[INFO] cloning repository https://github.com/arnasjozonis/lz78 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnasjozonis/lz78" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnasjozonis%2Flz78", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnasjozonis%2Flz78'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 873537bb7077881db9baf4021864d7a785efaa24 [INFO] testing arnasjozonis/lz78 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnasjozonis%2Flz78" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arnasjozonis/lz78 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 9676dcf6fa83e4290ea436f0241b2d126f8cf98f5ffa006037ab7e4145dcebd8 [INFO] running `Command { std: "docker" "start" "-a" "9676dcf6fa83e4290ea436f0241b2d126f8cf98f5ffa006037ab7e4145dcebd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9676dcf6fa83e4290ea436f0241b2d126f8cf98f5ffa006037ab7e4145dcebd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9676dcf6fa83e4290ea436f0241b2d126f8cf98f5ffa006037ab7e4145dcebd8", kill_on_drop: false }` [INFO] [stdout] 9676dcf6fa83e4290ea436f0241b2d126f8cf98f5ffa006037ab7e4145dcebd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54f4c060aab0c0903a1838a2a13f9f2abc64e80934d862c23c05ec46575ff7d0 [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" "54f4c060aab0c0903a1838a2a13f9f2abc64e80934d862c23c05ec46575ff7d0", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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: 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs 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 1.39s [INFO] running `Command { std: "docker" "inspect" "54f4c060aab0c0903a1838a2a13f9f2abc64e80934d862c23c05ec46575ff7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f4c060aab0c0903a1838a2a13f9f2abc64e80934d862c23c05ec46575ff7d0", kill_on_drop: false }` [INFO] [stdout] 54f4c060aab0c0903a1838a2a13f9f2abc64e80934d862c23c05ec46575ff7d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", 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] bbb6d46e4571c1299172ba96c902a2cc1fd7e52036593f8de3bb08bc49e6e3e8 [INFO] running `Command { std: "docker" "start" "-a" "bbb6d46e4571c1299172ba96c902a2cc1fd7e52036593f8de3bb08bc49e6e3e8", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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: 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs 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 1.10s [INFO] running `Command { std: "docker" "inspect" "bbb6d46e4571c1299172ba96c902a2cc1fd7e52036593f8de3bb08bc49e6e3e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbb6d46e4571c1299172ba96c902a2cc1fd7e52036593f8de3bb08bc49e6e3e8", kill_on_drop: false }` [INFO] [stdout] bbb6d46e4571c1299172ba96c902a2cc1fd7e52036593f8de3bb08bc49e6e3e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e0fcd261200c4f051b05775855cf41ff1ce5dad091959b98eafc7c791388bf45 [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" "e0fcd261200c4f051b05775855cf41ff1ce5dad091959b98eafc7c791388bf45", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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: 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [INFO] [stderr] | mutable borrow occurs 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: `lz78` (bin "lz78" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lz78-3506151b8b71a841) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_log2 ... ok [INFO] [stdout] test tests::test_adding_node ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e0fcd261200c4f051b05775855cf41ff1ce5dad091959b98eafc7c791388bf45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0fcd261200c4f051b05775855cf41ff1ce5dad091959b98eafc7c791388bf45", kill_on_drop: false }` [INFO] [stdout] e0fcd261200c4f051b05775855cf41ff1ce5dad091959b98eafc7c791388bf45