[INFO] crate ucg 0.7.0 is already in cache
[INFO] checking ucg-0.7.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate ucg 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ucg 0.7.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ucg 0.7.0
[INFO] finished tweaking crates.io crate ucg 0.7.0
[INFO] tweaked toml for crates.io crate ucg 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ucg 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74a0144249e304ff366cbd7df193af416313662b5d161152bcb18d3b8e07caac
[INFO] running `"docker" "start" "-a" "74a0144249e304ff366cbd7df193af416313662b5d161152bcb18d3b8e07caac"`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking abortable_parser v0.2.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling ucg v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/tuple_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]   --> src/build/compile_test.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |     assert_build(include_str!("../../integration_tests/tuple_test.ucg"));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/list_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]   --> src/build/compile_test.rs:80:18
[INFO] [stderr]    |
[INFO] [stderr] 80 |     assert_build(include_str!("../../integration_tests/list_test.ucg"));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/comparisons_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]   --> src/build/compile_test.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |     assert_build(include_str!("../../integration_tests/comparisons_test.ucg"));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/macros_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]   --> src/build/compile_test.rs:90:18
[INFO] [stderr]    |
[INFO] [stderr] 90 |     assert_build(include_str!("../../integration_tests/macros_test.ucg"));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/modules_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]   --> src/build/compile_test.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     assert_build(include_str!("../../integration_tests/modules_test.ucg"));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/selectors_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |     assert_build(include_str!("../../integration_tests/selectors_test.ucg"));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/empty_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |     assert_build(include_str!("../../integration_tests/empty_test.ucg"));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/select_expressions_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |       assert_build(include_str!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 111 | |         "../../integration_tests/select_expressions_test.ucg"
[INFO] [stderr] 112 | |     ));
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/operator_precedence_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:117:18
[INFO] [stderr]     |
[INFO] [stderr] 117 |       assert_build(include_str!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 118 | |         "../../integration_tests/operator_precedence_test.ucg"
[INFO] [stderr] 119 | |     ));
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/functional_processing_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:124:18
[INFO] [stderr]     |
[INFO] [stderr] 124 |       assert_build(include_str!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 125 | |         "../../integration_tests/functional_processing_test.ucg"
[INFO] [stderr] 126 | |     ));
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/concatenation_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |       assert_build(include_str!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 132 | |         "../../integration_tests/concatenation_test.ucg"
[INFO] [stderr] 133 | |     ));
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/format_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |     assert_build(include_str!("../../integration_tests/format_test.ucg"));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/build/../../integration_tests/types_test.ucg: No such file or directory (os error 2)
[INFO] [stderr]    --> src/build/compile_test.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |     assert_build(include_str!("../../integration_tests/types_test.ucg"));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/build/opcode/runtime.rs:211:27
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let val = { env.borrow_mut().get_cached_path_val(&path) };
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/build/opcode/runtime.rs:211:27
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let val = { env.borrow_mut().get_cached_path_val(&path) };
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ucg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "74a0144249e304ff366cbd7df193af416313662b5d161152bcb18d3b8e07caac"`
[INFO] running `"docker" "rm" "-f" "74a0144249e304ff366cbd7df193af416313662b5d161152bcb18d3b8e07caac"`
[INFO] [stdout] 74a0144249e304ff366cbd7df193af416313662b5d161152bcb18d3b8e07caac
