[INFO] fetching crate botocore_parser 0.1.1...
[INFO] testing botocore_parser-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate botocore_parser 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate botocore_parser 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate botocore_parser 0.1.1
[INFO] finished tweaking crates.io crate botocore_parser 0.1.1
[INFO] tweaked toml for crates.io crate botocore_parser 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex v0.29.2
[INFO] [stderr]   Downloaded syntex_syntax v0.29.3
[INFO] [stderr]   Downloaded quasi v0.7.0
[INFO] [stderr]   Downloaded quasi_macros v0.7.0
[INFO] [stderr]   Downloaded aster v0.13.1
[INFO] [stderr]   Downloaded serde_macros v0.6.14
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded quasi_codegen v0.7.0
[INFO] [stderr]   Downloaded Inflector v0.1.6
[INFO] [stderr]   Downloaded serde_json v0.6.1
[INFO] [stderr]   Downloaded serde_codegen v0.6.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7dba0c8220abcddad45590a29acb4bb5649823af197f0c58895fa0176705e4
[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" "2c7dba0c8220abcddad45590a29acb4bb5649823af197f0c58895fa0176705e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7dba0c8220abcddad45590a29acb4bb5649823af197f0c58895fa0176705e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7dba0c8220abcddad45590a29acb4bb5649823af197f0c58895fa0176705e4", kill_on_drop: false }`
[INFO] [stdout] 2c7dba0c8220abcddad45590a29acb4bb5649823af197f0c58895fa0176705e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2713bb76da9be8e3048937800a7109a6c8b1356658060002f8c497cbe10910dd
[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" "2713bb76da9be8e3048937800a7109a6c8b1356658060002f8c497cbe10910dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling syntex_syntax v0.29.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling Inflector v0.1.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stdout] error[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.29.3/src/ext/expand.rs:1325:25
[INFO] [stdout]      |
[INFO] [stdout] 1315 |         let mut expander = MacroExpander::new(&mut cx);
[INFO] [stdout]      |                                               ------- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 1325 |         let err_count = cx.parse_sess.span_diagnostic.err_count();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stdout] 1326 |         let mut ret = expander.fold_crate(c);
[INFO] [stdout]      |                       ---------------------- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2713bb76da9be8e3048937800a7109a6c8b1356658060002f8c497cbe10910dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2713bb76da9be8e3048937800a7109a6c8b1356658060002f8c497cbe10910dd", kill_on_drop: false }`
[INFO] [stdout] 2713bb76da9be8e3048937800a7109a6c8b1356658060002f8c497cbe10910dd