[INFO] crate tiny-nix-ipc 0.1.0 is already in cache
[INFO] extracting crate tiny-nix-ipc 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tiny-nix-ipc/0.1.0
[INFO] extracting crate tiny-nix-ipc 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tiny-nix-ipc/0.1.0
[INFO] validating manifest of tiny-nix-ipc-0.1.0 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 tiny-nix-ipc-0.1.0 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 tiny-nix-ipc-0.1.0
[INFO] finished frobbing tiny-nix-ipc-0.1.0
[INFO] frobbed toml for tiny-nix-ipc-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tiny-nix-ipc/0.1.0/Cargo.toml
[INFO] started frobbing tiny-nix-ipc-0.1.0
[INFO] finished frobbing tiny-nix-ipc-0.1.0
[INFO] frobbed toml for tiny-nix-ipc-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tiny-nix-ipc/0.1.0/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 tiny-nix-ipc-0.1.0 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-6/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/tiny-nix-ipc/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0c357731c8d2f2204d075a9699bb99de7534a3f26bbe8d6cc92de5e5b656dcfe
[INFO] running `"docker" "start" "-a" "0c357731c8d2f2204d075a9699bb99de7534a3f26bbe8d6cc92de5e5b656dcfe"`
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `errno`
[INFO] [stderr]   --> src/lib.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | use nix::{errno, unistd};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RecvMsg`
[INFO] [stderr]   --> src/lib.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     recvmsg, RecvMsg, sendmsg, CmsgSpace, ControlMessage, MsgFlags,
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "0c357731c8d2f2204d075a9699bb99de7534a3f26bbe8d6cc92de5e5b656dcfe"`
[INFO] running `"docker" "rm" "-f" "0c357731c8d2f2204d075a9699bb99de7534a3f26bbe8d6cc92de5e5b656dcfe"`
[INFO] [stdout] 0c357731c8d2f2204d075a9699bb99de7534a3f26bbe8d6cc92de5e5b656dcfe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/tiny-nix-ipc/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55467099f0fdd29eab18e7a4fd5c5d639598851239eb21d3561c5a0518ab8871
[INFO] running `"docker" "start" "-a" "55467099f0fdd29eab18e7a4fd5c5d639598851239eb21d3561c5a0518ab8871"`
[INFO] [stderr]    Compiling shmemfdrs v0.1.1
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `errno`
[INFO] [stderr]   --> src/lib.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | use nix::{errno, unistd};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RecvMsg`
[INFO] [stderr]   --> src/lib.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     recvmsg, RecvMsg, sendmsg, CmsgSpace, ControlMessage, MsgFlags,
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "55467099f0fdd29eab18e7a4fd5c5d639598851239eb21d3561c5a0518ab8871"`
[INFO] running `"docker" "rm" "-f" "55467099f0fdd29eab18e7a4fd5c5d639598851239eb21d3561c5a0518ab8871"`
[INFO] [stdout] 55467099f0fdd29eab18e7a4fd5c5d639598851239eb21d3561c5a0518ab8871
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/tiny-nix-ipc/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c5aa81b4e81f5289c0638b31497e310f027bb7e04553595653b20a3d3b6f682c
[INFO] running `"docker" "start" "-a" "c5aa81b4e81f5289c0638b31497e310f027bb7e04553595653b20a3d3b6f682c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tiny_nix_ipc-dc30c3e93a558967
[INFO] [stderr]    Doc-tests tiny-nix-ipc
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_slice_buf_too_short ... ok
[INFO] [stdout] test tests::test_fd_passing ... ok
[INFO] [stdout] test tests::test_slice_success ... ok
[INFO] [stdout] test tests::test_struct_success ... ok
[INFO] [stdout] test tests::test_struct_wrong_len ... ok
[INFO] [stdout] test tests::test_slice_with_len_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "c5aa81b4e81f5289c0638b31497e310f027bb7e04553595653b20a3d3b6f682c"`
[INFO] running `"docker" "rm" "-f" "c5aa81b4e81f5289c0638b31497e310f027bb7e04553595653b20a3d3b6f682c"`
[INFO] [stdout] c5aa81b4e81f5289c0638b31497e310f027bb7e04553595653b20a3d3b6f682c