[INFO] cloning repository https://github.com/SarahGreyWolf/JVM-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SarahGreyWolf/JVM-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FJVM-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FJVM-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b813112e3246688f5991fc7884e2dda628e3e6d7 [INFO] building SarahGreyWolf/JVM-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FJVM-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SarahGreyWolf/JVM-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SarahGreyWolf/JVM-rs [INFO] finished tweaking git repo https://github.com/SarahGreyWolf/JVM-rs [INFO] tweaked toml for git repo https://github.com/SarahGreyWolf/JVM-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SarahGreyWolf/JVM-rs 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2d2d41911363414c181df3a8fc6334db61ebfcd74868ecf5856ad0a86ab03d4 [INFO] running `Command { std: "docker" "start" "-a" "f2d2d41911363414c181df3a8fc6334db61ebfcd74868ecf5856ad0a86ab03d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2d2d41911363414c181df3a8fc6334db61ebfcd74868ecf5856ad0a86ab03d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2d2d41911363414c181df3a8fc6334db61ebfcd74868ecf5856ad0a86ab03d4", kill_on_drop: false }` [INFO] [stdout] f2d2d41911363414c181df3a8fc6334db61ebfcd74868ecf5856ad0a86ab03d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fe9d9f7a2daea6059586b7e43333a93ed5019b85c0a05e21a8370f835091912 [INFO] running `Command { std: "docker" "start" "-a" "4fe9d9f7a2daea6059586b7e43333a93ed5019b85c0a05e21a8370f835091912", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling jvm_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0583]: file not found for module `data_types` [INFO] [stdout] --> src/main.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | mod data_types; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: to create the module `data_types`, create file "src/data_types.rs" or "src/data_types/mod.rs" [INFO] [stdout] = note: if there is a `mod data_types` elsewhere in the crate already, import it with `use crate::...` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Path` and `fmt` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | fmt, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::access_flags::MethodAccessFlags` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::access_flags::MethodAccessFlags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/attributes.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/attributes.rs:1037:13 [INFO] [stdout] | [INFO] [stdout] 1037 | / /** [INFO] [stdout] 1038 | | * **start_pc**\ [INFO] [stdout] 1039 | | * The value of the start_pc item must be a valid index into the code array [INFO] [stdout] 1040 | | * of this Code attribute. The item indicates the index into the code array at [INFO] [stdout] 1041 | | * which the code for a new line in the original source file begins. [INFO] [stdout] 1042 | | */ [INFO] [stdout] | |_______________^ [INFO] [stdout] 1043 | start_pc, [INFO] [stdout] | -------- rustdoc does not generate documentation for expression fields [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 doc comment [INFO] [stdout] --> src/attributes.rs:1044:13 [INFO] [stdout] | [INFO] [stdout] 1044 | / /** [INFO] [stdout] 1045 | | * **line_number**\ [INFO] [stdout] 1046 | | * The value of the line_number item gives the corresponding line number [INFO] [stdout] 1047 | | * in the original source file. [INFO] [stdout] 1048 | | */ [INFO] [stdout] | |_______________^ [INFO] [stdout] 1049 | line_number, [INFO] [stdout] | ----------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadingCause` and `LoadingError` [INFO] [stdout] --> src/class_file.rs:11:21 [INFO] [stdout] | [INFO] [stdout] 11 | class_loading::{LoadingCause, LoadingError}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `cursor_remaining` [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(cursor_remaining)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `is_empty` found for struct `std::io::Cursor` in the current scope [INFO] [stdout] --> src/class_file.rs:492:20 [INFO] [stdout] | [INFO] [stdout] 492 | if !cursor.is_empty() { [INFO] [stdout] | ^^^^^^^^ method not found in `Cursor<&[u8]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `offset_delta` is assigned to, but never used [INFO] [stdout] --> src/attributes.rs:550:25 [INFO] [stdout] | [INFO] [stdout] 550 | let mut offset_delta: u16 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_offset_delta` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset_delta` is never read [INFO] [stdout] --> src/attributes.rs:555:29 [INFO] [stdout] | [INFO] [stdout] 555 | ... offset_delta = _type as u16; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset_delta` is never read [INFO] [stdout] --> src/attributes.rs:559:29 [INFO] [stdout] | [INFO] [stdout] 559 | ... offset_delta = _type as u16 - 64; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `class` [INFO] [stdout] --> src/attributes.rs:715:48 [INFO] [stdout] | [INFO] [stdout] 715 | if let ConstantPool::Class(class) = &constant_pool[index as usize] { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_class` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0583, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0583`. [INFO] [stdout] [INFO] [stderr] error: could not compile `jvm_rs` (bin "jvm_rs") due to 3 previous errors; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4fe9d9f7a2daea6059586b7e43333a93ed5019b85c0a05e21a8370f835091912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fe9d9f7a2daea6059586b7e43333a93ed5019b85c0a05e21a8370f835091912", kill_on_drop: false }` [INFO] [stdout] 4fe9d9f7a2daea6059586b7e43333a93ed5019b85c0a05e21a8370f835091912