[INFO] fetching crate lib-ruby-parser-nodes 0.53.0...
[INFO] checking lib-ruby-parser-nodes-0.53.0 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate lib-ruby-parser-nodes 0.53.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lib-ruby-parser-nodes 0.53.0 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib-ruby-parser-nodes 0.53.0
[INFO] finished tweaking crates.io crate lib-ruby-parser-nodes 0.53.0
[INFO] tweaked toml for crates.io crate lib-ruby-parser-nodes 0.53.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lib-ruby-parser-nodes 0.53.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anymap2 v0.13.0
[INFO] [stderr]   Downloaded liquid-core v0.26.0
[INFO] [stderr]   Downloaded liquid v0.26.0
[INFO] [stderr]   Downloaded kstring v2.0.0
[INFO] [stderr]   Downloaded liquid-derive v0.26.0
[INFO] [stderr]   Downloaded liquid-lib v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ca9905c6fe3ab28f36748c2be5baff66a705d7ccd7cfe8a667bf934dd9b6e16
[INFO] running `Command { std: "docker" "start" "-a" "3ca9905c6fe3ab28f36748c2be5baff66a705d7ccd7cfe8a667bf934dd9b6e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca9905c6fe3ab28f36748c2be5baff66a705d7ccd7cfe8a667bf934dd9b6e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca9905c6fe3ab28f36748c2be5baff66a705d7ccd7cfe8a667bf934dd9b6e16", kill_on_drop: false }`
[INFO] [stdout] 3ca9905c6fe3ab28f36748c2be5baff66a705d7ccd7cfe8a667bf934dd9b6e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec4f915e21f0067717107f52cd204d6f13508718140843fe0cbc0b56c72564f
[INFO] running `Command { std: "docker" "start" "-a" "2ec4f915e21f0067717107f52cd204d6f13508718140843fe0cbc0b56c72564f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-quote v0.4.0
[INFO] [stderr]    Compiling liquid-derive v0.26.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]     Checking liquid-core v0.26.0
[INFO] [stderr]     Checking liquid-lib v0.26.0
[INFO] [stderr]     Checking liquid v0.26.0
[INFO] [stderr]     Checking lib-ruby-parser-nodes v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.23s
[INFO] running `Command { std: "docker" "inspect" "2ec4f915e21f0067717107f52cd204d6f13508718140843fe0cbc0b56c72564f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec4f915e21f0067717107f52cd204d6f13508718140843fe0cbc0b56c72564f", kill_on_drop: false }`
[INFO] [stdout] 2ec4f915e21f0067717107f52cd204d6f13508718140843fe0cbc0b56c72564f