[INFO] updating cached repository jramos14/Binary-Search-Tree [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jramos14/Binary-Search-Tree [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jramos14/Binary-Search-Tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/jramos14/Binary-Search-Tree"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jramos14/Binary-Search-Tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jramos14/Binary-Search-Tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c5598a68c35fb07150343623512accd0811a259 [INFO] sha for GitHub repo jramos14/Binary-Search-Tree: 8c5598a68c35fb07150343623512accd0811a259 [INFO] validating manifest of jramos14/Binary-Search-Tree on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jramos14/Binary-Search-Tree on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jramos14/Binary-Search-Tree [INFO] finished frobbing jramos14/Binary-Search-Tree [INFO] frobbed toml for jramos14/Binary-Search-Tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/jramos14/Binary-Search-Tree/Cargo.toml [INFO] started frobbing jramos14/Binary-Search-Tree [INFO] finished frobbing jramos14/Binary-Search-Tree [INFO] frobbed toml for jramos14/Binary-Search-Tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree/Cargo.toml [INFO] crate jramos14/Binary-Search-Tree already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jramos14/Binary-Search-Tree against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 6403266f19877b93edc317a44f7b8d55eba3f9d69a1f8cfd4ae7d227f6b1b3c5 [INFO] running `"docker" "start" "-a" "6403266f19877b93edc317a44f7b8d55eba3f9d69a1f8cfd4ae7d227f6b1b3c5"` [INFO] [stderr] Compiling your v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:223:29 [INFO] [stderr] | [INFO] [stderr] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:29 [INFO] [stderr] | [INFO] [stderr] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:291:21 [INFO] [stderr] | [INFO] [stderr] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "6403266f19877b93edc317a44f7b8d55eba3f9d69a1f8cfd4ae7d227f6b1b3c5"` [INFO] running `"docker" "rm" "-f" "6403266f19877b93edc317a44f7b8d55eba3f9d69a1f8cfd4ae7d227f6b1b3c5"` [INFO] [stdout] 6403266f19877b93edc317a44f7b8d55eba3f9d69a1f8cfd4ae7d227f6b1b3c5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 3c4e7e13a1fbacbb4701dccf20888777a1f1671a9aaef89bad9bdc1c75286f55 [INFO] running `"docker" "start" "-a" "3c4e7e13a1fbacbb4701dccf20888777a1f1671a9aaef89bad9bdc1c75286f55"` [INFO] [stderr] Compiling your v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:223:29 [INFO] [stderr] | [INFO] [stderr] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:29 [INFO] [stderr] | [INFO] [stderr] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:291:21 [INFO] [stderr] | [INFO] [stderr] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "3c4e7e13a1fbacbb4701dccf20888777a1f1671a9aaef89bad9bdc1c75286f55"` [INFO] running `"docker" "rm" "-f" "3c4e7e13a1fbacbb4701dccf20888777a1f1671a9aaef89bad9bdc1c75286f55"` [INFO] [stdout] 3c4e7e13a1fbacbb4701dccf20888777a1f1671a9aaef89bad9bdc1c75286f55 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jramos14/Binary-Search-Tree:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] d5738611868a12c1a0e759837c7d8bccac30cfb50a2e266e7e61917d17bd02a2 [INFO] running `"docker" "start" "-a" "d5738611868a12c1a0e759837c7d8bccac30cfb50a2e266e7e61917d17bd02a2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/your-9df68a523b5a5dd8 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/your-a61dcc0d7f384915 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests your [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d5738611868a12c1a0e759837c7d8bccac30cfb50a2e266e7e61917d17bd02a2"` [INFO] running `"docker" "rm" "-f" "d5738611868a12c1a0e759837c7d8bccac30cfb50a2e266e7e61917d17bd02a2"` [INFO] [stdout] d5738611868a12c1a0e759837c7d8bccac30cfb50a2e266e7e61917d17bd02a2