[INFO] updating cached repository https://github.com/noname007/leetcode-rust [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] 0cd921992f6a749f136f368ebc88bf94626964ba [INFO] testing noname007/leetcode-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoname007%2Fleetcode-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/noname007/leetcode-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/noname007/leetcode-rust [INFO] finished tweaking git repo https://github.com/noname007/leetcode-rust [INFO] tweaked toml for git repo https://github.com/noname007/leetcode-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/noname007/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4be752177094d55ff6fb9d7eafa5ecf2db1be4051bb0d78399a25e41a6940574 [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" "4be752177094d55ff6fb9d7eafa5ecf2db1be4051bb0d78399a25e41a6940574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4be752177094d55ff6fb9d7eafa5ecf2db1be4051bb0d78399a25e41a6940574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4be752177094d55ff6fb9d7eafa5ecf2db1be4051bb0d78399a25e41a6940574", kill_on_drop: false }` [INFO] [stdout] 4be752177094d55ff6fb9d7eafa5ecf2db1be4051bb0d78399a25e41a6940574 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a3d8d0101a251be8048777c7a87bbf509e7672e8d0c14352601abc41684df48 [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" "5a3d8d0101a251be8048777c7a87bbf509e7672e8d0c14352601abc41684df48", kill_on_drop: false }` [INFO] [stderr] Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/leetcode7.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let i = 100_i8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> src/leetcode7.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn reverse(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "5a3d8d0101a251be8048777c7a87bbf509e7672e8d0c14352601abc41684df48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a3d8d0101a251be8048777c7a87bbf509e7672e8d0c14352601abc41684df48", kill_on_drop: false }` [INFO] [stdout] 5a3d8d0101a251be8048777c7a87bbf509e7672e8d0c14352601abc41684df48 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4211bb56a87ec3cee0748529511953dc7e659b29e6a430f8a36e7996bc1dc33d [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" "4211bb56a87ec3cee0748529511953dc7e659b29e6a430f8a36e7996bc1dc33d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/leetcode7.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let i = 100_i8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> src/leetcode7.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn reverse(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "4211bb56a87ec3cee0748529511953dc7e659b29e6a430f8a36e7996bc1dc33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4211bb56a87ec3cee0748529511953dc7e659b29e6a430f8a36e7996bc1dc33d", kill_on_drop: false }` [INFO] [stdout] 4211bb56a87ec3cee0748529511953dc7e659b29e6a430f8a36e7996bc1dc33d [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 1ff3f1a7c3669fb9031d461546d87fd4243cf19e90636fe33f00a5d9c87310dc [INFO] running `Command { std: "docker" "start" "-a" "1ff3f1a7c3669fb9031d461546d87fd4243cf19e90636fe33f00a5d9c87310dc", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/leetcode7.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let i = 100_i8; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reverse` [INFO] [stderr] --> src/leetcode7.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn reverse(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_leetcode-37ba3e1543821608 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1ff3f1a7c3669fb9031d461546d87fd4243cf19e90636fe33f00a5d9c87310dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ff3f1a7c3669fb9031d461546d87fd4243cf19e90636fe33f00a5d9c87310dc", kill_on_drop: false }` [INFO] [stdout] 1ff3f1a7c3669fb9031d461546d87fd4243cf19e90636fe33f00a5d9c87310dc