[INFO] crate twiggy 0.6.0 is already in cache
[INFO] extracting crate twiggy 0.6.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/twiggy/0.6.0
[INFO] extracting crate twiggy 0.6.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/twiggy/0.6.0
[INFO] validating manifest of twiggy-0.6.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twiggy-0.6.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twiggy-0.6.0
[INFO] finished frobbing twiggy-0.6.0
[INFO] frobbed toml for twiggy-0.6.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/twiggy/0.6.0/Cargo.toml
[INFO] started frobbing twiggy-0.6.0
[INFO] finished frobbing twiggy-0.6.0
[INFO] frobbed toml for twiggy-0.6.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/twiggy/0.6.0/Cargo.toml
[INFO] crate twiggy-0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking twiggy-0.6.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/twiggy/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28fada60829ea45c704edb5e6dd8f46abd72c6d4bbc4582de9a4b3a0a4cba8cb
[INFO] running `"docker" "start" "-a" "28fada60829ea45c704edb5e6dd8f46abd72c6d4bbc4582de9a4b3a0a4cba8cb"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking typed-arena v1.4.1
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking csv v1.1.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling twiggy-opt v0.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking scroll v0.9.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking twiggy-ir v0.6.0
[INFO] [stderr]     Checking twiggy-traits v0.6.0
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking twiggy-analyze v0.6.0
[INFO] [stderr]     Checking twiggy-parser v0.6.0
[INFO] [stderr]     Checking twiggy v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "28fada60829ea45c704edb5e6dd8f46abd72c6d4bbc4582de9a4b3a0a4cba8cb"`
[INFO] running `"docker" "rm" "-f" "28fada60829ea45c704edb5e6dd8f46abd72c6d4bbc4582de9a4b3a0a4cba8cb"`
[INFO] [stdout] 28fada60829ea45c704edb5e6dd8f46abd72c6d4bbc4582de9a4b3a0a4cba8cb