[INFO] cloning repository https://github.com/takahiromitsui/Rust_Self_Learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takahiromitsui/Rust_Self_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakahiromitsui%2FRust_Self_Learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakahiromitsui%2FRust_Self_Learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f98118a65df605158a92d43e3cfa683115a2ea77 [INFO] checking takahiromitsui/Rust_Self_Learning against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakahiromitsui%2FRust_Self_Learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takahiromitsui/Rust_Self_Learning on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takahiromitsui/Rust_Self_Learning [INFO] finished tweaking git repo https://github.com/takahiromitsui/Rust_Self_Learning [INFO] tweaked toml for git repo https://github.com/takahiromitsui/Rust_Self_Learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/takahiromitsui/Rust_Self_Learning 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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 takahiromitsui/Rust_Self_Learning against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakahiromitsui%2FRust_Self_Learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takahiromitsui/Rust_Self_Learning on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takahiromitsui/Rust_Self_Learning [INFO] finished tweaking git repo https://github.com/takahiromitsui/Rust_Self_Learning [INFO] tweaked toml for git repo https://github.com/takahiromitsui/Rust_Self_Learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/takahiromitsui/Rust_Self_Learning 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d209cc1c7b74ff5d59355b3aee42a9c7cea8781638484fa4bd9320661df405ec [INFO] running `Command { std: "docker" "start" "-a" "d209cc1c7b74ff5d59355b3aee42a9c7cea8781638484fa4bd9320661df405ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d209cc1c7b74ff5d59355b3aee42a9c7cea8781638484fa4bd9320661df405ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d209cc1c7b74ff5d59355b3aee42a9c7cea8781638484fa4bd9320661df405ec", kill_on_drop: false }` [INFO] [stdout] d209cc1c7b74ff5d59355b3aee42a9c7cea8781638484fa4bd9320661df405ec [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f7065b5aa598ed9d983f35ced58a517f11aadc54cb75e482c6f164f3a6842e8 [INFO] running `Command { std: "docker" "start" "-a" "6f7065b5aa598ed9d983f35ced58a517f11aadc54cb75e482c6f164f3a6842e8", kill_on_drop: false }` [INFO] [stderr] Checking unicode-segmentation v1.10.0 [INFO] [stderr] Checking rust-self-learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `seasonal_fruit` is never read [INFO] [stdout] --> src/lib.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Breakfast { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 15 | pub toast: String, [INFO] [stdout] 16 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `seasonal_fruit` is never read [INFO] [stdout] --> src/lib.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Breakfast { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 15 | pub toast: String, [INFO] [stdout] 16 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File` and `Read` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | fs::{self, File}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | io::{self, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File` and `Read` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | fs::{self, File}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | io::{self, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Quarter` are never constructed [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 31 | Penny, [INFO] [stdout] 32 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 33 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | Quarter, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Warn`, `Info`, `Http`, `VERBOSE`, `Debug`, and `Silly` are never constructed [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | enum WinstonLevel { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 38 | Error, [INFO] [stdout] 39 | Warn, [INFO] [stdout] | ^^^^ [INFO] [stdout] 40 | Info, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | Http, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | VERBOSE, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 43 | Debug, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 44 | Silly, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Quarter` are never constructed [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 31 | Penny, [INFO] [stdout] 32 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 33 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | Quarter, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Warn`, `Info`, `Http`, `VERBOSE`, `Debug`, and `Silly` are never constructed [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | enum WinstonLevel { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 38 | Error, [INFO] [stdout] 39 | Warn, [INFO] [stdout] | ^^^^ [INFO] [stdout] 40 | Info, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | Http, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | VERBOSE, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 43 | Debug, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 44 | Silly, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 99 - Int(i32), [INFO] [stdout] 99 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:100:15 [INFO] [stdout] | [INFO] [stdout] 100 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 100 - Float(f64), [INFO] [stdout] 100 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "6f7065b5aa598ed9d983f35ced58a517f11aadc54cb75e482c6f164f3a6842e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f7065b5aa598ed9d983f35ced58a517f11aadc54cb75e482c6f164f3a6842e8", kill_on_drop: false }` [INFO] [stdout] 6f7065b5aa598ed9d983f35ced58a517f11aadc54cb75e482c6f164f3a6842e8