[INFO] cloning repository https://github.com/nuomi1/comprehensive-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/nuomi1/comprehensive-rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuomi1%2Fcomprehensive-rust-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuomi1%2Fcomprehensive-rust-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0b116576621f15bebecf4660538afacf496f74a [INFO] checking nuomi1/comprehensive-rust-exercises against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuomi1%2Fcomprehensive-rust-exercises" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nuomi1/comprehensive-rust-exercises on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nuomi1/comprehensive-rust-exercises [INFO] finished tweaking git repo https://github.com/nuomi1/comprehensive-rust-exercises [INFO] tweaked toml for git repo https://github.com/nuomi1/comprehensive-rust-exercises written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nuomi1/comprehensive-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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db1698554579ea0f65752317dffe62e6c73f02d59d016897a127e080bcd7a738 [INFO] running `Command { std: "docker" "start" "-a" "db1698554579ea0f65752317dffe62e6c73f02d59d016897a127e080bcd7a738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db1698554579ea0f65752317dffe62e6c73f02d59d016897a127e080bcd7a738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db1698554579ea0f65752317dffe62e6c73f02d59d016897a127e080bcd7a738", kill_on_drop: false }` [INFO] [stdout] db1698554579ea0f65752317dffe62e6c73f02d59d016897a127e080bcd7a738 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0cefd015f3eebc2791943a3e39b18b027d688717671e79e6d64bf3f72481040 [INFO] running `Command { std: "docker" "start" "-a" "c0cefd015f3eebc2791943a3e39b18b027d688717671e79e6d64bf3f72481040", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.74 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking methods-and-traits v0.1.0 (/opt/rustwide/workdir/src/methods-and-traits) [INFO] [stderr] Checking user-defined-types v0.1.0 (/opt/rustwide/workdir/src/user-defined-types) [INFO] [stderr] Checking tuples-and-arrays v0.1.0 (/opt/rustwide/workdir/src/tuples-and-arrays) [INFO] [stderr] Checking control-flow-basics v0.1.0 (/opt/rustwide/workdir/src/control-flow-basics) [INFO] [stderr] Checking borrowing v0.1.0 (/opt/rustwide/workdir/src/borrowing) [INFO] [stderr] Checking modules v0.1.0 (/opt/rustwide/workdir/src/modules) [INFO] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/src/iterators) [INFO] [stderr] Checking memory-management v0.1.0 (/opt/rustwide/workdir/src/memory-management) [INFO] [stderr] Checking pattern-matching v0.1.0 (/opt/rustwide/workdir/src/pattern-matching) [INFO] [stderr] Checking references v0.1.0 (/opt/rustwide/workdir/src/references) [INFO] [stderr] Checking std-types v0.1.0 (/opt/rustwide/workdir/src/std-types) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | CarArrived(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 4 | CarArrived(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | ButtonPressed(Button), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 7 | ButtonPressed(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Down` is never constructed [INFO] [stdout] --> src/user-defined-types/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum Direction { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 13 | Up, [INFO] [stdout] 14 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | LobbyCall(i32, Direction), [INFO] [stdout] | --------- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 20 | LobbyCall((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | CarFloor(i32), [INFO] [stdout] | -------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 21 | CarFloor(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking std-traits v0.1.0 (/opt/rustwide/workdir/src/std-traits) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | CarArrived(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 4 | CarArrived(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | ButtonPressed(Button), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 7 | ButtonPressed(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Down` is never constructed [INFO] [stdout] --> src/user-defined-types/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum Direction { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 13 | Up, [INFO] [stdout] 14 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | LobbyCall(i32, Direction), [INFO] [stdout] | --------- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 20 | LobbyCall((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/user-defined-types/src/main.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | CarFloor(i32), [INFO] [stdout] | -------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 21 | CarFloor(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `patient_name`, `visit_count`, `height_change`, and `blood_pressure_change` are never read [INFO] [stdout] --> src/borrowing/src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct HealthReport<'a> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 15 | patient_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 16 | visit_count: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 17 | height_change: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 18 | blood_pressure_change: Option<(i32, i32)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/src/generics) [INFO] [stderr] Checking unsafe-rust v0.1.0 (/opt/rustwide/workdir/src/unsafe-rust) [INFO] [stdout] warning: variants `Java` and `Perl` are never constructed [INFO] [stdout] --> src/memory-management/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | enum Language { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 3 | Rust, [INFO] [stdout] 4 | Java, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | Perl, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `version_expression` are never read [INFO] [stdout] --> src/memory-management/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Dependency { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 10 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | version_expression: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dependency` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking types-and-values v0.1.0 (/opt/rustwide/workdir/src/types-and-values) [INFO] [stdout] warning: variants `Java` and `Perl` are never constructed [INFO] [stdout] --> src/memory-management/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | enum Language { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 3 | Rust, [INFO] [stdout] 4 | Java, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | Perl, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `version_expression` are never read [INFO] [stdout] --> src/memory-management/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Dependency { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 10 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | version_expression: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dependency` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height_change` is never read [INFO] [stdout] --> src/borrowing/src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct HealthReport<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | height_change: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking smart-pointers v0.1.0 (/opt/rustwide/workdir/src/smart-pointers) [INFO] [stdout] warning: function `offset_differences` is never used [INFO] [stdout] --> src/iterators/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn offset_differences(offset: usize, values: Vec) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/src/testing) [INFO] [stdout] warning: variants `Add`, `Sub`, and `Div` are never constructed [INFO] [stdout] --> src/pattern-matching/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum Operation { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 4 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] 6 | Mul, [INFO] [stdout] 7 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.46 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `thiserror-impl` (lib) [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/a75eafceea413a1b40c0e0769db85e08ec17160b/bin/rustc --crate-name thiserror_impl --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-1.0.56/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=4f4dff5f1e05ced7 -C extra-filename=-0563484ca91676c5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bf5029375c678cfc.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5072a8ef7fa18873.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-d98150fc073b89f3.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "c0cefd015f3eebc2791943a3e39b18b027d688717671e79e6d64bf3f72481040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0cefd015f3eebc2791943a3e39b18b027d688717671e79e6d64bf3f72481040", kill_on_drop: false }` [INFO] [stdout] c0cefd015f3eebc2791943a3e39b18b027d688717671e79e6d64bf3f72481040