[INFO] cloning repository https://github.com/farodin91/dust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/farodin91/dust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarodin91%2Fdust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarodin91%2Fdust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8869a1e62c9c158eae066ce4a635efc89d9fd92
[INFO] checking farodin91/dust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarodin91%2Fdust" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/farodin91/dust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/farodin91/dust
[INFO] finished tweaking git repo https://github.com/farodin91/dust
[INFO] tweaked toml for git repo https://github.com/farodin91/dust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/farodin91/dust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] ca6d4f56b5828336b548f363712c754cb32234f6de04596f7b4dce4e7c7135b2
[INFO] running `"docker" "start" "-a" "ca6d4f56b5828336b548f363712c754cb32234f6de04596f7b4dce4e7c7135b2"`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking dust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(quote, concat_idents, plugin_registrar, rustc_private)]
[INFO] [stderr]   |            ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(quote, concat_idents, plugin_registrar, rustc_private)]
[INFO] [stderr]   |            ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate rustc_plugin;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate rustc_plugin;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `dust`.
[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: could not compile `dust`.
[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" "ca6d4f56b5828336b548f363712c754cb32234f6de04596f7b4dce4e7c7135b2"`
[INFO] running `"docker" "rm" "-f" "ca6d4f56b5828336b548f363712c754cb32234f6de04596f7b4dce4e7c7135b2"`
[INFO] [stdout] ca6d4f56b5828336b548f363712c754cb32234f6de04596f7b4dce4e7c7135b2