[INFO] crate modio 0.4.0 is already in cache
[INFO] extracting crate modio 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/modio/0.4.0
[INFO] extracting crate modio 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modio/0.4.0
[INFO] validating manifest of modio-0.4.0 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 modio-0.4.0 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 modio-0.4.0
[INFO] finished frobbing modio-0.4.0
[INFO] frobbed toml for modio-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/modio/0.4.0/Cargo.toml
[INFO] started frobbing modio-0.4.0
[INFO] finished frobbing modio-0.4.0
[INFO] frobbed toml for modio-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modio/0.4.0/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 modio-0.4.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/modio/0.4.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c0a3d716a46581236ae0371e28c5197b29f56e7ce611b2ca5ca334b2cf2f374f
[INFO] running `"docker" "start" "-a" "c0a3d716a46581236ae0371e28c5197b29f56e7ce611b2ca5ca334b2cf2f374f"`
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling modio v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `fmt` is imported redundantly
[INFO] [stderr]    --> src/types.rs:779:13
[INFO] [stderr]     |
[INFO] [stderr] 501 |     use super::*;
[INFO] [stderr]     |         -------- the item `fmt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 779 |         use std::fmt;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `"docker" "inspect" "c0a3d716a46581236ae0371e28c5197b29f56e7ce611b2ca5ca334b2cf2f374f"`
[INFO] running `"docker" "rm" "-f" "c0a3d716a46581236ae0371e28c5197b29f56e7ce611b2ca5ca334b2cf2f374f"`
[INFO] [stdout] c0a3d716a46581236ae0371e28c5197b29f56e7ce611b2ca5ca334b2cf2f374f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/modio/0.4.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0cc2cba6f3a4b0729118fa145c4695d37d83f1efe2b20520f9ca2a661cb4d255
[INFO] running `"docker" "start" "-a" "0cc2cba6f3a4b0729118fa145c4695d37d83f1efe2b20520f9ca2a661cb4d255"`
[INFO] [stderr]    Compiling modio v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `fmt` is imported redundantly
[INFO] [stderr]    --> src/types.rs:779:13
[INFO] [stderr]     |
[INFO] [stderr] 501 |     use super::*;
[INFO] [stderr]     |         -------- the item `fmt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 779 |         use std::fmt;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] LLVM ERROR: IO failure on output stream: Cannot allocate memory
[INFO] [stderr] error: Could not compile `modio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name modio src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="default-tls"' --cfg 'feature="tls"' -C metadata=2652264a5abf7e8d -C extra-filename=-2652264a5abf7e8d --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-bcd34e8f74846360.rlib --extern bytes=/opt/crater/target/debug/deps/libbytes-6eca479c9983e64d.rlib --extern dotenv=/opt/crater/target/debug/deps/libdotenv-7cb6b0e9970d8167.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-5a9d11b2d4806650.rlib --extern futures=/opt/crater/target/debug/deps/libfutures-2204f6374ace2c39.rlib --extern http=/opt/crater/target/debug/deps/libhttp-88ee4a9dc93d3818.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern md5=/opt/crater/target/debug/deps/libmd5-4def04a42311d49d.rlib --extern mime=/opt/crater/target/debug/deps/libmime-2ad0b7e042b7ff0c.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2cc608877e0beb85.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern tokio=/opt/crater/target/debug/deps/libtokio-e3ba4222f05dcf10.rlib --extern tokio_codec=/opt/crater/target/debug/deps/libtokio_codec-92e76085bce9ee5c.rlib --extern tokio_fs=/opt/crater/target/debug/deps/libtokio_fs-77539ad360bb2bf9.rlib --extern tokio_io=/opt/crater/target/debug/deps/libtokio_io-c0ed09c53cebd468.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern url_serde=/opt/crater/target/debug/deps/liburl_serde-530c47d8a925f7ff.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0cc2cba6f3a4b0729118fa145c4695d37d83f1efe2b20520f9ca2a661cb4d255"`
[INFO] running `"docker" "rm" "-f" "0cc2cba6f3a4b0729118fa145c4695d37d83f1efe2b20520f9ca2a661cb4d255"`
[INFO] [stdout] 0cc2cba6f3a4b0729118fa145c4695d37d83f1efe2b20520f9ca2a661cb4d255