[INFO] cloning repository https://github.com/SakhnevichKirill/rust_exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SakhnevichKirill/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSakhnevichKirill%2Frust_exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSakhnevichKirill%2Frust_exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ceba1f94f03eebdaeb858f787b457c02bdbc43b [INFO] checking SakhnevichKirill/rust_exercises against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSakhnevichKirill%2Frust_exercises" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SakhnevichKirill/rust_exercises on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SakhnevichKirill/rust_exercises [INFO] finished tweaking git repo https://github.com/SakhnevichKirill/rust_exercises [INFO] tweaked toml for git repo https://github.com/SakhnevichKirill/rust_exercises written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SakhnevichKirill/rust_exercises 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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking SakhnevichKirill/rust_exercises against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSakhnevichKirill%2Frust_exercises" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SakhnevichKirill/rust_exercises on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SakhnevichKirill/rust_exercises [INFO] finished tweaking git repo https://github.com/SakhnevichKirill/rust_exercises [INFO] tweaked toml for git repo https://github.com/SakhnevichKirill/rust_exercises written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SakhnevichKirill/rust_exercises 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 886d3355bfb7e44c89126475f61f0f89680a15994cb84bc3b966274cc7348f9d [INFO] running `Command { std: "docker" "start" "-a" "886d3355bfb7e44c89126475f61f0f89680a15994cb84bc3b966274cc7348f9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "886d3355bfb7e44c89126475f61f0f89680a15994cb84bc3b966274cc7348f9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "886d3355bfb7e44c89126475f61f0f89680a15994cb84bc3b966274cc7348f9d", kill_on_drop: false }` [INFO] [stdout] 886d3355bfb7e44c89126475f61f0f89680a15994cb84bc3b966274cc7348f9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51410ec9b9f053e87e3ab5fcc66eb5db6eb3bcd2bd4e67436b55d5485cc7f914 [INFO] running `Command { std: "docker" "start" "-a" "51410ec9b9f053e87e3ab5fcc66eb5db6eb3bcd2bd4e67436b55d5485cc7f914", kill_on_drop: false }` [INFO] [stderr] Checking rectangle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `calc_average` is never used [INFO] [stdout] --> src/ch8/task1.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn calc_average(numbers: &Vec) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calc_median` is never used [INFO] [stdout] --> src/ch8/task1.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn calc_median(numbers: &mut Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calc_mode` is never used [INFO] [stdout] --> src/ch8/task1.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn calc_mode(numbers: &Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test1` is never used [INFO] [stdout] --> src/ch8/task1.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn test1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pig_latin` is never used [INFO] [stdout] --> src/ch8/task2.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn pig_latin(word: &str) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SliceDisplay` is never constructed [INFO] [stdout] --> src/ch8/task3.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct SliceDisplay<'a, T: 'a>(&'a [T]); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test3` is never used [INFO] [stdout] --> src/ch8/task3.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn test3() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Command` is never used [INFO] [stdout] --> src/ch8/task3.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | enum Command { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_input` is never used [INFO] [stdout] --> src/ch8/task3.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl Command { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 73 | fn from_input(s: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/ch8/mod_struct.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `area` and `can_hold` are never used [INFO] [stdout] --> src/ch8/mod_struct.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 7 | impl Rectangle { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 8 | pub(crate) fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub(crate) fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsState` is never used [INFO] [stdout] --> src/ch8/mod_struct.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum UsState { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin` is never used [INFO] [stdout] --> src/ch8/mod_struct.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents` is never used [INFO] [stdout] --> src/ch8/mod_struct.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/ch8/mod_struct.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test1` is never used [INFO] [stdout] --> src/ch8/mod_struct.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn test1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SliceDisplay` is never constructed [INFO] [stdout] --> src/ch8/task3.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct SliceDisplay<'a, T: 'a>(&'a [T]); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test3` is never used [INFO] [stdout] --> src/ch8/task3.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn test3() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Command` is never used [INFO] [stdout] --> src/ch8/task3.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | enum Command { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_input` is never used [INFO] [stdout] --> src/ch8/task3.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl Command { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 73 | fn from_input(s: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/ch8/mod_struct.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 18 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/ch8/mod_struct.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 23 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 25 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "51410ec9b9f053e87e3ab5fcc66eb5db6eb3bcd2bd4e67436b55d5485cc7f914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51410ec9b9f053e87e3ab5fcc66eb5db6eb3bcd2bd4e67436b55d5485cc7f914", kill_on_drop: false }` [INFO] [stdout] 51410ec9b9f053e87e3ab5fcc66eb5db6eb3bcd2bd4e67436b55d5485cc7f914