[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] checking fanduin/iridium against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanduin%2Firidium" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fanduin/iridium on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef0dfa54e87ebc741c9f49b84b1e3bf2713de14f2cb6f67e319e3c2eaa265a7c
[INFO] running `Command { std: "docker" "start" "-a" "ef0dfa54e87ebc741c9f49b84b1e3bf2713de14f2cb6f67e319e3c2eaa265a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0dfa54e87ebc741c9f49b84b1e3bf2713de14f2cb6f67e319e3c2eaa265a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0dfa54e87ebc741c9f49b84b1e3bf2713de14f2cb6f67e319e3c2eaa265a7c", kill_on_drop: false }`
[INFO] [stdout] ef0dfa54e87ebc741c9f49b84b1e3bf2713de14f2cb6f67e319e3c2eaa265a7c
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4169a124d0527d4bc7012630f3eaf6241863d13ecef0aa7a7623b3cf07324741
[INFO] running `Command { std: "docker" "start" "-a" "4169a124d0527d4bc7012630f3eaf6241863d13ecef0aa7a7623b3cf07324741", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[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)]` (part of `#[warn(nonstandard_style)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) 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.into_iter() {
[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] 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 8`
[INFO] running `Command { std: "docker" "inspect" "4169a124d0527d4bc7012630f3eaf6241863d13ecef0aa7a7623b3cf07324741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4169a124d0527d4bc7012630f3eaf6241863d13ecef0aa7a7623b3cf07324741", kill_on_drop: false }`
[INFO] [stdout] 4169a124d0527d4bc7012630f3eaf6241863d13ecef0aa7a7623b3cf07324741
