[INFO] fetching crate ucg 0.7.0...
[INFO] testing ucg-0.7.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ucg 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ucg 0.7.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate crates.io crate ucg 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a5c4d8d61da20a85a6277d48452003a55e6821c6b3166a5ec6cad56dc71d48
[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" "84a5c4d8d61da20a85a6277d48452003a55e6821c6b3166a5ec6cad56dc71d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a5c4d8d61da20a85a6277d48452003a55e6821c6b3166a5ec6cad56dc71d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a5c4d8d61da20a85a6277d48452003a55e6821c6b3166a5ec6cad56dc71d48", kill_on_drop: false }`
[INFO] [stdout] 84a5c4d8d61da20a85a6277d48452003a55e6821c6b3166a5ec6cad56dc71d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5214dcbfc9978a03b0f24f0d8b744e2749d7432673df0adc8806c40ce785c311
[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" "5214dcbfc9978a03b0f24f0d8b744e2749d7432673df0adc8806c40ce785c311", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling abortable_parser v0.2.3
[INFO] [stderr]    Compiling simple-error v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling ucg v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5214dcbfc9978a03b0f24f0d8b744e2749d7432673df0adc8806c40ce785c311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5214dcbfc9978a03b0f24f0d8b744e2749d7432673df0adc8806c40ce785c311", kill_on_drop: false }`
[INFO] [stdout] 5214dcbfc9978a03b0f24f0d8b744e2749d7432673df0adc8806c40ce785c311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5d18a59c90937b331bba3f1ef8c3ea023f2e5f13ebcc4f3399fb037c3370ac
[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" "4e5d18a59c90937b331bba3f1ef8c3ea023f2e5f13ebcc4f3399fb037c3370ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucg v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/tuple_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]   --> src/build/compile_test.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     assert_build(include_str!("../../integration_tests/tuple_test.ucg"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/list_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]   --> src/build/compile_test.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_build(include_str!("../../integration_tests/list_test.ucg"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/comparisons_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]   --> src/build/compile_test.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |     assert_build(include_str!("../../integration_tests/comparisons_test.ucg"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/macros_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]   --> src/build/compile_test.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 |     assert_build(include_str!("../../integration_tests/macros_test.ucg"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/modules_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]   --> src/build/compile_test.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     assert_build(include_str!("../../integration_tests/modules_test.ucg"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/selectors_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |     assert_build(include_str!("../../integration_tests/selectors_test.ucg"));
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/empty_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 |     assert_build(include_str!("../../integration_tests/empty_test.ucg"));
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/select_expressions_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 |       assert_build(include_str!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 111 | |         "../../integration_tests/select_expressions_test.ucg"
[INFO] [stdout] 112 | |     ));
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/operator_precedence_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |       assert_build(include_str!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 118 | |         "../../integration_tests/operator_precedence_test.ucg"
[INFO] [stdout] 119 | |     ));
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/functional_processing_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:124:18
[INFO] [stdout]     |
[INFO] [stdout] 124 |       assert_build(include_str!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 125 | |         "../../integration_tests/functional_processing_test.ucg"
[INFO] [stdout] 126 | |     ));
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/concatenation_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |       assert_build(include_str!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 132 | |         "../../integration_tests/concatenation_test.ucg"
[INFO] [stdout] 133 | |     ));
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/format_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     assert_build(include_str!("../../integration_tests/format_test.ucg"));
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/build/../../integration_tests/types_test.ucg: No such file or directory (os error 2)
[INFO] [stdout]    --> src/build/compile_test.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |     assert_build(include_str!("../../integration_tests/types_test.ucg"));
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ucg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4e5d18a59c90937b331bba3f1ef8c3ea023f2e5f13ebcc4f3399fb037c3370ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5d18a59c90937b331bba3f1ef8c3ea023f2e5f13ebcc4f3399fb037c3370ac", kill_on_drop: false }`
[INFO] [stdout] 4e5d18a59c90937b331bba3f1ef8c3ea023f2e5f13ebcc4f3399fb037c3370ac
