[INFO] fetching crate semver-store 0.2.0... [INFO] testing semver-store-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate semver-store 0.2.0 into /workspace/builds/worker-90/source [INFO] validating manifest of crates.io crate semver-store 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-90/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79566e805731ff0d5dbf7bf38669b109118a4a2c316e67dbf8550576c51d8356 [INFO] running `Command { std: "docker" "start" "-a" "79566e805731ff0d5dbf7bf38669b109118a4a2c316e67dbf8550576c51d8356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79566e805731ff0d5dbf7bf38669b109118a4a2c316e67dbf8550576c51d8356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79566e805731ff0d5dbf7bf38669b109118a4a2c316e67dbf8550576c51d8356", kill_on_drop: false }` [INFO] [stdout] 79566e805731ff0d5dbf7bf38669b109118a4a2c316e67dbf8550576c51d8356 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6581bedc4a67d8407db8ac94b5720b845eab30ee26c4894604d400bb123281c3 [INFO] running `Command { std: "docker" "start" "-a" "6581bedc4a67d8407db8ac94b5720b845eab30ee26c4894604d400bb123281c3", kill_on_drop: false }` [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 0.31s [INFO] running `Command { std: "docker" "inspect" "6581bedc4a67d8407db8ac94b5720b845eab30ee26c4894604d400bb123281c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6581bedc4a67d8407db8ac94b5720b845eab30ee26c4894604d400bb123281c3", kill_on_drop: false }` [INFO] [stdout] 6581bedc4a67d8407db8ac94b5720b845eab30ee26c4894604d400bb123281c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1cdc03df7a78c989afd054001c3d33e3ff6a796e5eb453fafdd3eefd46199bd [INFO] running `Command { std: "docker" "start" "-a" "d1cdc03df7a78c989afd054001c3d33e3ff6a796e5eb453fafdd3eefd46199bd", 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] [stderr] Compiling semver-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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 1.58s [INFO] running `Command { std: "docker" "inspect" "d1cdc03df7a78c989afd054001c3d33e3ff6a796e5eb453fafdd3eefd46199bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1cdc03df7a78c989afd054001c3d33e3ff6a796e5eb453fafdd3eefd46199bd", kill_on_drop: false }` [INFO] [stdout] d1cdc03df7a78c989afd054001c3d33e3ff6a796e5eb453fafdd3eefd46199bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] abb9fd4d3f65cd3200b6b35bebfc2dce78be2aa638933b67df4f14651dd9ae70 [INFO] running `Command { std: "docker" "start" "-a" "abb9fd4d3f65cd3200b6b35bebfc2dce78be2aa638933b67df4f14651dd9ae70", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 0.23s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/semver_store-5e7fcc82a56674a3) [INFO] [stdout] [INFO] [stdout] running 18 tests [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 node::node_tests::add_a_child ... ok [INFO] [stdout] test semver_store_tests::delete_minor_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::create_a_store ... ok [INFO] [stdout] test semver_store_tests::empty_store ... ok [INFO] [stdout] test semver_store_tests::get_patch_wildcard_shortcut ... ok [INFO] [stdout] test node::node_tests::add_a_child_multiple_times ... ok [INFO] [stdout] test semver_store_tests::get_minor_wildcard ... ok [INFO] [stdout] test semver_store_tests::delete_major_wildcard_shortcut ... ok [INFO] [stdout] test semver_store_tests::not_found ... ok [INFO] [stdout] test semver_store_tests::store_has_key ... ok [INFO] [stdout] test semver_store_tests::delete_stored_values ... ok [INFO] [stdout] test semver_store_tests::store_a_string ... ok [INFO] [stdout] test semver_store_tests::store_multiple_values_and_multiple_prefixes ... ok [INFO] [stderr] Doc-tests semver-store [INFO] [stdout] test semver_store_tests::store_multiple_values ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "abb9fd4d3f65cd3200b6b35bebfc2dce78be2aa638933b67df4f14651dd9ae70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abb9fd4d3f65cd3200b6b35bebfc2dce78be2aa638933b67df4f14651dd9ae70", kill_on_drop: false }` [INFO] [stdout] abb9fd4d3f65cd3200b6b35bebfc2dce78be2aa638933b67df4f14651dd9ae70