[INFO] crate io 0.0.2 is already in cache
[INFO] extracting crate io 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/io/0.0.2
[INFO] extracting crate io 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/io/0.0.2
[INFO] validating manifest of io-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 io-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 io-0.0.2
[INFO] finished frobbing io-0.0.2
[INFO] frobbed toml for io-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/io/0.0.2/Cargo.toml
[INFO] started frobbing io-0.0.2
[INFO] finished frobbing io-0.0.2
[INFO] frobbed toml for io-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/io/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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing io-0.0.2 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/io/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2ac680e9c5619ff99f4e6771424884e7cf585f34640e8559cca5c73c0f36de2b
[INFO] running `"docker" "start" "-a" "2ac680e9c5619ff99f4e6771424884e7cf585f34640e8559cca5c73c0f36de2b"`
[INFO] [stderr]    Compiling io v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "2ac680e9c5619ff99f4e6771424884e7cf585f34640e8559cca5c73c0f36de2b"`
[INFO] running `"docker" "rm" "-f" "2ac680e9c5619ff99f4e6771424884e7cf585f34640e8559cca5c73c0f36de2b"`
[INFO] [stdout] 2ac680e9c5619ff99f4e6771424884e7cf585f34640e8559cca5c73c0f36de2b
[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/io/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7cc59d4997b4669c2e00cfeffb9e25db7f2b32910e65699f03fc12a9bc5aa934
[INFO] running `"docker" "start" "-a" "7cc59d4997b4669c2e00cfeffb9e25db7f2b32910e65699f03fc12a9bc5aa934"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7cc59d4997b4669c2e00cfeffb9e25db7f2b32910e65699f03fc12a9bc5aa934"`
[INFO] running `"docker" "rm" "-f" "7cc59d4997b4669c2e00cfeffb9e25db7f2b32910e65699f03fc12a9bc5aa934"`
[INFO] [stdout] 7cc59d4997b4669c2e00cfeffb9e25db7f2b32910e65699f03fc12a9bc5aa934
[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/io/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 40f213c7b11114a1ff93c50f224ea1afd8cb132200d3750d7929c6b3c4b31eed
[INFO] running `"docker" "start" "-a" "40f213c7b11114a1ff93c50f224ea1afd8cb132200d3750d7929c6b3c4b31eed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/io-dc7824b4a9cf15ea
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io
[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] [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" "40f213c7b11114a1ff93c50f224ea1afd8cb132200d3750d7929c6b3c4b31eed"`
[INFO] running `"docker" "rm" "-f" "40f213c7b11114a1ff93c50f224ea1afd8cb132200d3750d7929c6b3c4b31eed"`
[INFO] [stdout] 40f213c7b11114a1ff93c50f224ea1afd8cb132200d3750d7929c6b3c4b31eed