[INFO] cloning repository https://github.com/tonystr/leet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonystr/leet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec5492fa2c94abeaa03a253efc6603eb66fdca5f [INFO] checking tonystr/leet against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tonystr/leet [INFO] finished tweaking git repo https://github.com/tonystr/leet [INFO] tweaked toml for git repo https://github.com/tonystr/leet written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tonystr/leet on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tonystr/leet already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking tonystr/leet against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tonystr/leet [INFO] finished tweaking git repo https://github.com/tonystr/leet [INFO] tweaked toml for git repo https://github.com/tonystr/leet written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tonystr/leet on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tonystr/leet already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 872fe157f3ced0f80ca2380051fcf0376f11d7bba1c30cb51cf073ee72c19515 [INFO] running `Command { std: "docker" "start" "-a" "872fe157f3ced0f80ca2380051fcf0376f11d7bba1c30cb51cf073ee72c19515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "872fe157f3ced0f80ca2380051fcf0376f11d7bba1c30cb51cf073ee72c19515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "872fe157f3ced0f80ca2380051fcf0376f11d7bba1c30cb51cf073ee72c19515", kill_on_drop: false }` [INFO] [stdout] 872fe157f3ced0f80ca2380051fcf0376f11d7bba1c30cb51cf073ee72c19515 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad607b0bcbd17916472d3889d9dc62a6920f2f3cc6e9d7a6b87bd5810281f10f [INFO] running `Command { std: "docker" "start" "-a" "ad607b0bcbd17916472d3889d9dc62a6920f2f3cc6e9d7a6b87bd5810281f10f", kill_on_drop: false }` [INFO] [stderr] Checking leet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `two_sum` is never used [INFO] [stdout] --> src/bin/two_sum.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `try_from_vec` are never used [INFO] [stdout] --> src/main.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn try_from_vec(vec: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_two_numbers` is never used [INFO] [stdout] --> src/main.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `try_from_vec` are never used [INFO] [stdout] --> src/bin/add_two_numbers.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn try_from_vec(vec: &Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_two_numbers` is never used [INFO] [stdout] --> src/bin/add_two_numbers.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert` is never used [INFO] [stdout] --> src/bin/zigzag.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn convert(s: String, num_rows: i32) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring` is never used [INFO] [stdout] --> src/bin/longest_substring.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn length_of_longest_substring(string: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_unique_substring` is never used [INFO] [stdout] --> src/bin/longest_substring.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn longest_unique_substring(string: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "ad607b0bcbd17916472d3889d9dc62a6920f2f3cc6e9d7a6b87bd5810281f10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad607b0bcbd17916472d3889d9dc62a6920f2f3cc6e9d7a6b87bd5810281f10f", kill_on_drop: false }` [INFO] [stdout] ad607b0bcbd17916472d3889d9dc62a6920f2f3cc6e9d7a6b87bd5810281f10f