[INFO] fetching crate filedescriptor 0.5.1...
[INFO] extracting crate filedescriptor 0.5.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/filedescriptor/0.5.1
[INFO] extracting crate filedescriptor 0.5.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/filedescriptor/0.5.1
[INFO] validating manifest of filedescriptor-0.5.1 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 filedescriptor-0.5.1 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 filedescriptor-0.5.1
[INFO] finished frobbing filedescriptor-0.5.1
[INFO] frobbed toml for filedescriptor-0.5.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/filedescriptor/0.5.1/Cargo.toml
[INFO] started frobbing filedescriptor-0.5.1
[INFO] finished frobbing filedescriptor-0.5.1
[INFO] frobbed toml for filedescriptor-0.5.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/filedescriptor/0.5.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing filedescriptor-0.5.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/filedescriptor/0.5.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 182c23c76579b3c02f27f205c0f9f40ad56fabe49e5d1c1a242a6b2aa5ca4f6d
[INFO] running `"docker" "start" "-a" "182c23c76579b3c02f27f205c0f9f40ad56fabe49e5d1c1a242a6b2aa5ca4f6d"`
[INFO] [stderr]    Compiling filedescriptor v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "182c23c76579b3c02f27f205c0f9f40ad56fabe49e5d1c1a242a6b2aa5ca4f6d"`
[INFO] running `"docker" "rm" "-f" "182c23c76579b3c02f27f205c0f9f40ad56fabe49e5d1c1a242a6b2aa5ca4f6d"`
[INFO] [stdout] 182c23c76579b3c02f27f205c0f9f40ad56fabe49e5d1c1a242a6b2aa5ca4f6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/filedescriptor/0.5.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 975fe87f6da06e618f8fb55cf8103e8d11783ea72cbf4a95ee37019b1f388744
[INFO] running `"docker" "start" "-a" "975fe87f6da06e618f8fb55cf8103e8d11783ea72cbf4a95ee37019b1f388744"`
[INFO] [stderr]    Compiling filedescriptor v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "975fe87f6da06e618f8fb55cf8103e8d11783ea72cbf4a95ee37019b1f388744"`
[INFO] running `"docker" "rm" "-f" "975fe87f6da06e618f8fb55cf8103e8d11783ea72cbf4a95ee37019b1f388744"`
[INFO] [stdout] 975fe87f6da06e618f8fb55cf8103e8d11783ea72cbf4a95ee37019b1f388744
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/filedescriptor/0.5.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 036f9dc78b65fd96fcb9624d2e76e7dd79784fd798ca1148740e875fc0d33eb5
[INFO] running `"docker" "start" "-a" "036f9dc78b65fd96fcb9624d2e76e7dd79784fd798ca1148740e875fc0d33eb5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/filedescriptor-346e82d8450b6cfb
[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] [stderr]    Doc-tests filedescriptor
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - FileDescriptor (line 195) ... ok
[INFO] [stdout] test src/lib.rs -  (line 35) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test src/lib.rs -  (line 54) ... ok
[INFO] [stdout] test src/lib.rs - Pipe (line 258) ... ok
[INFO] [stdout] test src/lib.rs -  (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "036f9dc78b65fd96fcb9624d2e76e7dd79784fd798ca1148740e875fc0d33eb5"`
[INFO] running `"docker" "rm" "-f" "036f9dc78b65fd96fcb9624d2e76e7dd79784fd798ca1148740e875fc0d33eb5"`
[INFO] [stdout] 036f9dc78b65fd96fcb9624d2e76e7dd79784fd798ca1148740e875fc0d33eb5