[INFO] crate swapper 0.1.0 is already in cache
[INFO] extracting crate swapper 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/swapper/0.1.0
[INFO] extracting crate swapper 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/swapper/0.1.0
[INFO] validating manifest of swapper-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 swapper-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 swapper-0.1.0
[INFO] finished frobbing swapper-0.1.0
[INFO] frobbed toml for swapper-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/swapper/0.1.0/Cargo.toml
[INFO] started frobbing swapper-0.1.0
[INFO] finished frobbing swapper-0.1.0
[INFO] frobbed toml for swapper-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/swapper/0.1.0/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 swapper-0.1.0 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-6/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/swapper/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f2f470a92c64ad3322b076740158051be6b40b051e1657f60dbb8e4bfddcdddf
[INFO] running `"docker" "start" "-a" "f2f470a92c64ad3322b076740158051be6b40b051e1657f60dbb8e4bfddcdddf"`
[INFO] [stderr]    Compiling swapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "f2f470a92c64ad3322b076740158051be6b40b051e1657f60dbb8e4bfddcdddf"`
[INFO] running `"docker" "rm" "-f" "f2f470a92c64ad3322b076740158051be6b40b051e1657f60dbb8e4bfddcdddf"`
[INFO] [stdout] f2f470a92c64ad3322b076740158051be6b40b051e1657f60dbb8e4bfddcdddf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/swapper/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5eb9660c5bc94e113517268c3a90771f782ad90d9b7c52e24bdf520e8d035bf1
[INFO] running `"docker" "start" "-a" "5eb9660c5bc94e113517268c3a90771f782ad90d9b7c52e24bdf520e8d035bf1"`
[INFO] [stderr]    Compiling swapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "5eb9660c5bc94e113517268c3a90771f782ad90d9b7c52e24bdf520e8d035bf1"`
[INFO] running `"docker" "rm" "-f" "5eb9660c5bc94e113517268c3a90771f782ad90d9b7c52e24bdf520e8d035bf1"`
[INFO] [stdout] 5eb9660c5bc94e113517268c3a90771f782ad90d9b7c52e24bdf520e8d035bf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/swapper/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ad38691d9fc3ac13afbd1a25e8ec9bf1dad21744fa27da331f038ac71e6cbe2a
[INFO] running `"docker" "start" "-a" "ad38691d9fc3ac13afbd1a25e8ec9bf1dad21744fa27da331f038ac71e6cbe2a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/swapper-d9a0a1c12a30dbc8
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-2b52cc7d515cc573
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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 swapper
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] test src/lib.rs -  (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad38691d9fc3ac13afbd1a25e8ec9bf1dad21744fa27da331f038ac71e6cbe2a"`
[INFO] running `"docker" "rm" "-f" "ad38691d9fc3ac13afbd1a25e8ec9bf1dad21744fa27da331f038ac71e6cbe2a"`
[INFO] [stdout] ad38691d9fc3ac13afbd1a25e8ec9bf1dad21744fa27da331f038ac71e6cbe2a