[INFO] fetching crate twiggy-parser 0.6.0...
[INFO] checking twiggy-parser-0.6.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate twiggy-parser 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate twiggy-parser 0.6.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 7ba0a463311451e211c0240f58894077800d03608234505a48eb475cdd9078f6
[INFO] running `Command { std: "docker" "start" "-a" "7ba0a463311451e211c0240f58894077800d03608234505a48eb475cdd9078f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba0a463311451e211c0240f58894077800d03608234505a48eb475cdd9078f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba0a463311451e211c0240f58894077800d03608234505a48eb475cdd9078f6", kill_on_drop: false }`
[INFO] [stdout] 7ba0a463311451e211c0240f58894077800d03608234505a48eb475cdd9078f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 5aec3da3154a43cf775f21ade4782f8cfc2c6a88c27964641f631c80b388af11
[INFO] running `Command { std: "docker" "start" "-a" "5aec3da3154a43cf775f21ade4782f8cfc2c6a88c27964641f631c80b388af11", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking frozen v1.0.0
[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 v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking object v0.12.0
[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 21s
[INFO] running `Command { std: "docker" "inspect" "5aec3da3154a43cf775f21ade4782f8cfc2c6a88c27964641f631c80b388af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aec3da3154a43cf775f21ade4782f8cfc2c6a88c27964641f631c80b388af11", kill_on_drop: false }`
[INFO] [stdout] 5aec3da3154a43cf775f21ade4782f8cfc2c6a88c27964641f631c80b388af11