[INFO] crate rstack 0.2.0 is already in cache
[INFO] extracting crate rstack 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rstack/0.2.0
[INFO] extracting crate rstack 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rstack/0.2.0
[INFO] validating manifest of rstack-0.2.0 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 rstack-0.2.0 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 rstack-0.2.0
[INFO] finished frobbing rstack-0.2.0
[INFO] frobbed toml for rstack-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rstack/0.2.0/Cargo.toml
[INFO] started frobbing rstack-0.2.0
[INFO] finished frobbing rstack-0.2.0
[INFO] frobbed toml for rstack-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rstack/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 rstack-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rstack/0.2.0:/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=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] 98104aaa1006c6f6129a2938fc12b33ea512fb45754ed7a8a79adc6b40aa4d63
[INFO] running `"docker" "start" "-a" "98104aaa1006c6f6129a2938fc12b33ea512fb45754ed7a8a79adc6b40aa4d63"`
[INFO] [stderr]    Compiling unwind v0.2.0
[INFO] [stderr]    Compiling unwind-sys v0.1.1
[INFO] [stderr]    Compiling rstack v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "98104aaa1006c6f6129a2938fc12b33ea512fb45754ed7a8a79adc6b40aa4d63"`
[INFO] running `"docker" "rm" "-f" "98104aaa1006c6f6129a2938fc12b33ea512fb45754ed7a8a79adc6b40aa4d63"`
[INFO] [stdout] 98104aaa1006c6f6129a2938fc12b33ea512fb45754ed7a8a79adc6b40aa4d63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rstack/0.2.0:/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=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] 87122dacc4fa6a18be1579f5428fa86e03f8e53f6fefc0c6d5922ea6319cb47b
[INFO] running `"docker" "start" "-a" "87122dacc4fa6a18be1579f5428fa86e03f8e53f6fefc0c6d5922ea6319cb47b"`
[INFO] [stderr]    Compiling rstack v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "87122dacc4fa6a18be1579f5428fa86e03f8e53f6fefc0c6d5922ea6319cb47b"`
[INFO] running `"docker" "rm" "-f" "87122dacc4fa6a18be1579f5428fa86e03f8e53f6fefc0c6d5922ea6319cb47b"`
[INFO] [stdout] 87122dacc4fa6a18be1579f5428fa86e03f8e53f6fefc0c6d5922ea6319cb47b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rstack/0.2.0:/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=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] a523730aba512cbe2237406fb958b6ea20d954e9d5de1984ee535879c6599127
[INFO] running `"docker" "start" "-a" "a523730aba512cbe2237406fb958b6ea20d954e9d5de1984ee535879c6599127"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rstack-4c6cad3987fcd362
[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]    Doc-tests rstack
[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" "a523730aba512cbe2237406fb958b6ea20d954e9d5de1984ee535879c6599127"`
[INFO] running `"docker" "rm" "-f" "a523730aba512cbe2237406fb958b6ea20d954e9d5de1984ee535879c6599127"`
[INFO] [stdout] a523730aba512cbe2237406fb958b6ea20d954e9d5de1984ee535879c6599127