[INFO] crate memory-balloon 0.1.0 is already in cache
[INFO] extracting crate memory-balloon 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/memory-balloon/0.1.0
[INFO] extracting crate memory-balloon 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memory-balloon/0.1.0
[INFO] validating manifest of memory-balloon-0.1.0 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 memory-balloon-0.1.0 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 memory-balloon-0.1.0
[INFO] finished frobbing memory-balloon-0.1.0
[INFO] frobbed toml for memory-balloon-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/memory-balloon/0.1.0/Cargo.toml
[INFO] started frobbing memory-balloon-0.1.0
[INFO] finished frobbing memory-balloon-0.1.0
[INFO] frobbed toml for memory-balloon-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memory-balloon/0.1.0/Cargo.toml
[INFO] crate memory-balloon-0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing memory-balloon-0.1.0 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/memory-balloon/0.1.0:/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] d0c279e12fd3156a8259e634fda4f6bdbef5c8c5a7abcdf486b3e4971a537416
[INFO] running `"docker" "start" "-a" "d0c279e12fd3156a8259e634fda4f6bdbef5c8c5a7abcdf486b3e4971a537416"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling memory-balloon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `"docker" "inspect" "d0c279e12fd3156a8259e634fda4f6bdbef5c8c5a7abcdf486b3e4971a537416"`
[INFO] running `"docker" "rm" "-f" "d0c279e12fd3156a8259e634fda4f6bdbef5c8c5a7abcdf486b3e4971a537416"`
[INFO] [stdout] d0c279e12fd3156a8259e634fda4f6bdbef5c8c5a7abcdf486b3e4971a537416
[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/memory-balloon/0.1.0:/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] 30f9efd1f74cd3a03409390b07c64364cf77a71506655ba491bca83b021c275c
[INFO] running `"docker" "start" "-a" "30f9efd1f74cd3a03409390b07c64364cf77a71506655ba491bca83b021c275c"`
[INFO] [stderr]    Compiling memory-balloon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "30f9efd1f74cd3a03409390b07c64364cf77a71506655ba491bca83b021c275c"`
[INFO] running `"docker" "rm" "-f" "30f9efd1f74cd3a03409390b07c64364cf77a71506655ba491bca83b021c275c"`
[INFO] [stdout] 30f9efd1f74cd3a03409390b07c64364cf77a71506655ba491bca83b021c275c
[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/memory-balloon/0.1.0:/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] 0bb2ae2e2e362002799da4c3f502cf9baeb2219ce8aba55a502dff9564e5513a
[INFO] running `"docker" "start" "-a" "0bb2ae2e2e362002799da4c3f502cf9baeb2219ce8aba55a502dff9564e5513a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/balloon-6565333bf98201a4
[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" "0bb2ae2e2e362002799da4c3f502cf9baeb2219ce8aba55a502dff9564e5513a"`
[INFO] running `"docker" "rm" "-f" "0bb2ae2e2e362002799da4c3f502cf9baeb2219ce8aba55a502dff9564e5513a"`
[INFO] [stdout] 0bb2ae2e2e362002799da4c3f502cf9baeb2219ce8aba55a502dff9564e5513a