[INFO] fetching crate semver-store 0.2.0... [INFO] testing semver-store-0.2.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate semver-store 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate semver-store 0.2.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 899e907d62716c87aaa960e2d573dc4bf3ccae1e0000bbb07293c10f9d5eefc8 [INFO] running `Command { std: "docker" "start" "-a" "899e907d62716c87aaa960e2d573dc4bf3ccae1e0000bbb07293c10f9d5eefc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "899e907d62716c87aaa960e2d573dc4bf3ccae1e0000bbb07293c10f9d5eefc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "899e907d62716c87aaa960e2d573dc4bf3ccae1e0000bbb07293c10f9d5eefc8", kill_on_drop: false }` [INFO] [stdout] 899e907d62716c87aaa960e2d573dc4bf3ccae1e0000bbb07293c10f9d5eefc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a44bb00fd721b5dcd2ddede988e4f93aa43114e1e85cfa928d6380cc4feae937 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a44bb00fd721b5dcd2ddede988e4f93aa43114e1e85cfa928d6380cc4feae937", 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 0.37s [INFO] running `Command { std: "docker" "inspect" "a44bb00fd721b5dcd2ddede988e4f93aa43114e1e85cfa928d6380cc4feae937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a44bb00fd721b5dcd2ddede988e4f93aa43114e1e85cfa928d6380cc4feae937", kill_on_drop: false }` [INFO] [stdout] a44bb00fd721b5dcd2ddede988e4f93aa43114e1e85cfa928d6380cc4feae937 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddd26739f9d480336ab2a357f3239e6eb243779baf4297e8899392f8713c15d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ddd26739f9d480336ab2a357f3239e6eb243779baf4297e8899392f8713c15d1", 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 1.65s [INFO] running `Command { std: "docker" "inspect" "ddd26739f9d480336ab2a357f3239e6eb243779baf4297e8899392f8713c15d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddd26739f9d480336ab2a357f3239e6eb243779baf4297e8899392f8713c15d1", kill_on_drop: false }` [INFO] [stdout] ddd26739f9d480336ab2a357f3239e6eb243779baf4297e8899392f8713c15d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8fbd116d8c5641fc6a24d5f77539f02363837d17ca4a0a93f85e53ecbd38b956 [INFO] running `Command { std: "docker" "start" "-a" "8fbd116d8c5641fc6a24d5f77539f02363837d17ca4a0a93f85e53ecbd38b956", 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: 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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/semver_store-6cb1087177c5e00e [INFO] [stdout] running 18 tests [INFO] [stderr] Doc-tests semver-store [INFO] [stdout] test node::node_tests::add_a_child ... ok [INFO] [stdout] test node::node_tests::get_the_max_child ... ok [INFO] [stdout] test node::node_tests::remove_a_child ... 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::delete_major_wildcard_shortcut ... ok [INFO] [stdout] test node::node_tests::add_a_child_multiple_times ... ok [INFO] [stdout] test semver_store_tests::delete_minor_wildcard_shortcut ... 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::create_a_store ... ok [INFO] [stdout] test node::node_tests::create_a_node ... ok [INFO] [stdout] test node::node_tests::add_child_to_child ... ok [INFO] [stdout] test semver_store_tests::get_minor_wildcard ... 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 0.01s [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" "8fbd116d8c5641fc6a24d5f77539f02363837d17ca4a0a93f85e53ecbd38b956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fbd116d8c5641fc6a24d5f77539f02363837d17ca4a0a93f85e53ecbd38b956", kill_on_drop: false }` [INFO] [stdout] 8fbd116d8c5641fc6a24d5f77539f02363837d17ca4a0a93f85e53ecbd38b956