[INFO] cloning repository https://github.com/syuni/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syuni/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3f4cf9a5219e47165d823446a761a963ce48beb [INFO] checking syuni/rust-by-example against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syuni/rust-by-example on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/syuni/rust-by-example [INFO] finished tweaking git repo https://github.com/syuni/rust-by-example [INFO] tweaked toml for git repo https://github.com/syuni/rust-by-example written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/syuni/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/source/src/8_2_4.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10e28560ee04dfeb3e46d1f319d74bf21ca1a7a91277c1b7f3ee2b8d625b49bd [INFO] running `Command { std: "docker" "start" "-a" "10e28560ee04dfeb3e46d1f319d74bf21ca1a7a91277c1b7f3ee2b8d625b49bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10e28560ee04dfeb3e46d1f319d74bf21ca1a7a91277c1b7f3ee2b8d625b49bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10e28560ee04dfeb3e46d1f319d74bf21ca1a7a91277c1b7f3ee2b8d625b49bd", kill_on_drop: false }` [INFO] [stdout] 10e28560ee04dfeb3e46d1f319d74bf21ca1a7a91277c1b7f3ee2b8d625b49bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b0785a317b2bcbb53c6bea2e23919363a76aaa6d49f04f5ce83dda6fda9a942 [INFO] running `Command { std: "docker" "start" "-a" "5b0785a317b2bcbb53c6bea2e23919363a76aaa6d49f04f5ce83dda6fda9a942", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/8_2_4.rs [INFO] [stderr] Checking rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/8_2_6_2.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | array2.into_iter().find(|&&x| x == 2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 23 | array2.iter().find(|&&x| x == 2) [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 23 | IntoIterator::into_iter(array2).find(|&&x| x == 2) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/17_1.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | x: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/17_1.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | y: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/18_4_1.rs:14:61 [INFO] [stdout] | [INFO] [stdout] 14 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/18_4_1.rs:21:61 [INFO] [stdout] | [INFO] [stdout] 21 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `}` [INFO] [stdout] --> src/14_4_6.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | println!("{} is the first", choose_first(&first, &second)): [INFO] [stdout] | - help: try using a semicolon: `;` [INFO] [stdout] 21 | }; [INFO] [stdout] | ^ expected type [INFO] [stdout] | [INFO] [stdout] = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `: ` [INFO] [stdout] = note: see issue #23416 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Structure` [INFO] [stdout] --> src/1_2.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | struct Structure(i32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-by-example` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/17_5_1.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!(match why { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 49 | | MathError::NegativeLogarithm => "logarithm of negative number", [INFO] [stdout] 50 | | MathError::DivisionByZero => "division by zero", [INFO] [stdout] 51 | | MathError::NegativeSquareRoot => "square root of negative number", [INFO] [stdout] 52 | | }), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!("{}", match why { [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => std::panic::panic_any(match why { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/8_2_6_1.rs:16:40 [INFO] [stdout] | [INFO] [stdout] 16 | println!("2 in array2: {}", array2.into_iter().any(|&x| x == 2)); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 16 | println!("2 in array2: {}", array2.iter().any(|&x| x == 2)); [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 16 | println!("2 in array2: {}", IntoIterator::into_iter(array2).any(|&x| x == 2)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/18_4_2.rs:20:63 [INFO] [stdout] | [INFO] [stdout] 20 | Err(why) => panic!("couldn't create {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/18_4_2.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | Error::description(&why) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/9_4.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `9_4` [INFO] [stdout] --> src/9_4.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use std::ops::{Add, Mul, Sub}; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | macro_rules! assert_equal_len { [INFO] [stdout] 4 | | // `tt`（トークン木）識別子は演算子とトークン用の識別子です。 [INFO] [stdout] ... | [INFO] [stdout] 57 | | test!(sub_assign, 3u32, 2u32, 1u32); [INFO] [stdout] 58 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/9_4.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/17_5_1.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!(match why { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 49 | | MathError::NegativeLogarithm => "logarithm of negative number", [INFO] [stdout] 50 | | MathError::DivisionByZero => "division by zero", [INFO] [stdout] 51 | | MathError::NegativeSquareRoot => "square root of negative number", [INFO] [stdout] 52 | | }), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!("{}", match why { [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => std::panic::panic_any(match why { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5b0785a317b2bcbb53c6bea2e23919363a76aaa6d49f04f5ce83dda6fda9a942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b0785a317b2bcbb53c6bea2e23919363a76aaa6d49f04f5ce83dda6fda9a942", kill_on_drop: false }` [INFO] [stdout] 5b0785a317b2bcbb53c6bea2e23919363a76aaa6d49f04f5ce83dda6fda9a942