[INFO] cloning repository https://github.com/lshlyapnikov/grokking-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lshlyapnikov/grokking-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5cce67cceb595b89af1df13426ddd9d453c86a06 [INFO] testing lshlyapnikov/grokking-rust against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lshlyapnikov/grokking-rust on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] removed workspace from git repo https://github.com/lshlyapnikov/grokking-rust [INFO] finished tweaking git repo https://github.com/lshlyapnikov/grokking-rust [INFO] tweaked toml for git repo https://github.com/lshlyapnikov/grokking-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/lshlyapnikov/grokking-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04bab71a4aac55e629f8bfc4c5415bff3a006594d63e9e05dfaeaae049f72184 [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" "04bab71a4aac55e629f8bfc4c5415bff3a006594d63e9e05dfaeaae049f72184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04bab71a4aac55e629f8bfc4c5415bff3a006594d63e9e05dfaeaae049f72184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04bab71a4aac55e629f8bfc4c5415bff3a006594d63e9e05dfaeaae049f72184", kill_on_drop: false }` [INFO] [stdout] 04bab71a4aac55e629f8bfc4c5415bff3a006594d63e9e05dfaeaae049f72184 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22488c4510622760fa2b15b49a81b0c2877a96d76acec4ccf019cfd96ba6939e [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" "22488c4510622760fa2b15b49a81b0c2877a96d76acec4ccf019cfd96ba6939e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling quickcheck v0.2.27 [INFO] [stderr] Compiling grokking-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fill` [INFO] [stdout] --> src/grok/waterpouring.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Fill { glass: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Empty` [INFO] [stdout] --> src/grok/waterpouring.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Empty { glass: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Transfer` [INFO] [stdout] --> src/grok/waterpouring.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | Transfer { from: usize, to: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.54s [INFO] running `Command { std: "docker" "inspect" "22488c4510622760fa2b15b49a81b0c2877a96d76acec4ccf019cfd96ba6939e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22488c4510622760fa2b15b49a81b0c2877a96d76acec4ccf019cfd96ba6939e", kill_on_drop: false }` [INFO] [stdout] 22488c4510622760fa2b15b49a81b0c2877a96d76acec4ccf019cfd96ba6939e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a321dc3afce765f19935d97cf189b4a8414c4929b72d6ccadd5587c0b254f117 [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" "a321dc3afce765f19935d97cf189b4a8414c4929b72d6ccadd5587c0b254f117", kill_on_drop: false }` [INFO] [stderr] Compiling grokking-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `volumes` [INFO] [stdout] --> src/grok/waterpouring.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `required_volume` [INFO] [stdout] --> src/grok/waterpouring.rs:39:40 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fill` [INFO] [stdout] --> src/grok/waterpouring.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Fill { glass: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Empty` [INFO] [stdout] --> src/grok/waterpouring.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Empty { glass: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Transfer` [INFO] [stdout] --> src/grok/waterpouring.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | Transfer { from: usize, to: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/grok/waterpouring.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "a321dc3afce765f19935d97cf189b4a8414c4929b72d6ccadd5587c0b254f117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a321dc3afce765f19935d97cf189b4a8414c4929b72d6ccadd5587c0b254f117", kill_on_drop: false }` [INFO] [stdout] a321dc3afce765f19935d97cf189b4a8414c4929b72d6ccadd5587c0b254f117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c0884512c8e6ab0132366aa3d61987d0c572ccecac225e89902797058bbcad80 [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" "c0884512c8e6ab0132366aa3d61987d0c572ccecac225e89902797058bbcad80", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `volumes` [INFO] [stderr] --> src/grok/waterpouring.rs:40:7 [INFO] [stderr] | [INFO] [stderr] 40 | let volumes: Vec = vec![0, max_volumes.len()]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_volumes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `required_volume` [INFO] [stderr] --> src/grok/waterpouring.rs:39:40 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_volume` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Fill` [INFO] [stderr] --> src/grok/waterpouring.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | Fill { glass: usize }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Empty` [INFO] [stderr] --> src/grok/waterpouring.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | Empty { glass: usize }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Transfer` [INFO] [stderr] --> src/grok/waterpouring.rs:7:3 [INFO] [stderr] | [INFO] [stderr] 7 | Transfer { from: usize, to: usize }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `solve` [INFO] [stderr] --> src/grok/waterpouring.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec, required_volume: usize) -> State { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/grokking_rust-dc2e48dfc07c6d45 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_mergesort ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c0884512c8e6ab0132366aa3d61987d0c572ccecac225e89902797058bbcad80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0884512c8e6ab0132366aa3d61987d0c572ccecac225e89902797058bbcad80", kill_on_drop: false }` [INFO] [stdout] c0884512c8e6ab0132366aa3d61987d0c572ccecac225e89902797058bbcad80