[INFO] cloning repository https://github.com/Dentosal/dogen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dentosal/dogen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDentosal%2Fdogen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDentosal%2Fdogen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 365a52d7409ae4444e2b788b282c6b8639724f51
[INFO] testing Dentosal/dogen against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDentosal%2Fdogen" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dentosal/dogen 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/Dentosal/dogen
[INFO] finished tweaking git repo https://github.com/Dentosal/dogen
[INFO] tweaked toml for git repo https://github.com/Dentosal/dogen written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/Dentosal/dogen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] e19f423bfbae57dbd269f623cbf454d45c7b885608266dc6b51629dc08fb5f1f
[INFO] running `Command { std: "docker" "start" "-a" "e19f423bfbae57dbd269f623cbf454d45c7b885608266dc6b51629dc08fb5f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19f423bfbae57dbd269f623cbf454d45c7b885608266dc6b51629dc08fb5f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19f423bfbae57dbd269f623cbf454d45c7b885608266dc6b51629dc08fb5f1f", kill_on_drop: false }`
[INFO] [stdout] e19f423bfbae57dbd269f623cbf454d45c7b885608266dc6b51629dc08fb5f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 0edc67f4cf37b1e7aa9bf762bb1bb2cbf3096ae2d2bd66df9468e1affa44c342
[INFO] running `Command { std: "docker" "start" "-a" "0edc67f4cf37b1e7aa9bf762bb1bb2cbf3096ae2d2bd66df9468e1affa44c342", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.4.0
[INFO] [stderr]    Compiling regex v0.1.47
[INFO] [stderr]    Compiling regex_macros v0.1.27
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex_macros-0.1.27/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: a __rustc_plugin_registrar symbol must now be defined instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex_macros-0.1.27/src/lib.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stdout]    |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex_macros-0.1.27/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex_macros` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0edc67f4cf37b1e7aa9bf762bb1bb2cbf3096ae2d2bd66df9468e1affa44c342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edc67f4cf37b1e7aa9bf762bb1bb2cbf3096ae2d2bd66df9468e1affa44c342", kill_on_drop: false }`
[INFO] [stdout] 0edc67f4cf37b1e7aa9bf762bb1bb2cbf3096ae2d2bd66df9468e1affa44c342