[INFO] fetching crate semver-store 0.2.0... [INFO] testing semver-store-0.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate semver-store 0.2.0 into /workspace/builds/worker-54/source [INFO] validating manifest of crates.io crate semver-store 0.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-54/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77c295a49da54f327f8ed75698e2e6bcf58e990558b55584c2b46bde02ef264e [INFO] running `Command { std: "docker" "start" "-a" "77c295a49da54f327f8ed75698e2e6bcf58e990558b55584c2b46bde02ef264e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77c295a49da54f327f8ed75698e2e6bcf58e990558b55584c2b46bde02ef264e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c295a49da54f327f8ed75698e2e6bcf58e990558b55584c2b46bde02ef264e", kill_on_drop: false }` [INFO] [stdout] 77c295a49da54f327f8ed75698e2e6bcf58e990558b55584c2b46bde02ef264e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98192038ebac3553bc72f6a4ef65f050cc71c1a3e27bda415553d5eb2b02dab5 [INFO] running `Command { std: "docker" "start" "-a" "98192038ebac3553bc72f6a4ef65f050cc71c1a3e27bda415553d5eb2b02dab5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/node.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 31 | match self.children.keys().max() { [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 32 | Some(max) => self.get_child(*max), [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "98192038ebac3553bc72f6a4ef65f050cc71c1a3e27bda415553d5eb2b02dab5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98192038ebac3553bc72f6a4ef65f050cc71c1a3e27bda415553d5eb2b02dab5", kill_on_drop: false }` [INFO] [stdout] 98192038ebac3553bc72f6a4ef65f050cc71c1a3e27bda415553d5eb2b02dab5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 390adce45f204c66e355d1b06b18394b58b81eedc4bb3066608b72597f6c0646 [INFO] running `Command { std: "docker" "start" "-a" "390adce45f204c66e355d1b06b18394b58b81eedc4bb3066608b72597f6c0646", kill_on_drop: false }` [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/node.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 31 | match self.children.keys().max() { [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 32 | Some(max) => self.get_child(*max), [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling semver-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/node.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 31 | match self.children.keys().max() { [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 32 | Some(max) => self.get_child(*max), [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.16s [INFO] running `Command { std: "docker" "inspect" "390adce45f204c66e355d1b06b18394b58b81eedc4bb3066608b72597f6c0646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "390adce45f204c66e355d1b06b18394b58b81eedc4bb3066608b72597f6c0646", kill_on_drop: false }` [INFO] [stdout] 390adce45f204c66e355d1b06b18394b58b81eedc4bb3066608b72597f6c0646 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 18d6ea50cedcc8dd239c4e4105ae64cdac3783ea7dd1343cd3a4fc638e0499b7 [INFO] running `Command { std: "docker" "start" "-a" "18d6ea50cedcc8dd239c4e4105ae64cdac3783ea7dd1343cd3a4fc638e0499b7", kill_on_drop: false }` [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: `semver-store` (lib) generated 1 warning [INFO] [stderr] warning: `semver-store` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/semver_store-5fb200ce6b5fb362) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test node::node_tests::add_a_child ... ok [INFO] [stdout] test node::node_tests::add_a_child_multiple_times ... ok [INFO] [stdout] test node::node_tests::add_child_to_child ... ok [INFO] [stdout] test node::node_tests::get_the_max_child ... ok [INFO] [stdout] test node::node_tests::create_a_node ... ok [INFO] [stdout] test node::node_tests::remove_a_child ... ok [INFO] [stdout] test semver_store_tests::create_a_store ... ok [INFO] [stdout] test semver_store_tests::delete_major_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::delete_stored_values ... ok [INFO] [stdout] test semver_store_tests::delete_minor_wildcard_shortcut ... 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::get_patch_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::not_found ... ok [INFO] [stdout] test semver_store_tests::store_a_string ... ok [INFO] [stdout] test semver_store_tests::store_has_key ... ok [INFO] [stdout] test semver_store_tests::store_multiple_values ... 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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "18d6ea50cedcc8dd239c4e4105ae64cdac3783ea7dd1343cd3a4fc638e0499b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18d6ea50cedcc8dd239c4e4105ae64cdac3783ea7dd1343cd3a4fc638e0499b7", kill_on_drop: false }` [INFO] [stdout] 18d6ea50cedcc8dd239c4e4105ae64cdac3783ea7dd1343cd3a4fc638e0499b7