Dec 03 13:58:52.627 INFO testing disjoint-set-0.0.2 against 1.30.1 for beta-1.31-5
Dec 03 13:58:52.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 13:58:52.836 INFO [stdout] 4fb09b7109c3d45e8cc6bfed61e6b9e16a6bc1c35cf4ab05dc2a9ab29339136c
Dec 03 13:58:52.838 INFO running `"docker" "start" "-a" "4fb09b7109c3d45e8cc6bfed61e6b9e16a6bc1c35cf4ab05dc2a9ab29339136c"`
Dec 03 13:58:53.473 INFO [stderr] usermod: no changes
Dec 03 13:58:53.513 INFO [stderr]    Compiling disjoint-set v0.0.2 (/source)
Dec 03 13:58:54.247 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 03 13:58:54.247 INFO [stderr]  --> src/lib.rs:3:5
Dec 03 13:58:54.247 INFO [stderr]   |
Dec 03 13:58:54.247 INFO [stderr] 3 | use std::rc::Rc;
Dec 03 13:58:54.247 INFO [stderr]   |     ^^^^^^^^^^^
Dec 03 13:58:54.247 INFO [stderr]   |
Dec 03 13:58:54.247 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 13:58:54.247 INFO [stderr] 
Dec 03 13:58:54.279 INFO [stderr] warning: unused variable: `p`
Dec 03 13:58:54.279 INFO [stderr]   --> src/lib.rs:37:18
Dec 03 13:58:54.279 INFO [stderr]    |
Dec 03 13:58:54.279 INFO [stderr] 37 |             Some(p) => return,
Dec 03 13:58:54.279 INFO [stderr]    |                  ^ help: consider using `_p` instead
Dec 03 13:58:54.279 INFO [stderr]    |
Dec 03 13:58:54.279 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 03 13:58:54.279 INFO [stderr] 
Dec 03 13:58:54.279 INFO [stderr] warning: variable does not need to be mutable
Dec 03 13:58:54.279 INFO [stderr]   --> src/lib.rs:35:13
Dec 03 13:58:54.279 INFO [stderr]    |
Dec 03 13:58:54.279 INFO [stderr] 35 |         let mut len = &mut self.set_size;
Dec 03 13:58:54.279 INFO [stderr]    |             ----^^^
Dec 03 13:58:54.279 INFO [stderr]    |             |
Dec 03 13:58:54.279 INFO [stderr]    |             help: remove this `mut`
Dec 03 13:58:54.279 INFO [stderr]    |
Dec 03 13:58:54.279 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 13:58:54.279 INFO [stderr] 
Dec 03 13:58:54.279 INFO [stderr] warning: variable does not need to be mutable
Dec 03 13:58:54.279 INFO [stderr]   --> src/lib.rs:53:13
Dec 03 13:58:54.279 INFO [stderr]    |
Dec 03 13:58:54.279 INFO [stderr] 53 |         let mut pos: usize;
Dec 03 13:58:54.279 INFO [stderr]    |             ----^^^
Dec 03 13:58:54.279 INFO [stderr]    |             |
Dec 03 13:58:54.279 INFO [stderr]    |             help: remove this `mut`
Dec 03 13:58:54.279 INFO [stderr] 
Dec 03 13:58:54.280 INFO [stderr] warning: variant is never constructed: `Root`
Dec 03 13:58:54.280 INFO [stderr]  --> src/lib.rs:7:5
Dec 03 13:58:54.280 INFO [stderr]   |
Dec 03 13:58:54.280 INFO [stderr] 7 |     Root(ValueType, u32),
Dec 03 13:58:54.280 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 13:58:54.280 INFO [stderr]   |
Dec 03 13:58:54.280 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 03 13:58:54.280 INFO [stderr] 
Dec 03 13:58:54.280 INFO [stderr] warning: variant is never constructed: `Link`
Dec 03 13:58:54.280 INFO [stderr]  --> src/lib.rs:8:5
Dec 03 13:58:54.280 INFO [stderr]   |
Dec 03 13:58:54.280 INFO [stderr] 8 |     Link(Box<SetItem<ValueType>>)
Dec 03 13:58:54.280 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:58:54.280 INFO [stderr] 
Dec 03 13:58:54.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 03 13:58:54.327 INFO [stderr] su: No module specific data is present
Dec 03 13:58:54.991 INFO running `"docker" "inspect" "4fb09b7109c3d45e8cc6bfed61e6b9e16a6bc1c35cf4ab05dc2a9ab29339136c"`
Dec 03 13:58:55.231 INFO running `"docker" "rm" "-f" "4fb09b7109c3d45e8cc6bfed61e6b9e16a6bc1c35cf4ab05dc2a9ab29339136c"`
Dec 03 13:58:55.539 INFO [stdout] 4fb09b7109c3d45e8cc6bfed61e6b9e16a6bc1c35cf4ab05dc2a9ab29339136c
Dec 03 13:58:55.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 13:58:56.028 INFO [stdout] 8f1a406c3f5ba1e55516180695cffb4381c190bff6197bfaa6175782ac61b23f
Dec 03 13:58:56.030 INFO running `"docker" "start" "-a" "8f1a406c3f5ba1e55516180695cffb4381c190bff6197bfaa6175782ac61b23f"`
Dec 03 13:58:57.087 INFO [stderr] usermod: no changes
Dec 03 13:58:57.126 INFO [stderr]    Compiling disjoint-set v0.0.2 (/source)
Dec 03 13:58:58.047 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 03 13:58:58.047 INFO [stderr]  --> src/lib.rs:3:5
Dec 03 13:58:58.047 INFO [stderr]   |
Dec 03 13:58:58.047 INFO [stderr] 3 | use std::rc::Rc;
Dec 03 13:58:58.047 INFO [stderr]   |     ^^^^^^^^^^^
Dec 03 13:58:58.047 INFO [stderr]   |
Dec 03 13:58:58.047 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 13:58:58.047 INFO [stderr] 
Dec 03 13:58:58.087 INFO [stderr] warning: unused variable: `p`
Dec 03 13:58:58.088 INFO [stderr]   --> src/lib.rs:37:18
Dec 03 13:58:58.088 INFO [stderr]    |
Dec 03 13:58:58.088 INFO [stderr] 37 |             Some(p) => return,
Dec 03 13:58:58.088 INFO [stderr]    |                  ^ help: consider using `_p` instead
Dec 03 13:58:58.088 INFO [stderr]    |
Dec 03 13:58:58.088 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 03 13:58:58.088 INFO [stderr] 
Dec 03 13:58:58.089 INFO [stderr] warning: variable does not need to be mutable
Dec 03 13:58:58.089 INFO [stderr]   --> src/lib.rs:35:13
Dec 03 13:58:58.089 INFO [stderr]    |
Dec 03 13:58:58.089 INFO [stderr] 35 |         let mut len = &mut self.set_size;
Dec 03 13:58:58.089 INFO [stderr]    |             ----^^^
Dec 03 13:58:58.089 INFO [stderr]    |             |
Dec 03 13:58:58.089 INFO [stderr]    |             help: remove this `mut`
Dec 03 13:58:58.089 INFO [stderr]    |
Dec 03 13:58:58.089 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 13:58:58.089 INFO [stderr] 
Dec 03 13:58:58.090 INFO [stderr] warning: variable does not need to be mutable
Dec 03 13:58:58.090 INFO [stderr]   --> src/lib.rs:53:13
Dec 03 13:58:58.090 INFO [stderr]    |
Dec 03 13:58:58.090 INFO [stderr] 53 |         let mut pos: usize;
Dec 03 13:58:58.090 INFO [stderr]    |             ----^^^
Dec 03 13:58:58.090 INFO [stderr]    |             |
Dec 03 13:58:58.090 INFO [stderr]    |             help: remove this `mut`
Dec 03 13:58:58.090 INFO [stderr] 
Dec 03 13:58:58.093 INFO [stderr] warning: variant is never constructed: `Root`
Dec 03 13:58:58.093 INFO [stderr]  --> src/lib.rs:7:5
Dec 03 13:58:58.093 INFO [stderr]   |
Dec 03 13:58:58.093 INFO [stderr] 7 |     Root(ValueType, u32),
Dec 03 13:58:58.093 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 13:58:58.093 INFO [stderr]   |
Dec 03 13:58:58.093 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 03 13:58:58.093 INFO [stderr] 
Dec 03 13:58:58.093 INFO [stderr] warning: variant is never constructed: `Link`
Dec 03 13:58:58.093 INFO [stderr]  --> src/lib.rs:8:5
Dec 03 13:58:58.093 INFO [stderr]   |
Dec 03 13:58:58.093 INFO [stderr] 8 |     Link(Box<SetItem<ValueType>>)
Dec 03 13:58:58.093 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:58:58.093 INFO [stderr] 
Dec 03 13:58:58.111 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 13:58:58.111 INFO [stderr]    --> src/lib.rs:106:5
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr] 106 |     ds.union(1, 2);
Dec 03 13:58:58.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 03 13:58:58.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 13:58:58.111 INFO [stderr] 
Dec 03 13:58:58.111 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 13:58:58.111 INFO [stderr]    --> src/lib.rs:107:5
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr] 107 |     ds.union(2, 3);
Dec 03 13:58:58.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 13:58:58.111 INFO [stderr] 
Dec 03 13:58:58.111 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 13:58:58.111 INFO [stderr]    --> src/lib.rs:118:5
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr] 118 |     ds.union(-1, 4);
Dec 03 13:58:58.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 13:58:58.111 INFO [stderr] 
Dec 03 13:58:58.111 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 13:58:58.111 INFO [stderr]    --> src/lib.rs:119:5
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr] 119 |     ds.union(2, 4);
Dec 03 13:58:58.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 03 13:58:58.111 INFO [stderr]     |
Dec 03 13:58:58.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 13:58:58.111 INFO [stderr] 
Dec 03 13:58:58.898 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Dec 03 13:58:58.901 INFO [stderr] su: No module specific data is present
Dec 03 13:58:59.777 INFO running `"docker" "inspect" "8f1a406c3f5ba1e55516180695cffb4381c190bff6197bfaa6175782ac61b23f"`
Dec 03 13:59:00.041 INFO running `"docker" "rm" "-f" "8f1a406c3f5ba1e55516180695cffb4381c190bff6197bfaa6175782ac61b23f"`
Dec 03 13:59:00.233 INFO [stdout] 8f1a406c3f5ba1e55516180695cffb4381c190bff6197bfaa6175782ac61b23f
Dec 03 13:59:00.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 13:59:00.673 INFO [stdout] ab0267275764162d7e934ab1c3b2dbba7bdd3588043df4f83b79d34722fa4281
Dec 03 13:59:00.681 INFO running `"docker" "start" "-a" "ab0267275764162d7e934ab1c3b2dbba7bdd3588043df4f83b79d34722fa4281"`
Dec 03 13:59:01.895 INFO [stderr] usermod: no changes
Dec 03 13:59:01.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 03 13:59:01.971 INFO [stderr]      Running /target/debug/deps/disjoint_set-091899df0413059a
Dec 03 13:59:01.975 INFO [stdout] 
Dec 03 13:59:01.975 INFO [stdout] running 1 test
Dec 03 13:59:01.983 INFO [stdout] test it_works ... ok
Dec 03 13:59:01.983 INFO [stderr]    Doc-tests disjoint-set
Dec 03 13:59:01.983 INFO [stdout] 
Dec 03 13:59:01.983 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 13:59:01.983 INFO [stdout] 
Dec 03 13:59:03.523 INFO [stdout] 
Dec 03 13:59:03.523 INFO [stdout] running 0 tests
Dec 03 13:59:03.523 INFO [stdout] 
Dec 03 13:59:03.523 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 13:59:03.523 INFO [stdout] 
Dec 03 13:59:03.527 INFO [stderr] su: No module specific data is present
Dec 03 13:59:04.273 INFO running `"docker" "inspect" "ab0267275764162d7e934ab1c3b2dbba7bdd3588043df4f83b79d34722fa4281"`
Dec 03 13:59:04.535 INFO running `"docker" "rm" "-f" "ab0267275764162d7e934ab1c3b2dbba7bdd3588043df4f83b79d34722fa4281"`
Dec 03 13:59:04.841 INFO [stdout] ab0267275764162d7e934ab1c3b2dbba7bdd3588043df4f83b79d34722fa4281
