[INFO] crate math 0.0.2 is already in cache
[INFO] extracting crate math 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/math/0.0.2
[INFO] extracting crate math 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/math/0.0.2
[INFO] validating manifest of math-0.0.2 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 math-0.0.2 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 math-0.0.2
[INFO] finished frobbing math-0.0.2
[INFO] frobbed toml for math-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/math/0.0.2/Cargo.toml
[INFO] started frobbing math-0.0.2
[INFO] finished frobbing math-0.0.2
[INFO] frobbed toml for math-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/math/0.0.2/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 math-0.0.2 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/math/0.0.2:/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] 8160c6bad64b0bf84badd8f1c02b455bd198011fa3d96fd3cac6266cb014fa42
[INFO] running `"docker" "start" "-a" "8160c6bad64b0bf84badd8f1c02b455bd198011fa3d96fd3cac6266cb014fa42"`
[INFO] [stderr]    Compiling math v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "8160c6bad64b0bf84badd8f1c02b455bd198011fa3d96fd3cac6266cb014fa42"`
[INFO] running `"docker" "rm" "-f" "8160c6bad64b0bf84badd8f1c02b455bd198011fa3d96fd3cac6266cb014fa42"`
[INFO] [stdout] 8160c6bad64b0bf84badd8f1c02b455bd198011fa3d96fd3cac6266cb014fa42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/math/0.0.2:/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] 7eb729b2d9c398890ff08a257cda86d4a8646827f11fb340eb3a4f71e8e0a39d
[INFO] running `"docker" "start" "-a" "7eb729b2d9c398890ff08a257cda86d4a8646827f11fb340eb3a4f71e8e0a39d"`
[INFO] [stderr]    Compiling math v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7eb729b2d9c398890ff08a257cda86d4a8646827f11fb340eb3a4f71e8e0a39d"`
[INFO] running `"docker" "rm" "-f" "7eb729b2d9c398890ff08a257cda86d4a8646827f11fb340eb3a4f71e8e0a39d"`
[INFO] [stdout] 7eb729b2d9c398890ff08a257cda86d4a8646827f11fb340eb3a4f71e8e0a39d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/math/0.0.2:/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] 19028c5c10cd4472d19f5643a2a848b5fb2b4a161f3dff5bf49a769ca3f08c7d
[INFO] running `"docker" "start" "-a" "19028c5c10cd4472d19f5643a2a848b5fb2b4a161f3dff5bf49a769ca3f08c7d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/math-b0780ca9415f8fe0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test 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 math
[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" "19028c5c10cd4472d19f5643a2a848b5fb2b4a161f3dff5bf49a769ca3f08c7d"`
[INFO] running `"docker" "rm" "-f" "19028c5c10cd4472d19f5643a2a848b5fb2b4a161f3dff5bf49a769ca3f08c7d"`
[INFO] [stdout] 19028c5c10cd4472d19f5643a2a848b5fb2b4a161f3dff5bf49a769ca3f08c7d