[INFO] fetching crate racc 0.0.2...
[INFO] testing racc-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate racc 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate racc 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate racc 0.0.2
[INFO] finished tweaking crates.io crate racc 0.0.2
[INFO] tweaked toml for crates.io crate racc 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9da2efbc0b2ed9b45da01edd19d2eeb9b35ea47ffcb7390cf2dc734b81e64d1
[INFO] running `Command { std: "docker" "start" "-a" "c9da2efbc0b2ed9b45da01edd19d2eeb9b35ea47ffcb7390cf2dc734b81e64d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9da2efbc0b2ed9b45da01edd19d2eeb9b35ea47ffcb7390cf2dc734b81e64d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9da2efbc0b2ed9b45da01edd19d2eeb9b35ea47ffcb7390cf2dc734b81e64d1", kill_on_drop: false }`
[INFO] [stdout] c9da2efbc0b2ed9b45da01edd19d2eeb9b35ea47ffcb7390cf2dc734b81e64d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15809e5c3dcf93360737792afb6440703762f40d513ad21846bd92d4b2cea754
[INFO] running `Command { std: "docker" "start" "-a" "15809e5c3dcf93360737792afb6440703762f40d513ad21846bd92d4b2cea754", kill_on_drop: false }`
[INFO] [stderr]    Compiling racc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 | #![feature(plugin_registrar)]
[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]    --> src/lib.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | #![feature(quote)]
[INFO] [stdout]     |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/reader.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 | const NO_SYMBOL: uint = !0u;
[INFO] [stdout]    |                          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/reader.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 | const NO_ITEM: uint = !0u;
[INFO] [stdout]    |                        ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]    --> src/lib.rs:251:1
[INFO] [stdout]     |
[INFO] [stdout] 251 | extern crate log;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `racc` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "15809e5c3dcf93360737792afb6440703762f40d513ad21846bd92d4b2cea754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15809e5c3dcf93360737792afb6440703762f40d513ad21846bd92d4b2cea754", kill_on_drop: false }`
[INFO] [stdout] 15809e5c3dcf93360737792afb6440703762f40d513ad21846bd92d4b2cea754