[INFO] cloning repository https://github.com/jsmall53/lineup_builder_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsmall53/lineup_builder_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmall53%2Flineup_builder_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmall53%2Flineup_builder_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b9e58d8feddfa6f1c7bb9a459e534182759d2ab [INFO] checking jsmall53/lineup_builder_rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmall53%2Flineup_builder_rs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsmall53/lineup_builder_rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsmall53/lineup_builder_rs [INFO] finished tweaking git repo https://github.com/jsmall53/lineup_builder_rs [INFO] tweaked toml for git repo https://github.com/jsmall53/lineup_builder_rs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jsmall53/lineup_builder_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv-core v0.1.5 [INFO] [stderr] Downloaded csv v1.0.7 [INFO] [stderr] Downloaded lp-modeler v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] a18dc533e06e551a00ed971b7b9ed5febfadb2260c8e9c304284152e7ef9dd47 [INFO] running `Command { std: "docker" "start" "-a" "a18dc533e06e551a00ed971b7b9ed5febfadb2260c8e9c304284152e7ef9dd47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a18dc533e06e551a00ed971b7b9ed5febfadb2260c8e9c304284152e7ef9dd47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a18dc533e06e551a00ed971b7b9ed5febfadb2260c8e9c304284152e7ef9dd47", kill_on_drop: false }` [INFO] [stdout] a18dc533e06e551a00ed971b7b9ed5febfadb2260c8e9c304284152e7ef9dd47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--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] f3597a71b75cc942d8b8936a70373e211b4534e30a6a7b66994554fb7f52495e [INFO] running `Command { std: "docker" "start" "-a" "f3597a71b75cc942d8b8936a70373e211b4534e30a6a7b66994554fb7f52495e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking lp-modeler v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking builder v0.1.0 (/tmp/fixit/builder) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> builder/src/builder.rs:155:32 [INFO] [stdout] | [INFO] [stdout] 155 | .collect();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimizer_result_best` [INFO] [stdout] --> builder/src/builder.rs:162:21 [INFO] [stdout] | [INFO] [stdout] 162 | let optimizer_result_best = optimizer.optimize(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimizer_result_best` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> builder/src/contest_reader.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let size: usize = match buf_reader.read_to_string(&mut contents) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> builder/src/lp_optimizer.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | Err(err) => Err(format!("failed to parse variable name to id: {}", variable_name)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> builder/src/slate_reader.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | let mut player = Player { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> builder/src/lp_optimizer.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | self.problem.write_lp("./debug_log/debug.lp"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lineup_builder_rs v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.24s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> builder/src/builder.rs:155:32 [INFO] [stdout] | [INFO] [stdout] 155 | .collect();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimizer_result_best` [INFO] [stdout] --> builder/src/builder.rs:162:21 [INFO] [stdout] | [INFO] [stdout] 162 | let optimizer_result_best = optimizer.optimize(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimizer_result_best` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> builder/src/contest_reader.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let size: usize = match buf_reader.read_to_string(&mut contents) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> builder/src/lp_optimizer.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | Err(err) => Err(format!("failed to parse variable name to id: {}", variable_name)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> builder/src/slate_reader.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | let mut player = Player { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> builder/src/lp_optimizer.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | self.problem.write_lp("./debug_log/debug.lp"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lineup_builder_rs v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "f3597a71b75cc942d8b8936a70373e211b4534e30a6a7b66994554fb7f52495e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3597a71b75cc942d8b8936a70373e211b4534e30a6a7b66994554fb7f52495e", kill_on_drop: false }` [INFO] [stdout] f3597a71b75cc942d8b8936a70373e211b4534e30a6a7b66994554fb7f52495e