[INFO] fetching crate tictactoe 0.1.4... [INFO] checking tictactoe-0.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate tictactoe 0.1.4 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate tictactoe 0.1.4 [INFO] finished tweaking crates.io crate tictactoe 0.1.4 [INFO] tweaked toml for crates.io crate tictactoe 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tictactoe 0.1.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tictactoe 0.1.4 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tui v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de7430bdd14b73bd3af166c258560d311c5740ed9b0b5d087ef6766f7b922523 [INFO] running `Command { std: "docker" "start" "-a" "de7430bdd14b73bd3af166c258560d311c5740ed9b0b5d087ef6766f7b922523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de7430bdd14b73bd3af166c258560d311c5740ed9b0b5d087ef6766f7b922523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de7430bdd14b73bd3af166c258560d311c5740ed9b0b5d087ef6766f7b922523", kill_on_drop: false }` [INFO] [stdout] de7430bdd14b73bd3af166c258560d311c5740ed9b0b5d087ef6766f7b922523 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fcd31df8f9f9319833ea3fbf4dd18900ad0eb8adcebcb79318e393d7b5b7c4c [INFO] running `Command { std: "docker" "start" "-a" "8fcd31df8f9f9319833ea3fbf4dd18900ad0eb8adcebcb79318e393d7b5b7c4c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tui v0.15.0 [INFO] [stderr] Checking tictactoe v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `board` and `rows` are never read [INFO] [stdout] --> src/tictactoe.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct TicTacToe { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 13 | pub board: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | pub arr: Vec, [INFO] [stdout] 15 | pub rows: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TicTacToe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn get(&mut self, num: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | pub fn get(&mut self, num: usize) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn turn(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 89 | pub fn turn(&mut self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:150:23 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pretty_num(&mut self, num: i32, typ: char) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pretty_num(&mut self, num: i32, typ: char) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `board` and `rows` are never read [INFO] [stdout] --> src/tictactoe.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct TicTacToe { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 13 | pub board: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | pub arr: Vec, [INFO] [stdout] 15 | pub rows: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TicTacToe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn get(&mut self, num: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | pub fn get(&mut self, num: usize) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn turn(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 89 | pub fn turn(&mut self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tictactoe.rs:150:23 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pretty_num(&mut self, num: i32, typ: char) -> Vec { [INFO] [stdout] | ^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pretty_num(&mut self, num: i32, typ: char) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s [INFO] running `Command { std: "docker" "inspect" "8fcd31df8f9f9319833ea3fbf4dd18900ad0eb8adcebcb79318e393d7b5b7c4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fcd31df8f9f9319833ea3fbf4dd18900ad0eb8adcebcb79318e393d7b5b7c4c", kill_on_drop: false }` [INFO] [stdout] 8fcd31df8f9f9319833ea3fbf4dd18900ad0eb8adcebcb79318e393d7b5b7c4c