[INFO] fetching crate jcompiler 0.1.0...
[INFO] testing jcompiler-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate jcompiler 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jcompiler 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jcompiler 0.1.0
[INFO] finished tweaking crates.io crate jcompiler 0.1.0
[INFO] tweaked toml for crates.io crate jcompiler 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v70.4.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c25ac71c95e6458fc5e9b466c5075b9f98ff8bd82c4efca641f48e42d91978c
[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" "4c25ac71c95e6458fc5e9b466c5075b9f98ff8bd82c4efca641f48e42d91978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c25ac71c95e6458fc5e9b466c5075b9f98ff8bd82c4efca641f48e42d91978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c25ac71c95e6458fc5e9b466c5075b9f98ff8bd82c4efca641f48e42d91978c", kill_on_drop: false }`
[INFO] [stdout] 4c25ac71c95e6458fc5e9b466c5075b9f98ff8bd82c4efca641f48e42d91978c
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1209044ef82617884db2b975e2b33e2752b0d2185b97577621eb713ce4ec73c0
[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" "1209044ef82617884db2b975e2b33e2752b0d2185b97577621eb713ce4ec73c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling llvm-sys v70.4.0
[INFO] [stderr]    Compiling jcompiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `init_bb`
[INFO] [stdout]   --> src/lib/llvm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (init_bb, mut bb) = add_initial_bbs(&mut module, main_fn);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_bb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LLVM_TRUE`
[INFO] [stdout]   --> src/lib/llvm.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LLVM_TRUE: LLVMBool = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int8`
[INFO] [stdout]    --> src/lib/llvm.rs:270:11
[INFO] [stdout]     |
[INFO] [stdout] 270 | unsafe fn int8(val: c_ulonglong) -> LLVMValueRef {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_static_outputs`
[INFO] [stdout]    --> src/lib/llvm.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 | fn compile_static_outputs(module: &mut Module, bb: LLVMBasicBlockRef, outputs: &[i8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let object_file = try!(convert_io_error(NamedTempFile::new()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.98s
[INFO] running `Command { std: "docker" "inspect" "1209044ef82617884db2b975e2b33e2752b0d2185b97577621eb713ce4ec73c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1209044ef82617884db2b975e2b33e2752b0d2185b97577621eb713ce4ec73c0", kill_on_drop: false }`
[INFO] [stdout] 1209044ef82617884db2b975e2b33e2752b0d2185b97577621eb713ce4ec73c0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c45dc3926353d8fa4e86c4f90ff64cfdf260ad159f2ce57d9ca989037995c4f
[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" "7c45dc3926353d8fa4e86c4f90ff64cfdf260ad159f2ce57d9ca989037995c4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling jcompiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `init_bb`
[INFO] [stdout]   --> src/lib/llvm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (init_bb, mut bb) = add_initial_bbs(&mut module, main_fn);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_bb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LLVM_TRUE`
[INFO] [stdout]   --> src/lib/llvm.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LLVM_TRUE: LLVMBool = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int8`
[INFO] [stdout]    --> src/lib/llvm.rs:270:11
[INFO] [stdout]     |
[INFO] [stdout] 270 | unsafe fn int8(val: c_ulonglong) -> LLVMValueRef {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_static_outputs`
[INFO] [stdout]    --> src/lib/llvm.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 | fn compile_static_outputs(module: &mut Module, bb: LLVMBasicBlockRef, outputs: &[i8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let object_file = try!(convert_io_error(NamedTempFile::new()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let object_file = try!(convert_io_error(NamedTempFile::new()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init_bb`
[INFO] [stdout]   --> src/lib/llvm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (init_bb, mut bb) = add_initial_bbs(&mut module, main_fn);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_bb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LLVM_TRUE`
[INFO] [stdout]   --> src/lib/llvm.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LLVM_TRUE: LLVMBool = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int8`
[INFO] [stdout]    --> src/lib/llvm.rs:270:11
[INFO] [stdout]     |
[INFO] [stdout] 270 | unsafe fn int8(val: c_ulonglong) -> LLVMValueRef {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_static_outputs`
[INFO] [stdout]    --> src/lib/llvm.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 | fn compile_static_outputs(module: &mut Module, bb: LLVMBasicBlockRef, outputs: &[i8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "7c45dc3926353d8fa4e86c4f90ff64cfdf260ad159f2ce57d9ca989037995c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c45dc3926353d8fa4e86c4f90ff64cfdf260ad159f2ce57d9ca989037995c4f", kill_on_drop: false }`
[INFO] [stdout] 7c45dc3926353d8fa4e86c4f90ff64cfdf260ad159f2ce57d9ca989037995c4f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71b4e086c3999ffdffb1e7c0ac288a339ac02a2f5ab7b39bf376aa3b4e9e895e
[INFO] running `Command { std: "docker" "start" "-a" "71b4e086c3999ffdffb1e7c0ac288a339ac02a2f5ab7b39bf376aa3b4e9e895e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `init_bb`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib/llvm.rs:27:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 27 |     let (init_bb, mut bb) = add_initial_bbs(&mut module, main_fn);
[INFO] [stdout] 
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_bb`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 2 tests
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] test executable_name_relative_path_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test executable_name_test ... ok
[INFO] [stderr] warning: constant is never used: `LLVM_TRUE`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib/llvm.rs:17:1
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 17 | const LLVM_TRUE: LLVMBool = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `int8`
[INFO] [stderr]    --> src/lib/llvm.rs:270:11
[INFO] [stderr]     |
[INFO] [stderr] 270 | unsafe fn int8(val: c_ulonglong) -> LLVMValueRef {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_static_outputs`
[INFO] [stderr]    --> src/lib/llvm.rs:439:4
[INFO] [stderr]     |
[INFO] [stderr] 439 | fn compile_static_outputs(module: &mut Module, bb: LLVMBasicBlockRef, outputs: &[i8]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_bb`
[INFO] [stderr]   --> src/lib/llvm.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let (init_bb, mut bb) = add_initial_bbs(&mut module, main_fn);
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_bb`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LLVM_TRUE`
[INFO] [stderr]   --> src/lib/llvm.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const LLVM_TRUE: LLVMBool = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `int8`
[INFO] [stderr]    --> src/lib/llvm.rs:270:11
[INFO] [stderr]     |
[INFO] [stderr] 270 | unsafe fn int8(val: c_ulonglong) -> LLVMValueRef {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_static_outputs`
[INFO] [stderr]    --> src/lib/llvm.rs:439:4
[INFO] [stderr]     |
[INFO] [stderr] 439 | fn compile_static_outputs(module: &mut Module, bb: LLVMBasicBlockRef, outputs: &[i8]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let object_file = try!(convert_io_error(NamedTempFile::new()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let object_file = try!(convert_io_error(NamedTempFile::new()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jcompilerlib-089158e58f0ec301)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jcompiler-801642a4e06b9234)
[INFO] [stderr]      Running tests/parser_tests.rs (/opt/rustwide/target/debug/deps/parser_tests-687f299b28a16207)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jcompilerlib
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71b4e086c3999ffdffb1e7c0ac288a339ac02a2f5ab7b39bf376aa3b4e9e895e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b4e086c3999ffdffb1e7c0ac288a339ac02a2f5ab7b39bf376aa3b4e9e895e", kill_on_drop: false }`
[INFO] [stdout] 71b4e086c3999ffdffb1e7c0ac288a339ac02a2f5ab7b39bf376aa3b4e9e895e