[INFO] updating cached repository AlvinSamuelsson/stack_machine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlvinSamuelsson/stack_machine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlvinSamuelsson/stack_machine" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlvinSamuelsson/stack_machine" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlvinSamuelsson/stack_machine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlvinSamuelsson/stack_machine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 132bf5c40ea6fe4503262ca4c3b70d50b278b184
[INFO] sha for GitHub repo AlvinSamuelsson/stack_machine: 132bf5c40ea6fe4503262ca4c3b70d50b278b184
[INFO] validating manifest of AlvinSamuelsson/stack_machine on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlvinSamuelsson/stack_machine on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlvinSamuelsson/stack_machine
[INFO] finished frobbing AlvinSamuelsson/stack_machine
[INFO] frobbed toml for AlvinSamuelsson/stack_machine written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine/Cargo.toml
[INFO] started frobbing AlvinSamuelsson/stack_machine
[INFO] finished frobbing AlvinSamuelsson/stack_machine
[INFO] frobbed toml for AlvinSamuelsson/stack_machine written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlvinSamuelsson/stack_machine/Cargo.toml
[INFO] crate AlvinSamuelsson/stack_machine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlvinSamuelsson/stack_machine against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c9b8274fa6f07296fe0f35e86f0c59b7d4551ab348be9949db96087008e474a2
[INFO] running `"docker" "start" "-a" "c9b8274fa6f07296fe0f35e86f0c59b7d4551ab348be9949db96087008e474a2"`
[INFO] [stderr]    Compiling stack_machine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "c9b8274fa6f07296fe0f35e86f0c59b7d4551ab348be9949db96087008e474a2"`
[INFO] running `"docker" "rm" "-f" "c9b8274fa6f07296fe0f35e86f0c59b7d4551ab348be9949db96087008e474a2"`
[INFO] [stdout] c9b8274fa6f07296fe0f35e86f0c59b7d4551ab348be9949db96087008e474a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9cc06b102ef6db9a6091cfbe4e23bae33516953798940072041a72655ea3a33d
[INFO] running `"docker" "start" "-a" "9cc06b102ef6db9a6091cfbe4e23bae33516953798940072041a72655ea3a33d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling stack_machine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "9cc06b102ef6db9a6091cfbe4e23bae33516953798940072041a72655ea3a33d"`
[INFO] running `"docker" "rm" "-f" "9cc06b102ef6db9a6091cfbe4e23bae33516953798940072041a72655ea3a33d"`
[INFO] [stdout] 9cc06b102ef6db9a6091cfbe4e23bae33516953798940072041a72655ea3a33d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlvinSamuelsson/stack_machine:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 94086f990951ee7d16a927ed4e766d8bd1629a53de1b01655753a655b68e9181
[INFO] running `"docker" "start" "-a" "94086f990951ee7d16a927ed4e766d8bd1629a53de1b01655753a655b68e9181"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_machine-7d782225351f3fe5
[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/stack_machine-1786f5bdb28353f4
[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 stack_machine
[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" "94086f990951ee7d16a927ed4e766d8bd1629a53de1b01655753a655b68e9181"`
[INFO] running `"docker" "rm" "-f" "94086f990951ee7d16a927ed4e766d8bd1629a53de1b01655753a655b68e9181"`
[INFO] [stdout] 94086f990951ee7d16a927ed4e766d8bd1629a53de1b01655753a655b68e9181