[INFO] cloning repository https://github.com/fanduin/iridium [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanduin/iridium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanduin%2Firidium", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanduin%2Firidium'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3e56623ce9dddad9b866f97663fff0bda3cb12b [INFO] building fanduin/iridium 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%2Ffanduin%2Firidium" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fanduin/iridium 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/fanduin/iridium [INFO] finished tweaking git repo https://github.com/fanduin/iridium [INFO] tweaked toml for git repo https://github.com/fanduin/iridium written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fanduin/iridium 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] abeb22804b746a979687b003d5245ce2361426b893d2f0c8df6d63716bb0f0bf [INFO] running `Command { std: "docker" "start" "-a" "abeb22804b746a979687b003d5245ce2361426b893d2f0c8df6d63716bb0f0bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abeb22804b746a979687b003d5245ce2361426b893d2f0c8df6d63716bb0f0bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abeb22804b746a979687b003d5245ce2361426b893d2f0c8df6d63716bb0f0bf", kill_on_drop: false }` [INFO] [stdout] abeb22804b746a979687b003d5245ce2361426b893d2f0c8df6d63716bb0f0bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 07da8a470b70a4fd9647d7f4bc9bae0b8da4ec085912cab79a0747bae7a8a908 [INFO] running `Command { std: "docker" "start" "-a" "07da8a470b70a4fd9647d7f4bc9bae0b8da4ec085912cab79a0747bae7a8a908", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling iridium v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Arg` and `SubCommand` [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:46:69 [INFO] [stdout] | [INFO] [stdout] 46 | AssemblerError::NoSegmentDeclarationFound{ instruction: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:49:78 [INFO] [stdout] | [INFO] [stdout] 49 | AssemblerError::StringConstantDeclaredWithoutLabel{ instruction: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:55:63 [INFO] [stdout] | [INFO] [stdout] 55 | AssemblerError::UnknownDirectiveFound{ directive: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `String` [INFO] [stdout] --> src/assembler/assembler_errors.rs:64:48 [INFO] [stdout] | [INFO] [stdout] 64 | AssemblerError::ParseError{ error: String } => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `symbol_type` is never read [INFO] [stdout] --> src/assembler/symbols.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Symbol { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 5 | symbol_type: SymbolType [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `String` should have a snake case name [INFO] [stdout] --> src/assembler/assembler_errors.rs:64:48 [INFO] [stdout] | [INFO] [stdout] 64 | AssemblerError::ParseError{ error: String } => { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "07da8a470b70a4fd9647d7f4bc9bae0b8da4ec085912cab79a0747bae7a8a908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07da8a470b70a4fd9647d7f4bc9bae0b8da4ec085912cab79a0747bae7a8a908", kill_on_drop: false }` [INFO] [stdout] 07da8a470b70a4fd9647d7f4bc9bae0b8da4ec085912cab79a0747bae7a8a908 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c078ff453612fe9aaac5fc8ff90de6d5cba0ecf0281eeab46da03fa08ea9817 [INFO] running `Command { std: "docker" "start" "-a" "9c078ff453612fe9aaac5fc8ff90de6d5cba0ecf0281eeab46da03fa08ea9817", kill_on_drop: false }` [INFO] [stderr] Compiling iridium v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Arg` and `SubCommand` [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:46:69 [INFO] [stdout] | [INFO] [stdout] 46 | AssemblerError::NoSegmentDeclarationFound{ instruction: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:49:78 [INFO] [stdout] | [INFO] [stdout] 49 | AssemblerError::StringConstantDeclaredWithoutLabel{ instruction: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u32` [INFO] [stdout] --> src/assembler/assembler_errors.rs:55:63 [INFO] [stdout] | [INFO] [stdout] 55 | AssemblerError::UnknownDirectiveFound{ directive: u32 } => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `String` [INFO] [stdout] --> src/assembler/assembler_errors.rs:64:48 [INFO] [stdout] | [INFO] [stdout] 64 | AssemblerError::ParseError{ error: String } => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `symbol_type` is never read [INFO] [stdout] --> src/assembler/symbols.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Symbol { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 5 | symbol_type: SymbolType [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `String` should have a snake case name [INFO] [stdout] --> src/assembler/assembler_errors.rs:64:48 [INFO] [stdout] | [INFO] [stdout] 64 | AssemblerError::ParseError{ error: String } => { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [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/vm.rs:260:39 [INFO] [stdout] | [INFO] [stdout] 260 | for byte in PIE_HEADER_PREFIX.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 260 | for byte in PIE_HEADER_PREFIX.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 260 - for byte in PIE_HEADER_PREFIX.into_iter() { [INFO] [stdout] 260 + for byte in PIE_HEADER_PREFIX { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9c078ff453612fe9aaac5fc8ff90de6d5cba0ecf0281eeab46da03fa08ea9817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c078ff453612fe9aaac5fc8ff90de6d5cba0ecf0281eeab46da03fa08ea9817", kill_on_drop: false }` [INFO] [stdout] 9c078ff453612fe9aaac5fc8ff90de6d5cba0ecf0281eeab46da03fa08ea9817