[INFO] crate tower-middleware 0.0.0 is already in cache
[INFO] extracting crate tower-middleware 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-middleware/0.0.0
[INFO] extracting crate tower-middleware 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-middleware/0.0.0
[INFO] validating manifest of tower-middleware-0.0.0 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 tower-middleware-0.0.0 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 tower-middleware-0.0.0
[INFO] finished frobbing tower-middleware-0.0.0
[INFO] frobbed toml for tower-middleware-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-middleware/0.0.0/Cargo.toml
[INFO] started frobbing tower-middleware-0.0.0
[INFO] finished frobbing tower-middleware-0.0.0
[INFO] frobbed toml for tower-middleware-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-middleware/0.0.0/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] 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 tower-middleware-0.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-middleware/0.0.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e8a3e8e7222b22e2f4e02e4e76a707cd5873f2a67b580781b3616e341ce3120c
[INFO] running `"docker" "start" "-a" "e8a3e8e7222b22e2f4e02e4e76a707cd5873f2a67b580781b3616e341ce3120c"`
[INFO] [stderr]    Compiling tower-middleware v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "e8a3e8e7222b22e2f4e02e4e76a707cd5873f2a67b580781b3616e341ce3120c"`
[INFO] running `"docker" "rm" "-f" "e8a3e8e7222b22e2f4e02e4e76a707cd5873f2a67b580781b3616e341ce3120c"`
[INFO] [stdout] e8a3e8e7222b22e2f4e02e4e76a707cd5873f2a67b580781b3616e341ce3120c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-middleware/0.0.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e1ff7e4808eb9330736229520c23732859af759e3073bb6072c3fd06ed3d8cea
[INFO] running `"docker" "start" "-a" "e1ff7e4808eb9330736229520c23732859af759e3073bb6072c3fd06ed3d8cea"`
[INFO] [stderr]    Compiling tower-middleware v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "e1ff7e4808eb9330736229520c23732859af759e3073bb6072c3fd06ed3d8cea"`
[INFO] running `"docker" "rm" "-f" "e1ff7e4808eb9330736229520c23732859af759e3073bb6072c3fd06ed3d8cea"`
[INFO] [stdout] e1ff7e4808eb9330736229520c23732859af759e3073bb6072c3fd06ed3d8cea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-middleware/0.0.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1f2fd497ca11be10d5c013ba7ef0e83ea1d0e0115ddd51d582132b603cc9f30f
[INFO] running `"docker" "start" "-a" "1f2fd497ca11be10d5c013ba7ef0e83ea1d0e0115ddd51d582132b603cc9f30f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_middleware-376d698177c88b0f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-middleware
[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" "1f2fd497ca11be10d5c013ba7ef0e83ea1d0e0115ddd51d582132b603cc9f30f"`
[INFO] running `"docker" "rm" "-f" "1f2fd497ca11be10d5c013ba7ef0e83ea1d0e0115ddd51d582132b603cc9f30f"`
[INFO] [stdout] 1f2fd497ca11be10d5c013ba7ef0e83ea1d0e0115ddd51d582132b603cc9f30f