:33:50.502 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:33:50.502 INFO [stderr] 
Dec 04 16:33:50.502 INFO [stderr] warning: field is never used: `sender`
Dec 04 16:33:50.502 INFO [stderr]   --> src/lib.rs:11:5
Dec 04 16:33:50.502 INFO [stderr]    |
Dec 04 16:33:50.502 INFO [stderr] 11 |     sender: mpsc::Sender<Job>,
Dec 04 16:33:50.502 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.502 INFO [stderr] 
Dec 04 16:33:50.502 INFO [stderr] warning: field is never used: `id`
Dec 04 16:33:50.502 INFO [stderr]   --> src/lib.rs:15:3
Dec 04 16:33:50.502 INFO [stderr]    |
Dec 04 16:33:50.502 INFO [stderr] 15 |   id: usize,
Dec 04 16:33:50.502 INFO [stderr]    |   ^^^^^^^^^
Dec 04 16:33:50.502 INFO [stderr] 
Dec 04 16:33:50.503 INFO [stderr] warning: field is never used: `thread`
Dec 04 16:33:50.503 INFO [stderr]   --> src/lib.rs:16:3
Dec 04 16:33:50.503 INFO [stderr]    |
Dec 04 16:33:50.503 INFO [stderr] 16 |   thread: thread::JoinHandle<()>
Dec 04 16:33:50.503 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:33:50.503 INFO [stderr] 
Dec 04 16:33:50.504 INFO [stderr] warning: path statement with no effect
Dec 04 16:33:50.504 INFO [stderr]   --> src/lib.rs:24:7
Dec 04 16:33:50.504 INFO [stderr]    |
Dec 04 16:33:50.504 INFO [stderr] 24 |       receiver;
Dec 04 16:33:50.504 INFO [stderr]    |       ^^^^^^^^^
Dec 04 16:33:50.504 INFO [stderr]    |
Dec 04 16:33:50.504 INFO [stderr]    = note: #[warn(path_statements)] on by default
Dec 04 16:33:50.505 INFO [stderr] 
Dec 04 16:33:51.151 INFO [stderr] warning: unused variable: `ThreadPoolError`
Dec 04 16:33:51.151 INFO [stderr]   --> src/bin/main.rs:17:13
Dec 04 16:33:51.151 INFO [stderr]    |
Dec 04 16:33:51.151 INFO [stderr] 17 |         Err(ThreadPoolError) => {
Dec 04 16:33:51.151 INFO [stderr]    |             ^^^^^^^^^^^^^^^ help: consider using `_ThreadPoolError` instead
Dec 04 16:33:51.151 INFO [stderr]    |
Dec 04 16:33:51.151 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:33:51.151 INFO [stderr] 
Dec 04 16:33:51.151 INFO [stderr] warning: variable `ThreadPool` should have a snake case name such as `thread_pool`
Dec 04 16:33:51.151 INFO [stderr]   --> src/bin/main.rs:16:12
Dec 04 16:33:51.151 INFO [stderr]    |
Dec 04 16:33:51.151 INFO [stderr] 16 |         Ok(ThreadPool) => ThreadPool,
Dec 04 16:33:51.151 INFO [stderr]    |            ^^^^^^^^^^
Dec 04 16:33:51.151 INFO [stderr]    |
Dec 04 16:33:51.151 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 16:33:51.151 INFO [stderr] 
Dec 04 16:33:51.151 INFO [stderr] warning: variable `ThreadPoolError` should have a snake case name such as `thread_pool_error`
Dec 04 16:33:51.151 INFO [stderr]   --> src/bin/main.rs:17:13
Dec 04 16:33:51.151 INFO [stderr]    |
Dec 04 16:33:51.151 INFO [stderr] 17 |         Err(ThreadPoolError) => {
Dec 04 16:33:51.151 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 04 16:33:51.151 INFO [stderr] 
Dec 04 16:33:51.223 INFO [stderr] warning: unused variable: `ThreadPoolError`
Dec 04 16:33:51.230 INFO [stderr]   --> src/bin/main.rs:17:13
Dec 04 16:33:51.230 INFO [stderr]    |
Dec 04 16:33:51.230 INFO [stderr] 17 |         Err(ThreadPoolError) => {
Dec 04 16:33:51.230 INFO [stderr]    |             ^^^^^^^^^^^^^^^ help: consider using `_ThreadPoolError` instead
Dec 04 16:33:51.230 INFO [stderr]    |
Dec 04 16:33:51.230 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:33:51.230 INFO [stderr] 
Dec 04 16:33:51.235 INFO [stderr] warning: variable `ThreadPool` should have a snake case name such as `thread_pool`
Dec 04 16:33:51.235 INFO [stderr]   --> src/bin/main.rs:16:12
Dec 04 16:33:51.235 INFO [stderr]    |
Dec 04 16:33:51.235 INFO [stderr] 16 |         Ok(ThreadPool) => ThreadPool,
Dec 04 16:33:51.235 INFO [stderr]    |            ^^^^^^^^^^
Dec 04 16:33:51.235 INFO [stderr]    |
Dec 04 16:33:51.235 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 16:33:51.235 INFO [stderr] 
Dec 04 16:33:51.235 INFO [stderr] warning: variable `ThreadPoolError` should have a snake case name such as `thread_pool_error`
Dec 04 16:33:51.235 INFO [stderr]   --> src/bin/main.rs:17:13
Dec 04 16:33:51.235 INFO [stderr]    |
Dec 04 16:33:51.235 INFO [stderr] 17 |         Err(ThreadPoolError) => {
Dec 04 16:33:51.235 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 04 16:33:51.235 INFO [stderr] 
Dec 04 16:33:51.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 04 16:33:51.275 INFO [stderr] su: No module specific data is present
Dec 04 16:33:52.105 INFO running `"docker" "inspect" "2d1dd2adaca5e4b867df941dc597cb7a7902abb12c9613706e98d3d0ca1b7dc9"`
Dec 04 16:33:52.438 INFO running `"docker" "rm" "-f" "2d1dd2adaca5e4b867df941dc597cb7a7902abb12c9613706e98d3d0ca1b7dc9"`
Dec 04 16:33:52.763 INFO [stdout] 2d1dd2adaca5e4b867df941dc597cb7a7902abb12c9613706e98d3d0ca1b7dc9