[INFO] fetching crate twiggy-parser 0.6.0...
[INFO] checking twiggy-parser-0.6.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[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 ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twiggy-traits v0.6.0
[INFO] [stderr]   Downloaded goblin v0.0.22
[INFO] [stderr]   Downloaded object v0.12.0
[INFO] [stderr]   Downloaded parity-wasm v0.38.0
[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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 8c9fb4df4913c408f2bfe500a148868a718f2f5974adb97cdaaad571fae6c367
[INFO] running `Command { std: "docker" "start" "-a" "8c9fb4df4913c408f2bfe500a148868a718f2f5974adb97cdaaad571fae6c367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9fb4df4913c408f2bfe500a148868a718f2f5974adb97cdaaad571fae6c367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9fb4df4913c408f2bfe500a148868a718f2f5974adb97cdaaad571fae6c367", kill_on_drop: false }`
[INFO] [stdout] 8c9fb4df4913c408f2bfe500a148868a718f2f5974adb97cdaaad571fae6c367
[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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffc21095b0d63c3f684220a0600b65e4f2cfc50da43bd274e5a02270e894c03e
[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" "ffc21095b0d63c3f684220a0600b65e4f2cfc50da43bd274e5a02270e894c03e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking wasmparser v0.31.1
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking petgraph v0.4.13
[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 failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking twiggy-ir v0.6.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking twiggy-traits v0.6.0
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking twiggy-parser v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.03s
[INFO] running `Command { std: "docker" "inspect" "ffc21095b0d63c3f684220a0600b65e4f2cfc50da43bd274e5a02270e894c03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc21095b0d63c3f684220a0600b65e4f2cfc50da43bd274e5a02270e894c03e", kill_on_drop: false }`
[INFO] [stdout] ffc21095b0d63c3f684220a0600b65e4f2cfc50da43bd274e5a02270e894c03e