[INFO] cloning repository https://github.com/withoutboats/guessing_game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/withoutboats/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game/objects/pack: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/withoutboats/guessing_game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/withoutboats/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/withoutboats/guessing_game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/withoutboats/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba0cad9d5e9e3b2caedfa6ac6d4826c518280862 [INFO] building withoutboats/guessing_game against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithoutboats%2Fguessing_game" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/withoutboats/guessing_game on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/withoutboats/guessing_game [INFO] finished tweaking git repo https://github.com/withoutboats/guessing_game [INFO] tweaked toml for git repo https://github.com/withoutboats/guessing_game written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/withoutboats/guessing_game 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f7a604d02b8a399f3b5c17969b5a63850dc139adc4f36203fa6bd0a91e0d209 [INFO] running `Command { std: "docker" "start" "-a" "1f7a604d02b8a399f3b5c17969b5a63850dc139adc4f36203fa6bd0a91e0d209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f7a604d02b8a399f3b5c17969b5a63850dc139adc4f36203fa6bd0a91e0d209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f7a604d02b8a399f3b5c17969b5a63850dc139adc4f36203fa6bd0a91e0d209", kill_on_drop: false }` [INFO] [stdout] 1f7a604d02b8a399f3b5c17969b5a63850dc139adc4f36203fa6bd0a91e0d209 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30808d966b5861b89d096ee49853301244e6aea94e4f43ab23f7de95050f71f3 [INFO] running `Command { std: "docker" "start" "-a" "30808d966b5861b89d096ee49853301244e6aea94e4f43ab23f7de95050f71f3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `secret` [INFO] [stdout] --> src/secret_number/mod.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(secret: u16) -> Secret { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess` [INFO] [stdout] --> src/secret_number/mod.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn guess(&self, guess: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/secret_number/mod.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 36 | fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Secret` is never constructed [INFO] [stdout] --> src/secret_number/mod.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Secret { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `random`, `new`, `guess`, and `secret` are never used [INFO] [stdout] --> src/secret_number/mod.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Secret { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | pub fn random() -> Secret { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn new(secret: u16) -> Secret { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn guess(&self, guess: &str) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn secret(&self) -> u16 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `TooHigh`, `TooLow`, and `NotANumber` are never constructed [INFO] [stdout] --> src/secret_number/mod.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub enum GuessError { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 30 | TooHigh(u16), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 31 | TooLow(u16), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 32 | NotANumber, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GuessError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "30808d966b5861b89d096ee49853301244e6aea94e4f43ab23f7de95050f71f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30808d966b5861b89d096ee49853301244e6aea94e4f43ab23f7de95050f71f3", kill_on_drop: false }` [INFO] [stdout] 30808d966b5861b89d096ee49853301244e6aea94e4f43ab23f7de95050f71f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e7765f85f20b1e43984ad9f0299fd265bf11a20a2a38da2dd6fdc2e17c9e00e [INFO] running `Command { std: "docker" "start" "-a" "9e7765f85f20b1e43984ad9f0299fd265bf11a20a2a38da2dd6fdc2e17c9e00e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut secret = Secret::new(0); [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: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut secret = Secret::new(0); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let mut secret = Secret::new(1); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut secret = Secret::new(0); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let mut secret = Secret::new(1); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut secret = Secret::new(0); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/secret_number/tests.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut secret = Secret::new(0); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secret` [INFO] [stdout] --> src/secret_number/mod.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(secret: u16) -> Secret { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess` [INFO] [stdout] --> src/secret_number/mod.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn guess(&self, guess: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/secret_number/mod.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 36 | fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "9e7765f85f20b1e43984ad9f0299fd265bf11a20a2a38da2dd6fdc2e17c9e00e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e7765f85f20b1e43984ad9f0299fd265bf11a20a2a38da2dd6fdc2e17c9e00e", kill_on_drop: false }` [INFO] [stdout] 9e7765f85f20b1e43984ad9f0299fd265bf11a20a2a38da2dd6fdc2e17c9e00e