[INFO] cloning repository https://github.com/ironlang/iron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ironlang/iron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironlang%2Firon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironlang%2Firon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2047132614d6e1f39fc30026cb7a7e6c51f76eb5
[INFO] checking ironlang/iron against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironlang%2Firon" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ironlang/iron on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ironlang/iron
[INFO] finished tweaking git repo https://github.com/ironlang/iron
[INFO] tweaked toml for git repo https://github.com/ironlang/iron written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ironlang/iron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da6d612617a572a3921e76801204562733834aff67f6b39316a28cae0260a3d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da6d612617a572a3921e76801204562733834aff67f6b39316a28cae0260a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da6d612617a572a3921e76801204562733834aff67f6b39316a28cae0260a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6d612617a572a3921e76801204562733834aff67f6b39316a28cae0260a3d2", kill_on_drop: false }`
[INFO] [stdout] da6d612617a572a3921e76801204562733834aff67f6b39316a28cae0260a3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886d25fde94342ae151485cdfaac3aacdf2612a457e0322128cc783f4d09ee44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "886d25fde94342ae151485cdfaac3aacdf2612a457e0322128cc783f4d09ee44", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking iron_ast v0.1.0 (/opt/rustwide/workdir/iron_ast)
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking iron_lexer v0.1.0 (/opt/rustwide/workdir/iron_lexer)
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#948d2e3a)
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking iron_codegen v0.1.0 (/opt/rustwide/workdir/iron_codegen)
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking iron_parser v0.1.0 (/opt/rustwide/workdir/iron_parser)
[INFO] [stdout] warning: unused import: `crate::parse_tokens`
[INFO] [stdout]  --> iron_parser/src/module.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parse_tokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron_ast`
[INFO] [stdout]  --> iron_parser/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use iron_ast;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_tokens`
[INFO] [stdout]  --> iron_parser/src/module.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parse_tokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron_ast`
[INFO] [stdout]  --> iron_parser/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use iron_ast;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn parse_public_definition(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse_function(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_import(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_type(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parameter`
[INFO] [stdout]  --> iron_parser/src/expression.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Parameter {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]  --> iron_parser/src/expression.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]   --> iron_parser/src/expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Op`
[INFO] [stdout]  --> iron_parser/src/op.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Op {
[INFO] [stdout]   |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn parse_public_definition(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse_function(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_import(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> iron_parser/src/lib.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_type(tokens: &mut Peekable<IntoIter<Token>>) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parameter`
[INFO] [stdout]  --> iron_parser/src/expression.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Parameter {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]  --> iron_parser/src/expression.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]   --> iron_parser/src/expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Op`
[INFO] [stdout]  --> iron_parser/src/op.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Op {
[INFO] [stdout]   |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking forge v0.1.0 (/opt/rustwide/workdir/forge)
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling llvm-sys v90.2.0
[INFO] [stderr]    Compiling inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#948d2e3a)
[INFO] [stdout] error: expected one of: `::`, `<`, `_`, literal, `ref`, `mut`, `&`, parentheses, square brackets, `..`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/inkwell-946411d814d2c9f8/948d2e3/src/debug_info.rs:431:27
[INFO] [stdout]     |
[INFO] [stdout] 431 |         align_in_bits: u32,
[INFO] [stdout]     |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inkwell`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "886d25fde94342ae151485cdfaac3aacdf2612a457e0322128cc783f4d09ee44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886d25fde94342ae151485cdfaac3aacdf2612a457e0322128cc783f4d09ee44", kill_on_drop: false }`
[INFO] [stdout] 886d25fde94342ae151485cdfaac3aacdf2612a457e0322128cc783f4d09ee44