[INFO] fetching crate twiggy-parser 0.6.0...
[INFO] checking twiggy-parser-0.6.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate twiggy-parser 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate twiggy-parser 0.6.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twiggy-parser 0.6.0
[INFO] finished tweaking crates.io crate twiggy-parser 0.6.0
[INFO] tweaked toml for crates.io crate twiggy-parser 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78317e1230f6b19ba17190f2c6cfb4653f67f67234e0d05ca78519465c7592e4
[INFO] running `Command { std: "docker" "start" "-a" "78317e1230f6b19ba17190f2c6cfb4653f67f67234e0d05ca78519465c7592e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78317e1230f6b19ba17190f2c6cfb4653f67f67234e0d05ca78519465c7592e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78317e1230f6b19ba17190f2c6cfb4653f67f67234e0d05ca78519465c7592e4", kill_on_drop: false }`
[INFO] [stdout] 78317e1230f6b19ba17190f2c6cfb4653f67f67234e0d05ca78519465c7592e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48cc9574870fa5a328110e3063c5721d94f8ac86453ed29f5f53ca8d9ca8de2c
[INFO] running `Command { std: "docker" "start" "-a" "48cc9574870fa5a328110e3063c5721d94f8ac86453ed29f5f53ca8d9ca8de2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking wasmparser v0.31.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking twiggy-ir v0.6.0
[INFO] [stderr]     Checking twiggy-traits v0.6.0
[INFO] [stderr]     Checking twiggy-parser v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "48cc9574870fa5a328110e3063c5721d94f8ac86453ed29f5f53ca8d9ca8de2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cc9574870fa5a328110e3063c5721d94f8ac86453ed29f5f53ca8d9ca8de2c", kill_on_drop: false }`
[INFO] [stdout] 48cc9574870fa5a328110e3063c5721d94f8ac86453ed29f5f53ca8d9ca8de2c