[INFO] crate roller 0.1.0 is already in cache
[INFO] extracting crate roller 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/roller/0.1.0
[INFO] extracting crate roller 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/roller/0.1.0
[INFO] validating manifest of roller-0.1.0 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 roller-0.1.0 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 roller-0.1.0
[INFO] finished frobbing roller-0.1.0
[INFO] frobbed toml for roller-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/roller/0.1.0/Cargo.toml
[INFO] started frobbing roller-0.1.0
[INFO] finished frobbing roller-0.1.0
[INFO] frobbed toml for roller-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/roller/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 roller-0.1.0 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/roller/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dbe58ba6b40503d1b75fcc4757485282d0d6863f7c36406cbd767d5da9fc4e5f
[INFO] running `"docker" "start" "-a" "dbe58ba6b40503d1b75fcc4757485282d0d6863f7c36406cbd767d5da9fc4e5f"`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling roller v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `"docker" "inspect" "dbe58ba6b40503d1b75fcc4757485282d0d6863f7c36406cbd767d5da9fc4e5f"`
[INFO] running `"docker" "rm" "-f" "dbe58ba6b40503d1b75fcc4757485282d0d6863f7c36406cbd767d5da9fc4e5f"`
[INFO] [stdout] dbe58ba6b40503d1b75fcc4757485282d0d6863f7c36406cbd767d5da9fc4e5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/roller/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba0c4efa89f7601ed65a2940c9c2d44741356b241319673b8684a913691dae19
[INFO] running `"docker" "start" "-a" "ba0c4efa89f7601ed65a2940c9c2d44741356b241319673b8684a913691dae19"`
[INFO] [stderr]    Compiling roller v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "ba0c4efa89f7601ed65a2940c9c2d44741356b241319673b8684a913691dae19"`
[INFO] running `"docker" "rm" "-f" "ba0c4efa89f7601ed65a2940c9c2d44741356b241319673b8684a913691dae19"`
[INFO] [stdout] ba0c4efa89f7601ed65a2940c9c2d44741356b241319673b8684a913691dae19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/roller/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 778ce27150456052d50b95464d599aa88968be7ed5c486870d843f17b5fd4bce
[INFO] running `"docker" "start" "-a" "778ce27150456052d50b95464d599aa88968be7ed5c486870d843f17b5fd4bce"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roller-5a32ec871345ccbf
[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" "778ce27150456052d50b95464d599aa88968be7ed5c486870d843f17b5fd4bce"`
[INFO] running `"docker" "rm" "-f" "778ce27150456052d50b95464d599aa88968be7ed5c486870d843f17b5fd4bce"`
[INFO] [stdout] 778ce27150456052d50b95464d599aa88968be7ed5c486870d843f17b5fd4bce