[INFO] crate semver-store 0.2.0 is already in cache [INFO] testing semver-store-0.2.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate semver-store 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate semver-store 0.2.0 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 semver-store 0.2.0 [INFO] finished tweaking crates.io crate semver-store 0.2.0 [INFO] tweaked toml for crates.io crate semver-store 0.2.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] cb9aac057031b0dcbc644d88f0920495399ff9f37ce3f4cc1457ecdc2e7f9f05 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "cb9aac057031b0dcbc644d88f0920495399ff9f37ce3f4cc1457ecdc2e7f9f05"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling semver-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/node.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 31 | match self.children.keys().max() { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 32 | Some(max) => self.get_child(*max), [INFO] [stderr] | ^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `"docker" "inspect" "cb9aac057031b0dcbc644d88f0920495399ff9f37ce3f4cc1457ecdc2e7f9f05"` [INFO] running `"docker" "rm" "-f" "cb9aac057031b0dcbc644d88f0920495399ff9f37ce3f4cc1457ecdc2e7f9f05"` [INFO] [stdout] cb9aac057031b0dcbc644d88f0920495399ff9f37ce3f4cc1457ecdc2e7f9f05 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 712d500ddde44bd12bbeb4fc452545d2cdf519120f5a7c65cef05717cf0d6172 [INFO] running `"docker" "start" "-a" "712d500ddde44bd12bbeb4fc452545d2cdf519120f5a7c65cef05717cf0d6172"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling semver-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/node.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 31 | match self.children.keys().max() { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 32 | Some(max) => self.get_child(*max), [INFO] [stderr] | ^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/node.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 31 | match self.children.keys().max() { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 32 | Some(max) => self.get_child(*max), [INFO] [stderr] | ^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `"docker" "inspect" "712d500ddde44bd12bbeb4fc452545d2cdf519120f5a7c65cef05717cf0d6172"` [INFO] running `"docker" "rm" "-f" "712d500ddde44bd12bbeb4fc452545d2cdf519120f5a7c65cef05717cf0d6172"` [INFO] [stdout] 712d500ddde44bd12bbeb4fc452545d2cdf519120f5a7c65cef05717cf0d6172 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9bc1525b0143911605242274cb5dbff8a0a2be371c7e4e7f382fe5d56789bb54 [INFO] running `"docker" "start" "-a" "9bc1525b0143911605242274cb5dbff8a0a2be371c7e4e7f382fe5d56789bb54"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/node.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 31 | match self.children.keys().max() { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 32 | Some(max) => self.get_child(*max), [INFO] [stderr] | ^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/node.rs:32:26 [INFO] [stderr] | [INFO] [stderr] 31 | match self.children.keys().max() { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 32 | Some(max) => self.get_child(*max), [INFO] [stderr] | ^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/semver_store-d3cab8017b1c96b9 [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test node::node_tests::create_a_node ... ok [INFO] [stdout] test node::node_tests::get_the_max_child ... ok [INFO] [stdout] test node::node_tests::add_a_child ... ok [INFO] [stdout] test node::node_tests::add_child_to_child ... ok [INFO] [stdout] test semver_store_tests::delete_minor_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::store_has_key ... ok [INFO] [stdout] test semver_store_tests::delete_major_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::create_a_store ... ok [INFO] [stdout] test node::node_tests::add_a_child_multiple_times ... ok [INFO] [stdout] test semver_store_tests::delete_stored_values ... ok [INFO] [stdout] test semver_store_tests::empty_store ... ok [INFO] [stdout] test semver_store_tests::get_minor_wildcard ... ok [INFO] [stdout] test semver_store_tests::store_a_string ... ok [INFO] [stdout] test semver_store_tests::not_found ... ok [INFO] [stdout] test semver_store_tests::store_multiple_values ... ok [INFO] [stdout] test node::node_tests::remove_a_child ... ok [INFO] [stdout] test semver_store_tests::get_patch_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::store_multiple_values_and_multiple_prefixes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests semver-store [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" "9bc1525b0143911605242274cb5dbff8a0a2be371c7e4e7f382fe5d56789bb54"` [INFO] running `"docker" "rm" "-f" "9bc1525b0143911605242274cb5dbff8a0a2be371c7e4e7f382fe5d56789bb54"` [INFO] [stdout] 9bc1525b0143911605242274cb5dbff8a0a2be371c7e4e7f382fe5d56789bb54