[INFO] cloning repository https://github.com/htoopyaelinn56/rust_book_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/htoopyaelinn56/rust_book_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtoopyaelinn56%2Frust_book_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtoopyaelinn56%2Frust_book_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61e0bff5d8f9949cea46e9b27168fc6c95b9be2a [INFO] checking htoopyaelinn56/rust_book_practice against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtoopyaelinn56%2Frust_book_practice" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/htoopyaelinn56/rust_book_practice on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/htoopyaelinn56/rust_book_practice [INFO] finished tweaking git repo https://github.com/htoopyaelinn56/rust_book_practice [INFO] tweaked toml for git repo https://github.com/htoopyaelinn56/rust_book_practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/htoopyaelinn56/rust_book_practice 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bdeb6f56d541f7a79880d2a19eec6b90121d07736d02b1875ce02afe5add8e24 [INFO] running `Command { std: "docker" "start" "-a" "bdeb6f56d541f7a79880d2a19eec6b90121d07736d02b1875ce02afe5add8e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bdeb6f56d541f7a79880d2a19eec6b90121d07736d02b1875ce02afe5add8e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdeb6f56d541f7a79880d2a19eec6b90121d07736d02b1875ce02afe5add8e24", kill_on_drop: false }` [INFO] [stdout] bdeb6f56d541f7a79880d2a19eec6b90121d07736d02b1875ce02afe5add8e24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed027e004b16e2499c5fdbbd3ed554603de9c7a7149274f8f3892f9c8937caa3 [INFO] running `Command { std: "docker" "start" "-a" "ed027e004b16e2499c5fdbbd3ed554603de9c7a7149274f8f3892f9c8937caa3", kill_on_drop: false }` [INFO] [stderr] Checking rust_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/vector_test.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | /// println!("{borrowed}"); <- occurs compile time error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | / for i in &mut v { [INFO] [stdout] 23 | | *i *= -1; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/error_handling_test.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ErrorKind, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/trait_test.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/vector_test.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | /// println!("{borrowed}"); <- occurs compile time error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | / for i in &mut v { [INFO] [stdout] 23 | | *i *= -1; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/error_handling_test.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ErrorKind, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | mod error_handling_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/trait_test.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | mod trait_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/tuple_test.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let x = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership_test.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut text = String::from("hello world"); [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: unused variable: `x` [INFO] [stdout] --> src/tuple_test.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let x = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership_test.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut text = String::from("hello world"); [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: unused variable: `square` [INFO] [stdout] --> src/struct_test_2.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let square = Rectangle::square(30); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `square` [INFO] [stdout] --> src/struct_test_2.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let square = Rectangle::square(30); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enum_test.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let home = IpAddr::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enum_test.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enum_test.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let home = IpAddr::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enum_test.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/enum_test.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let m = Message::Move { x: 1, y: 2 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/enum_test.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_char` [INFO] [stdout] --> src/enum_test.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let some_char = Some('e'); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_test` (bin "rust_test"); 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/b32fc44666c052e7cf07ab471bfb6f9ec571902f/bin/rustc --crate-name rust_test --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=b3603aacbd6d1d24 -C extra-filename=-4d79123e01f1252a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust_test` (bin "rust_test" test); 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/b32fc44666c052e7cf07ab471bfb6f9ec571902f/bin/rustc --crate-name rust_test --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e047af3ec49205a7 -C extra-filename=-016e64dfd5482cdb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0) [INFO] running `Command { std: "docker" "inspect" "ed027e004b16e2499c5fdbbd3ed554603de9c7a7149274f8f3892f9c8937caa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed027e004b16e2499c5fdbbd3ed554603de9c7a7149274f8f3892f9c8937caa3", kill_on_drop: false }` [INFO] [stdout] ed027e004b16e2499c5fdbbd3ed554603de9c7a7149274f8f3892f9c8937caa3