Dec 14 11:27:42.572 INFO testing CharlesGe129/learn_rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:27:42.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 11:27:43.043 INFO [stdout] 38d3e6d5b870fb42bbbf4461ad00d6d2aac4fa324768a39de434331fdb8f5b02
Dec 14 11:27:43.043 INFO running `"docker" "start" "-a" "38d3e6d5b870fb42bbbf4461ad00d6d2aac4fa324768a39de434331fdb8f5b02"`
Dec 14 11:27:44.667 INFO [stderr] usermod: no changes
Dec 14 11:27:44.759 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 14 11:27:45.323 INFO [stderr] warning: unused variable: `v`
Dec 14 11:27:45.323 INFO [stderr]  --> src/array.rs:6:9
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr] 6 |     let v: Vec<i32> = Vec::new();
Dec 14 11:27:45.323 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:27:45.323 INFO [stderr] 
Dec 14 11:27:45.323 INFO [stderr] warning: unused variable: `v`
Dec 14 11:27:45.323 INFO [stderr]  --> src/array.rs:7:9
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr] 7 |     let v: Vec<i32> = vec![];
Dec 14 11:27:45.323 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 14 11:27:45.323 INFO [stderr] 
Dec 14 11:27:45.323 INFO [stderr] warning: unused variable: `hello`
Dec 14 11:27:45.323 INFO [stderr]  --> src/str.rs:2:9
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr] 2 |     let hello = "hello world!";
Dec 14 11:27:45.323 INFO [stderr]   |         ^^^^^ help: consider using `_hello` instead
Dec 14 11:27:45.323 INFO [stderr] 
Dec 14 11:27:45.323 INFO [stderr] warning: unused variable: `hello`
Dec 14 11:27:45.323 INFO [stderr]  --> src/str.rs:4:9
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr] 4 |     let hello: &'static str = "hello world!";
Dec 14 11:27:45.323 INFO [stderr]   |         ^^^^^ help: consider using `_hello` instead
Dec 14 11:27:45.323 INFO [stderr] 
Dec 14 11:27:45.323 INFO [stderr] warning: value assigned to `hello` is never read
Dec 14 11:27:45.323 INFO [stderr]  --> src/str.rs:6:13
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr] 6 |     let mut hello = String::new();
Dec 14 11:27:45.323 INFO [stderr]   |             ^^^^^
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.323 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 14 11:27:45.323 INFO [stderr] 
Dec 14 11:27:45.323 INFO [stderr] warning: unused variable: `point`
Dec 14 11:27:45.323 INFO [stderr]  --> src/struct.rs:9:9
Dec 14 11:27:45.323 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr] 9 |     let point = Point{x: 1, y: 2};
Dec 14 11:27:45.324 INFO [stderr]   |         ^^^^^ help: consider using `_point` instead
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: unused variable: `green`
Dec 14 11:27:45.324 INFO [stderr]   --> src/struct.rs:14:20
Dec 14 11:27:45.324 INFO [stderr]    |
Dec 14 11:27:45.324 INFO [stderr] 14 |     let Color(red, green, blue) = android_green;
Dec 14 11:27:45.324 INFO [stderr]    |                    ^^^^^ help: consider using `_green` instead
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: unused variable: `blue`
Dec 14 11:27:45.324 INFO [stderr]   --> src/struct.rs:14:27
Dec 14 11:27:45.324 INFO [stderr]    |
Dec 14 11:27:45.324 INFO [stderr] 14 |     let Color(red, green, blue) = android_green;
Dec 14 11:27:45.324 INFO [stderr]    |                           ^^^^ help: consider using `_blue` instead
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:27:45.324 INFO [stderr]  --> src/array.rs:2:9
Dec 14 11:27:45.324 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr] 2 |     let mut array: [i32; 3] = [0; 3];
Dec 14 11:27:45.324 INFO [stderr]   |         ----^^^^^
Dec 14 11:27:45.324 INFO [stderr]   |         |
Dec 14 11:27:45.324 INFO [stderr]   |         help: remove this `mut`
Dec 14 11:27:45.324 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: field is never used: `x`
Dec 14 11:27:45.324 INFO [stderr]  --> src/struct.rs:5:9
Dec 14 11:27:45.324 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr] 5 |         x: i32,
Dec 14 11:27:45.324 INFO [stderr]   |         ^^^^^^
Dec 14 11:27:45.324 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: field is never used: `y`
Dec 14 11:27:45.324 INFO [stderr]  --> src/struct.rs:6:9
Dec 14 11:27:45.324 INFO [stderr]   |
Dec 14 11:27:45.324 INFO [stderr] 6 |         y: i32,
Dec 14 11:27:45.324 INFO [stderr]   |         ^^^^^^
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: field is never used: `x`
Dec 14 11:27:45.324 INFO [stderr]   --> src/struct.rs:45:9
Dec 14 11:27:45.324 INFO [stderr]    |
Dec 14 11:27:45.324 INFO [stderr] 45 |         x: i32,
Dec 14 11:27:45.324 INFO [stderr]    |         ^^^^^^
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:45.324 INFO [stderr] warning: type `Point_mut` should have a camel case name such as `PointMut`
Dec 14 11:27:45.324 INFO [stderr]   --> src/struct.rs:44:5
Dec 14 11:27:45.324 INFO [stderr]    |
Dec 14 11:27:45.324 INFO [stderr] 44 | /     struct Point_mut {
Dec 14 11:27:45.324 INFO [stderr] 45 | |         x: i32,
Dec 14 11:27:45.324 INFO [stderr] 46 | |         y: Cell<i32>,
Dec 14 11:27:45.324 INFO [stderr] 47 | |     }
Dec 14 11:27:45.324 INFO [stderr]    | |_____^
Dec 14 11:27:45.324 INFO [stderr]    |
Dec 14 11:27:45.324 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 11:27:45.324 INFO [stderr] 
Dec 14 11:27:46.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 14 11:27:46.018 INFO [stderr] su: No module specific data is present
Dec 14 11:27:46.799 INFO running `"docker" "inspect" "38d3e6d5b870fb42bbbf4461ad00d6d2aac4fa324768a39de434331fdb8f5b02"`
Dec 14 11:27:47.079 INFO running `"docker" "rm" "-f" "38d3e6d5b870fb42bbbf4461ad00d6d2aac4fa324768a39de434331fdb8f5b02"`
Dec 14 11:27:47.371 INFO [stdout] 38d3e6d5b870fb42bbbf4461ad00d6d2aac4fa324768a39de434331fdb8f5b02
Dec 14 11:27:47.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 11:27:47.876 INFO [stdout] 4db968291c77cade42bac24dd8768ccac8e14ca01fde7edc09581225c430430e
Dec 14 11:27:47.885 INFO running `"docker" "start" "-a" "4db968291c77cade42bac24dd8768ccac8e14ca01fde7edc09581225c430430e"`
Dec 14 11:27:49.047 INFO [stderr] usermod: no changes
Dec 14 11:27:49.107 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `v`
Dec 14 11:27:49.767 INFO [stderr]  --> src/array.rs:6:9
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 6 |     let v: Vec<i32> = Vec::new();
Dec 14 11:27:49.767 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `v`
Dec 14 11:27:49.767 INFO [stderr]  --> src/array.rs:7:9
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 7 |     let v: Vec<i32> = vec![];
Dec 14 11:27:49.767 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `hello`
Dec 14 11:27:49.767 INFO [stderr]  --> src/str.rs:2:9
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 2 |     let hello = "hello world!";
Dec 14 11:27:49.767 INFO [stderr]   |         ^^^^^ help: consider using `_hello` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `hello`
Dec 14 11:27:49.767 INFO [stderr]  --> src/str.rs:4:9
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 4 |     let hello: &'static str = "hello world!";
Dec 14 11:27:49.767 INFO [stderr]   |         ^^^^^ help: consider using `_hello` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: value assigned to `hello` is never read
Dec 14 11:27:49.767 INFO [stderr]  --> src/str.rs:6:13
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 6 |     let mut hello = String::new();
Dec 14 11:27:49.767 INFO [stderr]   |             ^^^^^
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `point`
Dec 14 11:27:49.767 INFO [stderr]  --> src/struct.rs:9:9
Dec 14 11:27:49.767 INFO [stderr]   |
Dec 14 11:27:49.767 INFO [stderr] 9 |     let point = Point{x: 1, y: 2};
Dec 14 11:27:49.767 INFO [stderr]   |         ^^^^^ help: consider using `_point` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `green`
Dec 14 11:27:49.767 INFO [stderr]   --> src/struct.rs:14:20
Dec 14 11:27:49.767 INFO [stderr]    |
Dec 14 11:27:49.767 INFO [stderr] 14 |     let Color(red, green, blue) = android_green;
Dec 14 11:27:49.767 INFO [stderr]    |                    ^^^^^ help: consider using `_green` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.767 INFO [stderr] warning: unused variable: `blue`
Dec 14 11:27:49.767 INFO [stderr]   --> src/struct.rs:14:27
Dec 14 11:27:49.767 INFO [stderr]    |
Dec 14 11:27:49.767 INFO [stderr] 14 |     let Color(red, green, blue) = android_green;
Dec 14 11:27:49.767 INFO [stderr]    |                           ^^^^ help: consider using `_blue` instead
Dec 14 11:27:49.767 INFO [stderr] 
Dec 14 11:27:49.783 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:27:49.783 INFO [stderr]  --> src/array.rs:2:9
Dec 14 11:27:49.783 INFO [stderr]   |
Dec 14 11:27:49.783 INFO [stderr] 2 |     let mut array: [i32; 3] = [0; 3];
Dec 14 11:27:49.783 INFO [stderr]   |         ----^^^^^
Dec 14 11:27:49.783 INFO [stderr]   |         |
Dec 14 11:27:49.783 INFO [stderr]   |         help: remove this `mut`
Dec 14 11:27:49.783 INFO [stderr]   |
Dec 14 11:27:49.783 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 14 11:27:49.783 INFO [stderr] 
Dec 14 11:27:49.802 INFO [stderr] warning: field is never used: `x`
Dec 14 11:27:49.802 INFO [stderr]  --> src/struct.rs:5:9
Dec 14 11:27:49.802 INFO [stderr]   |
Dec 14 11:27:49.802 INFO [stderr] 5 |         x: i32,
Dec 14 11:27:49.802 INFO [stderr]   |         ^^^^^^
Dec 14 11:27:49.802 INFO [stderr]   |
Dec 14 11:27:49.802 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:27:49.802 INFO [stderr] 
Dec 14 11:27:49.802 INFO [stderr] warning: field is never used: `y`
Dec 14 11:27:49.802 INFO [stderr]  --> src/struct.rs:6:9
Dec 14 11:27:49.802 INFO [stderr]   |
Dec 14 11:27:49.802 INFO [stderr] 6 |         y: i32,
Dec 14 11:27:49.802 INFO [stderr]   |         ^^^^^^
Dec 14 11:27:49.802 INFO [stderr] 
Dec 14 11:27:49.802 INFO [stderr] warning: field is never used: `x`
Dec 14 11:27:49.802 INFO [stderr]   --> src/struct.rs:45:9
Dec 14 11:27:49.802 INFO [stderr]    |
Dec 14 11:27:49.802 INFO [stderr] 45 |         x: i32,
Dec 14 11:27:49.802 INFO [stderr]    |         ^^^^^^
Dec 14 11:27:49.802 INFO [stderr] 
Dec 14 11:27:49.802 INFO [stderr] warning: type `Point_mut` should have a camel case name such as `PointMut`
Dec 14 11:27:49.802 INFO [stderr]   --> src/struct.rs:44:5
Dec 14 11:27:49.802 INFO [stderr]    |
Dec 14 11:27:49.802 INFO [stderr] 44 | /     struct Point_mut {
Dec 14 11:27:49.802 INFO [stderr] 45 | |         x: i32,
Dec 14 11:27:49.802 INFO [stderr] 46 | |         y: Cell<i32>,
Dec 14 11:27:49.802 INFO [stderr] 47 | |     }
Dec 14 11:27:49.802 INFO [stderr]    | |_____^
Dec 14 11:27:49.802 INFO [stderr]    |
Dec 14 11:27:49.802 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 11:27:49.802 INFO [stderr] 
Dec 14 11:27:50.131 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 14 11:27:50.131 INFO [stderr] su: No module specific data is present
Dec 14 11:27:50.791 INFO running `"docker" "inspect" "4db968291c77cade42bac24dd8768ccac8e14ca01fde7edc09581225c430430e"`
Dec 14 11:27:51.085 INFO running `"docker" "rm" "-f" "4db968291c77cade42bac24dd8768ccac8e14ca01fde7edc09581225c430430e"`
Dec 14 11:27:51.483 INFO [stdout] 4db968291c77cade42bac24dd8768ccac8e14ca01fde7edc09581225c430430e
Dec 14 11:27:51.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 11:27:51.947 INFO [stdout] 353d6b0e812480b14098ffd85e7cf12e9b581954f998d870a1d582eb30b82a60
Dec 14 11:27:51.949 INFO running `"docker" "start" "-a" "353d6b0e812480b14098ffd85e7cf12e9b581954f998d870a1d582eb30b82a60"`
Dec 14 11:27:53.467 INFO [stderr] usermod: no changes
Dec 14 11:27:53.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 11:27:53.541 INFO [stderr]      Running /target/debug/deps/learn_rust-083b287af5a7aa50
Dec 14 11:27:53.552 INFO [stdout] 
Dec 14 11:27:53.552 INFO [stdout] running 0 tests
Dec 14 11:27:53.552 INFO [stdout] 
Dec 14 11:27:53.552 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:27:53.552 INFO [stdout] 
Dec 14 11:27:53.554 INFO [stderr] su: No module specific data is present
Dec 14 11:27:54.815 INFO running `"docker" "inspect" "353d6b0e812480b14098ffd85e7cf12e9b581954f998d870a1d582eb30b82a60"`
Dec 14 11:27:55.081 INFO running `"docker" "rm" "-f" "353d6b0e812480b14098ffd85e7cf12e9b581954f998d870a1d582eb30b82a60"`
Dec 14 11:27:55.402 INFO [stdout] 353d6b0e812480b14098ffd85e7cf12e9b581954f998d870a1d582eb30b82a60