[INFO] cloning repository https://github.com/ashton314/elang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashton314/elang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashton314%2Felang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashton314%2Felang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b5bc3718b5d77a28b467d4f1ec918b89f6fab4
[INFO] checking ashton314/elang against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashton314%2Felang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ashton314/elang
[INFO] finished tweaking git repo https://github.com/ashton314/elang
[INFO] tweaked toml for git repo https://github.com/ashton314/elang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ashton314/elang on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ashton314/elang 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48866e5225a2e10ff2b6136047aba7b2c4581dc46c7c737a25f1cec4e8b89a72
[INFO] running `Command { std: "docker" "start" "-a" "48866e5225a2e10ff2b6136047aba7b2c4581dc46c7c737a25f1cec4e8b89a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48866e5225a2e10ff2b6136047aba7b2c4581dc46c7c737a25f1cec4e8b89a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48866e5225a2e10ff2b6136047aba7b2c4581dc46c7c737a25f1cec4e8b89a72", kill_on_drop: false }`
[INFO] [stdout] 48866e5225a2e10ff2b6136047aba7b2c4581dc46c7c737a25f1cec4e8b89a72
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 286000fe4f0abab2c65790694fd8c6bc35a3453a6c8468c51efaed1b788a0adb
[INFO] running `Command { std: "docker" "start" "-a" "286000fe4f0abab2c65790694fd8c6bc35a3453a6c8468c51efaed1b788a0adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#c71d7edb)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling llvm-sys v120.2.3
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#c71d7edb)
[INFO] [stderr]     Checking elang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `inkwell::types::BasicMetadataTypeEnum`
[INFO] [stdout]  --> src/compiler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use inkwell::types::BasicMetadataTypeEnum;
[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 imports: `BasicMetadataValueEnum`, `BasicValue`, and `FloatValue`
[INFO] [stdout]  --> src/compiler.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use inkwell::values::{BasicValue, BasicMetadataValueEnum, FloatValue, FunctionValue, PointerValue};
[INFO] [stdout]   |                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddressSpace` and `FloatPredicate`
[INFO] [stdout]   --> src/compiler.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use inkwell::{OptimizationLevel, FloatPredicate, AddressSpace};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inkwell::types::BasicMetadataTypeEnum`
[INFO] [stdout]  --> src/compiler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use inkwell::types::BasicMetadataTypeEnum;
[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 imports: `BasicMetadataValueEnum`, `BasicValue`, and `FloatValue`
[INFO] [stdout]  --> src/compiler.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use inkwell::values::{BasicValue, BasicMetadataValueEnum, FloatValue, FunctionValue, PointerValue};
[INFO] [stdout]   |                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddressSpace` and `FloatPredicate`
[INFO] [stdout]   --> src/compiler.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use inkwell::{OptimizationLevel, FloatPredicate, AddressSpace};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elang` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stdout] error: struct `Compiler` is never constructed
[INFO] [stdout]   --> src/compiler.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Compiler<'a, 'ctx> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]   --> src/compiler.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Compiler<'a, 'ctx> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     variables: HashMap<String, PointerValue<'ctx>>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn compile(&self) -> Option<JitFunction<JustANum>> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn compile(&self) -> Option<JitFunction<'_, JustANum>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_int(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_int(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn parse_var(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn parse_var(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_expr(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                      ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                |
[INFO] [stdout]    |                      |                the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_expr(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn parse(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn parse(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Compiler` is never constructed
[INFO] [stdout]   --> src/compiler.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Compiler<'a, 'ctx> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]   --> src/compiler.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Compiler<'a, 'ctx> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     variables: HashMap<String, PointerValue<'ctx>>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn compile(&self) -> Option<JitFunction<JustANum>> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn compile(&self) -> Option<JitFunction<'_, JustANum>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_int(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_int(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn parse_var(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn parse_var(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_expr(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                      ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                |
[INFO] [stdout]    |                      |                the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_expr(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn parse(input: &str) -> IResult<&str, Ast> {
[INFO] [stdout]    |                     ^^^^             ^^^^  ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                |
[INFO] [stdout]    |                     |                the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn parse(input: &str) -> IResult<&str, Ast<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elang` (lib test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "286000fe4f0abab2c65790694fd8c6bc35a3453a6c8468c51efaed1b788a0adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286000fe4f0abab2c65790694fd8c6bc35a3453a6c8468c51efaed1b788a0adb", kill_on_drop: false }`
[INFO] [stdout] 286000fe4f0abab2c65790694fd8c6bc35a3453a6c8468c51efaed1b788a0adb
