[INFO] updating cached repository https://github.com/arnasjozonis/lz78 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 873537bb7077881db9baf4021864d7a785efaa24 [INFO] testing arnasjozonis/lz78 against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnasjozonis%2Flz78" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arnasjozonis/lz78 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/arnasjozonis/lz78 [INFO] finished tweaking git repo https://github.com/arnasjozonis/lz78 [INFO] tweaked toml for git repo https://github.com/arnasjozonis/lz78 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/arnasjozonis/lz78 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] a133127f6f1998d550806bea325d410e2ec428546b5c6f5dee9c5b3f7e6d752f [INFO] running `Command { std: "docker" "start" "-a" "a133127f6f1998d550806bea325d410e2ec428546b5c6f5dee9c5b3f7e6d752f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a133127f6f1998d550806bea325d410e2ec428546b5c6f5dee9c5b3f7e6d752f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a133127f6f1998d550806bea325d410e2ec428546b5c6f5dee9c5b3f7e6d752f", kill_on_drop: false }` [INFO] [stdout] a133127f6f1998d550806bea325d410e2ec428546b5c6f5dee9c5b3f7e6d752f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b95970a4c2939400c901c5c8638788859d3e99c829d9889b215b8f31cf408ec2 [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" "b95970a4c2939400c901c5c8638788859d3e99c829d9889b215b8f31cf408ec2", kill_on_drop: false }` [INFO] [stderr] Compiling bitbit v0.2.0 [INFO] [stderr] Compiling lz78 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 135 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 136 | dict.add_node(current_node.value, parent.index); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used 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: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 171 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 172 | dict.add_node(current_node.value, parent.index); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used here [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "b95970a4c2939400c901c5c8638788859d3e99c829d9889b215b8f31cf408ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b95970a4c2939400c901c5c8638788859d3e99c829d9889b215b8f31cf408ec2", kill_on_drop: false }` [INFO] [stdout] b95970a4c2939400c901c5c8638788859d3e99c829d9889b215b8f31cf408ec2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6f9ed1b931bf784d474e0ac5b8ade8a5429edd7899f72f7a496f890d48ad4fe [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" "d6f9ed1b931bf784d474e0ac5b8ade8a5429edd7899f72f7a496f890d48ad4fe", kill_on_drop: false }` [INFO] [stderr] Compiling lz78 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 135 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 136 | dict.add_node(current_node.value, parent.index); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used 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: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 171 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 172 | dict.add_node(current_node.value, parent.index); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used here [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "d6f9ed1b931bf784d474e0ac5b8ade8a5429edd7899f72f7a496f890d48ad4fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6f9ed1b931bf784d474e0ac5b8ade8a5429edd7899f72f7a496f890d48ad4fe", kill_on_drop: false }` [INFO] [stdout] d6f9ed1b931bf784d474e0ac5b8ade8a5429edd7899f72f7a496f890d48ad4fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 22cdc04c16947530a78ee7016a98465494983d4488384aeb17f18f53e1fb1908 [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" "22cdc04c16947530a78ee7016a98465494983d4488384aeb17f18f53e1fb1908", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 135 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stderr] | ---------- immutable borrow occurs here [INFO] [stderr] 136 | dict.add_node(current_node.value, parent.index); [INFO] [stderr] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used 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: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 171 | let parent = dict.nodes.get(current_node.parent_node).unwrap(); [INFO] [stderr] | ---------- immutable borrow occurs here [INFO] [stderr] 172 | dict.add_node(current_node.value, parent.index); [INFO] [stderr] | ^^^^ mutable borrow occurs here ------------ immutable borrow later used here [INFO] [stderr] | [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lz78-dbd40fd2657dc4b5 [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_adding_node ... ok [INFO] [stdout] test tests::test_log2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "22cdc04c16947530a78ee7016a98465494983d4488384aeb17f18f53e1fb1908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22cdc04c16947530a78ee7016a98465494983d4488384aeb17f18f53e1fb1908", kill_on_drop: false }` [INFO] [stdout] 22cdc04c16947530a78ee7016a98465494983d4488384aeb17f18f53e1fb1908