[INFO] cloning repository https://github.com/FrankYang4/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankYang4/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17008ef4e40720b3cc35879685621cb06d8b553b [INFO] checking FrankYang4/learning-rust/17008ef4e40720b3cc35879685621cb06d8b553b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FrankYang4/learning-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FrankYang4/learning-rust [INFO] finished tweaking git repo https://github.com/FrankYang4/learning-rust [INFO] tweaked toml for git repo https://github.com/FrankYang4/learning-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FrankYang4/learning-rust 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6306237d4859d5669cc6ea9badda9e1c2d2c7656b083f0b785ba8e425aa8248c [INFO] running `Command { std: "docker" "start" "-a" "6306237d4859d5669cc6ea9badda9e1c2d2c7656b083f0b785ba8e425aa8248c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6306237d4859d5669cc6ea9badda9e1c2d2c7656b083f0b785ba8e425aa8248c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6306237d4859d5669cc6ea9badda9e1c2d2c7656b083f0b785ba8e425aa8248c", kill_on_drop: false }` [INFO] [stdout] 6306237d4859d5669cc6ea9badda9e1c2d2c7656b083f0b785ba8e425aa8248c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9007e3d0c2b89713c36bcd2a98d563d3f39f4011f367d6f36912a15a0979d0e [INFO] running `Command { std: "docker" "start" "-a" "b9007e3d0c2b89713c36bcd2a98d563d3f39f4011f367d6f36912a15a0979d0e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> examples/boxes.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | let boxed = Some(box 5); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 3 | let boxed = Some(Box::new(5)); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> examples/for_loop.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0...10 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0..10 { [INFO] [stdout] | ~~ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0..=10 { [INFO] [stdout] | ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> examples/boxes.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> examples/array.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1...2]); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1..2]); [INFO] [stdout] | ~~ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1..=2]); [INFO] [stdout] | ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/for_loop.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/array.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> examples/traits.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | fn sub(&self, Number) -> i32; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Number` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> examples/traits.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn add(&self, Number) -> i32; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Number` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> examples/match_pattern.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | d @ 1...5 => println!("weekday {}", d), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sub` is never used [INFO] [stdout] --> examples/traits.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Sub { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learning_rust` (example "boxes") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `learning_rust` (example "array") due to 2 previous errors; 1 warning emitted [INFO] [stderr] error: could not compile `learning_rust` (example "for_loop") due to 2 previous errors; 1 warning emitted [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/vec.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut v5 = &mut v4; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b9007e3d0c2b89713c36bcd2a98d563d3f39f4011f367d6f36912a15a0979d0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9007e3d0c2b89713c36bcd2a98d563d3f39f4011f367d6f36912a15a0979d0e", kill_on_drop: false }` [INFO] [stdout] b9007e3d0c2b89713c36bcd2a98d563d3f39f4011f367d6f36912a15a0979d0e