[INFO] cloning repository https://github.com/takluyver/calcurust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takluyver/calcurust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakluyver%2Fcalcurust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakluyver%2Fcalcurust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1f264bdac56c1bf45cd3cec9f49610f0cf0b9d6
[INFO] testing takluyver/calcurust against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakluyver%2Fcalcurust" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takluyver/calcurust on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/takluyver/calcurust
[INFO] finished tweaking git repo https://github.com/takluyver/calcurust
[INFO] tweaked toml for git repo https://github.com/takluyver/calcurust written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/takluyver/calcurust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq-sys v0.8.1
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded serde_json v0.9.6
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded syntex v0.54.0
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded zmq v0.8.1
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded libc v0.2.20
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded syntex_syntax v0.54.0
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded quote v0.3.12
[INFO] [stderr]   Downloaded syntex_errors v0.54.0
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded syntex_pos v0.54.0
[INFO] [stderr]   Downloaded serde_codegen v0.9.0
[INFO] [stderr]   Downloaded serde v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57185b4973e277995f4e21b2c4e9ba6d7bf761dab6c52c4d27076ae62aedc58c
[INFO] running `Command { std: "docker" "start" "-a" "57185b4973e277995f4e21b2c4e9ba6d7bf761dab6c52c4d27076ae62aedc58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57185b4973e277995f4e21b2c4e9ba6d7bf761dab6c52c4d27076ae62aedc58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57185b4973e277995f4e21b2c4e9ba6d7bf761dab6c52c4d27076ae62aedc58c", kill_on_drop: false }`
[INFO] [stdout] 57185b4973e277995f4e21b2c4e9ba6d7bf761dab6c52c4d27076ae62aedc58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da03c9a7addb0e7b158bee1ee7de184ab72ee0c185f83d7defa2cb0eb419314e
[INFO] running `Command { std: "docker" "start" "-a" "da03c9a7addb0e7b158bee1ee7de184ab72ee0c185f83d7defa2cb0eb419314e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling zmq-sys v0.8.1
[INFO] [stderr]    Compiling zmq v0.8.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.6
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `ast::Name`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.54.0/src/symbol.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |                       name: ast::Name($index),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | / declare_keywords! {
[INFO] [stdout] 166 | |     // Invalid identifier
[INFO] [stdout] 167 | |     (0,  Invalid,        "")
[INFO] [stdout] 168 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stdout] 232 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `declare_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "da03c9a7addb0e7b158bee1ee7de184ab72ee0c185f83d7defa2cb0eb419314e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da03c9a7addb0e7b158bee1ee7de184ab72ee0c185f83d7defa2cb0eb419314e", kill_on_drop: false }`
[INFO] [stdout] da03c9a7addb0e7b158bee1ee7de184ab72ee0c185f83d7defa2cb0eb419314e