[INFO] updating cached repository https://github.com/lord/learnllvm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fc6a517b229c7ffc4f2a74e14df8185a9e2d2ea
[INFO] testing lord/learnllvm against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lord/learnllvm on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lord/learnllvm
[INFO] finished tweaking git repo https://github.com/lord/learnllvm
[INFO] tweaked toml for git repo https://github.com/lord/learnllvm written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lord/learnllvm already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 1b104d00c72f8ad9cf309d8ae448e2449ddd9a359316831479c1c40f62a9fb5b
[INFO] running `"docker" "start" "-a" "1b104d00c72f8ad9cf309d8ae448e2449ddd9a359316831479c1c40f62a9fb5b"`
[INFO] [stderr]    Compiling llvm-alt v0.5.0
[INFO] [stderr]    Compiling nom v2.0.0
[INFO] [stderr]    Compiling llvm-sys v0.4.0
[INFO] [stderr]    Compiling cbox v0.3.0
[INFO] [stderr]    Compiling kscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/main.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | use llvm::{Context, Builder, Module, Value};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BasicBlock`
[INFO] [stderr]  --> src/codegen.rs:2:84
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm::{Context, Value, Compile, Builder, Module, Type, FunctionType, Function, BasicBlock};
[INFO] [stderr]   |                                                                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/codegen.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 |       if (func.get_signature().num_params() != arg_names.len()) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::LLVMDumpValue`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use llvm_sys::core::LLVMDumpValue;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::prelude::LLVMValueRef`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use llvm_sys::prelude::LLVMValueRef;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `builder`
[INFO] [stderr]   --> src/codegen.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   builder: &'a Builder,
[INFO] [stderr]    |   ^^^^^^^ help: consider prefixing with an underscore: `_builder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vals`
[INFO] [stderr]   --> src/codegen.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   vals: &mut HashMap<String, &'a Value>,
[INFO] [stderr]    |   ^^^^ help: consider prefixing with an underscore: `_vals`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let mut module = Module::new("mod_name", &ctx);
[INFO] [stderr]    |       ----^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `"docker" "inspect" "1b104d00c72f8ad9cf309d8ae448e2449ddd9a359316831479c1c40f62a9fb5b"`
[INFO] running `"docker" "rm" "-f" "1b104d00c72f8ad9cf309d8ae448e2449ddd9a359316831479c1c40f62a9fb5b"`
[INFO] [stdout] 1b104d00c72f8ad9cf309d8ae448e2449ddd9a359316831479c1c40f62a9fb5b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ff399825b2abaab5febf6ee6983d445e33220400a6a530f1d5815e4f051f47d
[INFO] running `"docker" "start" "-a" "2ff399825b2abaab5febf6ee6983d445e33220400a6a530f1d5815e4f051f47d"`
[INFO] [stderr]    Compiling kscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/main.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 | use llvm::{Context, Builder, Module, Value};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BasicBlock`
[INFO] [stderr]  --> src/codegen.rs:2:84
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm::{Context, Value, Compile, Builder, Module, Type, FunctionType, Function, BasicBlock};
[INFO] [stderr]   |                                                                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/codegen.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 |       if (func.get_signature().num_params() != arg_names.len()) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::LLVMDumpValue`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use llvm_sys::core::LLVMDumpValue;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::prelude::LLVMValueRef`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use llvm_sys::prelude::LLVMValueRef;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `builder`
[INFO] [stderr]   --> src/codegen.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   builder: &'a Builder,
[INFO] [stderr]    |   ^^^^^^^ help: consider prefixing with an underscore: `_builder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vals`
[INFO] [stderr]   --> src/codegen.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   vals: &mut HashMap<String, &'a Value>,
[INFO] [stderr]    |   ^^^^ help: consider prefixing with an underscore: `_vals`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let mut module = Module::new("mod_name", &ctx);
[INFO] [stderr]    |       ----^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "2ff399825b2abaab5febf6ee6983d445e33220400a6a530f1d5815e4f051f47d"`
[INFO] running `"docker" "rm" "-f" "2ff399825b2abaab5febf6ee6983d445e33220400a6a530f1d5815e4f051f47d"`
[INFO] [stdout] 2ff399825b2abaab5febf6ee6983d445e33220400a6a530f1d5815e4f051f47d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f3cbe0d8dc77168ef3e985079d2ad4233676e75d7e38d40effbe9aa8c1ebb0ac
[INFO] running `"docker" "start" "-a" "f3cbe0d8dc77168ef3e985079d2ad4233676e75d7e38d40effbe9aa8c1ebb0ac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kscope-7bc74461cf83c35c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f3cbe0d8dc77168ef3e985079d2ad4233676e75d7e38d40effbe9aa8c1ebb0ac"`
[INFO] running `"docker" "rm" "-f" "f3cbe0d8dc77168ef3e985079d2ad4233676e75d7e38d40effbe9aa8c1ebb0ac"`
[INFO] [stdout] f3cbe0d8dc77168ef3e985079d2ad4233676e75d7e38d40effbe9aa8c1ebb0ac