[INFO] updating cached repository raiker/persistent-rope [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/raiker/persistent-rope [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/raiker/persistent-rope" "work/ex/beta-1.38-1/sources/1.37.0/gh/raiker/persistent-rope"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/raiker/persistent-rope'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/raiker/persistent-rope" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raiker/persistent-rope"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raiker/persistent-rope'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7f638488c32998e1683a0a3ba8de4846c9a5dee7 [INFO] sha for GitHub repo raiker/persistent-rope: 7f638488c32998e1683a0a3ba8de4846c9a5dee7 [INFO] validating manifest of raiker/persistent-rope 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 raiker/persistent-rope 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 raiker/persistent-rope [INFO] finished frobbing raiker/persistent-rope [INFO] frobbed toml for raiker/persistent-rope written to work/ex/beta-1.38-1/sources/1.37.0/gh/raiker/persistent-rope/Cargo.toml [INFO] started frobbing raiker/persistent-rope [INFO] finished frobbing raiker/persistent-rope [INFO] frobbed toml for raiker/persistent-rope written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/raiker/persistent-rope/Cargo.toml [INFO] crate raiker/persistent-rope 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 raiker/persistent-rope 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/raiker/persistent-rope:/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] ea142022c01a9e74e18a80020c7afedbcacee62f89c6681f523971d172ce6630 [INFO] running `"docker" "start" "-a" "ea142022c01a9e74e18a80020c7afedbcacee62f89c6681f523971d172ce6630"` [INFO] [stderr] Compiling persistent-rope v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `parent` [INFO] [stderr] --> src/main.rs:141:69 [INFO] [stderr] | [INFO] [stderr] 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_parent` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `RcSliceableString` [INFO] [stderr] --> src/rcstr.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/rcstr.rs:10:2 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(s: String) -> RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `slice` [INFO] [stderr] --> src/rcstr.rs:19:2 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn slice(&self, start: usize, len: usize) -> RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_str` [INFO] [stderr] --> src/rcstr.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn as_str(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `"docker" "inspect" "ea142022c01a9e74e18a80020c7afedbcacee62f89c6681f523971d172ce6630"` [INFO] running `"docker" "rm" "-f" "ea142022c01a9e74e18a80020c7afedbcacee62f89c6681f523971d172ce6630"` [INFO] [stdout] ea142022c01a9e74e18a80020c7afedbcacee62f89c6681f523971d172ce6630 [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/raiker/persistent-rope:/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] 2cf775f60319086980787163d052d1e0e2f00e38c06df04e3412f2b97604c119 [INFO] running `"docker" "start" "-a" "2cf775f60319086980787163d052d1e0e2f00e38c06df04e3412f2b97604c119"` [INFO] [stderr] Compiling persistent-rope v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `parent` [INFO] [stderr] --> src/main.rs:141:69 [INFO] [stderr] | [INFO] [stderr] 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_parent` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `"docker" "inspect" "2cf775f60319086980787163d052d1e0e2f00e38c06df04e3412f2b97604c119"` [INFO] running `"docker" "rm" "-f" "2cf775f60319086980787163d052d1e0e2f00e38c06df04e3412f2b97604c119"` [INFO] [stdout] 2cf775f60319086980787163d052d1e0e2f00e38c06df04e3412f2b97604c119 [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/raiker/persistent-rope:/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] c05e6aae4bde8f18737eaa77f306a20fe13c81497e87abd8ef944ea2681aad79 [INFO] running `"docker" "start" "-a" "c05e6aae4bde8f18737eaa77f306a20fe13c81497e87abd8ef944ea2681aad79"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/persistent_rope-989f2fd32aad93b8 [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test rcstr::test::test_rc_sliceable_string ... ok [INFO] [stdout] test tests::test_find ... ok [INFO] [stdout] test tests::test_insert_case2_left ... ok [INFO] [stdout] test tests::test_insert_case2_right ... ok [INFO] [stdout] test tests::test_insert_case3_left_b ... ok [INFO] [stdout] test tests::test_insert_case3_left_a ... ok [INFO] [stdout] test tests::test_insert_case3_right_a ... ok [INFO] [stdout] test tests::test_insert_case1 ... ok [INFO] [stdout] test tests::test_insert_case3_right_b ... ok [INFO] [stdout] test tests::test_insert_case4_right ... ok [INFO] [stdout] test tests::test_insert_case5_left ... ok [INFO] [stdout] test tests::test_insert_case5_right ... ok [INFO] [stdout] test tests::test_insert_case4_left ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c05e6aae4bde8f18737eaa77f306a20fe13c81497e87abd8ef944ea2681aad79"` [INFO] running `"docker" "rm" "-f" "c05e6aae4bde8f18737eaa77f306a20fe13c81497e87abd8ef944ea2681aad79"` [INFO] [stdout] c05e6aae4bde8f18737eaa77f306a20fe13c81497e87abd8ef944ea2681aad79