[INFO] updating cached repository woodgear/failure-context-expand
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/woodgear/failure-context-expand
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/woodgear/failure-context-expand" "work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/woodgear/failure-context-expand" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/woodgear/failure-context-expand"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/woodgear/failure-context-expand'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9eb3ad4ea9e9e5e4dfd46630437e767f465d2812
[INFO] sha for GitHub repo woodgear/failure-context-expand: 9eb3ad4ea9e9e5e4dfd46630437e767f465d2812
[INFO] validating manifest of woodgear/failure-context-expand on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of woodgear/failure-context-expand on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing woodgear/failure-context-expand
[INFO] finished frobbing woodgear/failure-context-expand
[INFO] frobbed toml for woodgear/failure-context-expand written to work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand/Cargo.toml
[INFO] started frobbing woodgear/failure-context-expand
[INFO] finished frobbing woodgear/failure-context-expand
[INFO] frobbed toml for woodgear/failure-context-expand written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/woodgear/failure-context-expand/Cargo.toml
[INFO] crate woodgear/failure-context-expand already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing woodgear/failure-context-expand against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bbe363245405b8f1a85fbb03ab7e9c9ed8e91f493b64f1694eb26fd0e9ce6e44
[INFO] running `"docker" "start" "-a" "bbe363245405b8f1a85fbb03ab7e9c9ed8e91f493b64f1694eb26fd0e9ce6e44"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling failure-context-expand v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `"docker" "inspect" "bbe363245405b8f1a85fbb03ab7e9c9ed8e91f493b64f1694eb26fd0e9ce6e44"`
[INFO] running `"docker" "rm" "-f" "bbe363245405b8f1a85fbb03ab7e9c9ed8e91f493b64f1694eb26fd0e9ce6e44"`
[INFO] [stdout] bbe363245405b8f1a85fbb03ab7e9c9ed8e91f493b64f1694eb26fd0e9ce6e44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb4bfc1be2725d638095162f148940cf9d98c4097c8c9205b3c739627494ad55
[INFO] running `"docker" "start" "-a" "cb4bfc1be2725d638095162f148940cf9d98c4097c8c9205b3c739627494ad55"`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling failure-context-expand v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.26s
[INFO] running `"docker" "inspect" "cb4bfc1be2725d638095162f148940cf9d98c4097c8c9205b3c739627494ad55"`
[INFO] running `"docker" "rm" "-f" "cb4bfc1be2725d638095162f148940cf9d98c4097c8c9205b3c739627494ad55"`
[INFO] [stdout] cb4bfc1be2725d638095162f148940cf9d98c4097c8c9205b3c739627494ad55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/woodgear/failure-context-expand:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3673412228d971fd72c0e1f2d2300e53dd3921099871d12e2021130723744843
[INFO] running `"docker" "start" "-a" "3673412228d971fd72c0e1f2d2300e53dd3921099871d12e2021130723744843"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/failure_context_expand-b9f8cac63938622b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smoke-a7715745ebc56078
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_for_args ... ok
[INFO] [stdout] test test_for_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests failure-context-expand
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3673412228d971fd72c0e1f2d2300e53dd3921099871d12e2021130723744843"`
[INFO] running `"docker" "rm" "-f" "3673412228d971fd72c0e1f2d2300e53dd3921099871d12e2021130723744843"`
[INFO] [stdout] 3673412228d971fd72c0e1f2d2300e53dd3921099871d12e2021130723744843