[INFO] fetching crate clucstr 1.1.91...
[INFO] checking clucstr-1.1.91 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate clucstr 1.1.91 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate clucstr 1.1.91 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clucstr 1.1.91
[INFO] finished tweaking crates.io crate clucstr 1.1.91
[INFO] tweaked toml for crates.io crate clucstr 1.1.91 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate clucstr 1.1.91 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `clucstr` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f439e13e0cf40b75a3ca3625021d1e13f5135848553db5a38b24621cec46e82
[INFO] running `Command { std: "docker" "start" "-a" "1f439e13e0cf40b75a3ca3625021d1e13f5135848553db5a38b24621cec46e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f439e13e0cf40b75a3ca3625021d1e13f5135848553db5a38b24621cec46e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f439e13e0cf40b75a3ca3625021d1e13f5135848553db5a38b24621cec46e82", kill_on_drop: false }`
[INFO] [stdout] 1f439e13e0cf40b75a3ca3625021d1e13f5135848553db5a38b24621cec46e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 509cda5cea5eec50416808d93620deb6fc25639a4944c0d5736de43c91c52944
[INFO] running `Command { std: "docker" "start" "-a" "509cda5cea5eec50416808d93620deb6fc25639a4944c0d5736de43c91c52944", kill_on_drop: false }`
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `clucstr` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] [stderr]    Compiling clucstr v1.1.91 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]    --> src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | extern crate syntax;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | extern crate rustc_driver;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]    --> src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | extern crate syntax;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | extern crate rustc_driver;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]    --> src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | extern crate syntax;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | extern crate rustc_driver;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/nightly.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/nightly.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/nightly.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clucstr` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `clucstr` (lib test) due to 5 previous errors
[INFO] [stderr] error: could not compile `clucstr` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "509cda5cea5eec50416808d93620deb6fc25639a4944c0d5736de43c91c52944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509cda5cea5eec50416808d93620deb6fc25639a4944c0d5736de43c91c52944", kill_on_drop: false }`
[INFO] [stdout] 509cda5cea5eec50416808d93620deb6fc25639a4944c0d5736de43c91c52944