[INFO] cloning repository https://github.com/mashedcode/proc-macro2-whitespace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mashedcode/proc-macro2-whitespace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f934294f40fe4e749077e2e14d8731b1f05f60e
[INFO] checking mashedcode/proc-macro2-whitespace against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashedcode%2Fproc-macro2-whitespace" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mashedcode/proc-macro2-whitespace on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mashedcode/proc-macro2-whitespace
[INFO] finished tweaking git repo https://github.com/mashedcode/proc-macro2-whitespace
[INFO] tweaked toml for git repo https://github.com/mashedcode/proc-macro2-whitespace written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mashedcode/proc-macro2-whitespace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rustfmt`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psm v0.1.11
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v671.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v671.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v671.0.0
[INFO] [stderr]   Downloaded stacker v0.1.11
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v671.0.0
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7336979e3eda3a60e3528ba92e9e04db5b6cb59a94b1b201aaffc1eee1f4a9bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7336979e3eda3a60e3528ba92e9e04db5b6cb59a94b1b201aaffc1eee1f4a9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7336979e3eda3a60e3528ba92e9e04db5b6cb59a94b1b201aaffc1eee1f4a9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7336979e3eda3a60e3528ba92e9e04db5b6cb59a94b1b201aaffc1eee1f4a9bf", kill_on_drop: false }`
[INFO] [stdout] 7336979e3eda3a60e3528ba92e9e04db5b6cb59a94b1b201aaffc1eee1f4a9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 066e1c5df266ce2b5af40ec8b4396b3547ac34d2a237370d6b3983bbab470b48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "066e1c5df266ce2b5af40ec8b4396b3547ac34d2a237370d6b3983bbab470b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-1.4.2/src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v671.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-1.4.2/src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_graphviz-671.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stdout] error: aborting due to 2 previous errors
[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 E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec`.
[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 `Command { std: "docker" "inspect" "066e1c5df266ce2b5af40ec8b4396b3547ac34d2a237370d6b3983bbab470b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066e1c5df266ce2b5af40ec8b4396b3547ac34d2a237370d6b3983bbab470b48", kill_on_drop: false }`
[INFO] [stdout] 066e1c5df266ce2b5af40ec8b4396b3547ac34d2a237370d6b3983bbab470b48
