[INFO] crate stitches 0.1.0 is already in cache [INFO] testing stitches-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate stitches 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate stitches 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate stitches 0.1.0 [INFO] finished tweaking crates.io crate stitches 0.1.0 [INFO] tweaked toml for crates.io crate stitches 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6072447b9cf1c11fa022ceef82154cefbc25b1f3909947c23291c7f7bae9c8b7 [INFO] running `"docker" "start" "-a" "6072447b9cf1c11fa022ceef82154cefbc25b1f3909947c23291c7f7bae9c8b7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling stitches v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | fn initial(&self) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:9:67 [INFO] [stderr] | [INFO] [stderr] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outer_len` [INFO] [stderr] --> src/fast_deque.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn outer_len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/fast_deque.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/fast_deque.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_head` [INFO] [stderr] --> src/fast_deque.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/fast_deque.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.65s [INFO] running `"docker" "inspect" "6072447b9cf1c11fa022ceef82154cefbc25b1f3909947c23291c7f7bae9c8b7"` [INFO] running `"docker" "rm" "-f" "6072447b9cf1c11fa022ceef82154cefbc25b1f3909947c23291c7f7bae9c8b7"` [INFO] [stdout] 6072447b9cf1c11fa022ceef82154cefbc25b1f3909947c23291c7f7bae9c8b7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 859f099aec92213809930ef057ac254bb61a485f8fe654d583dfc7add2cd35cb [INFO] running `"docker" "start" "-a" "859f099aec92213809930ef057ac254bb61a485f8fe654d583dfc7add2cd35cb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling stitches v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | fn initial(&self) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:9:67 [INFO] [stderr] | [INFO] [stderr] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outer_len` [INFO] [stderr] --> src/fast_deque.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn outer_len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/fast_deque.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/fast_deque.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_head` [INFO] [stderr] --> src/fast_deque.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/fast_deque.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | fn initial(&self) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:9:67 [INFO] [stderr] | [INFO] [stderr] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outer_len` [INFO] [stderr] --> src/fast_deque.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn outer_len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/fast_deque.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/fast_deque.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_head` [INFO] [stderr] --> src/fast_deque.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/fast_deque.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "859f099aec92213809930ef057ac254bb61a485f8fe654d583dfc7add2cd35cb"` [INFO] running `"docker" "rm" "-f" "859f099aec92213809930ef057ac254bb61a485f8fe654d583dfc7add2cd35cb"` [INFO] [stdout] 859f099aec92213809930ef057ac254bb61a485f8fe654d583dfc7add2cd35cb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 75cfe55cf5e45308e079465be2dfa510beb50c8c777f3e3a805ccb2562b3903d [INFO] running `"docker" "start" "-a" "75cfe55cf5e45308e079465be2dfa510beb50c8c777f3e3a805ccb2562b3903d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | fn initial(&self) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:9:67 [INFO] [stderr] | [INFO] [stderr] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outer_len` [INFO] [stderr] --> src/fast_deque.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn outer_len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/fast_deque.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/fast_deque.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_head` [INFO] [stderr] --> src/fast_deque.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/fast_deque.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | fn initial(&self) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tree_search.rs:9:67 [INFO] [stderr] | [INFO] [stderr] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outer_len` [INFO] [stderr] --> src/fast_deque.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn outer_len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/fast_deque.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/fast_deque.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_head` [INFO] [stderr] --> src/fast_deque.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/fast_deque.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/stitches-63894b62c6cf95b6 [INFO] [stderr] Doc-tests stitches [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] [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" "75cfe55cf5e45308e079465be2dfa510beb50c8c777f3e3a805ccb2562b3903d"` [INFO] running `"docker" "rm" "-f" "75cfe55cf5e45308e079465be2dfa510beb50c8c777f3e3a805ccb2562b3903d"` [INFO] [stdout] 75cfe55cf5e45308e079465be2dfa510beb50c8c777f3e3a805ccb2562b3903d