[INFO] crate modio 0.3.0 is already in cache
[INFO] extracting crate modio 0.3.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/modio/0.3.0
[INFO] extracting crate modio 0.3.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/modio/0.3.0
[INFO] validating manifest of modio-0.3.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of modio-0.3.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing modio-0.3.0
[INFO] finished frobbing modio-0.3.0
[INFO] frobbed toml for modio-0.3.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/modio/0.3.0/Cargo.toml
[INFO] started frobbing modio-0.3.0
[INFO] finished frobbing modio-0.3.0
[INFO] frobbed toml for modio-0.3.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/modio/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing modio-0.3.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/modio/0.3.0:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] ab037a0ffef9986b4c627f0d7cab713fcfa4ac4da1ca654a9fac0b598461971f
[INFO] running `"docker" "start" "-a" "ab037a0ffef9986b4c627f0d7cab713fcfa4ac4da1ca654a9fac0b598461971f"`
[INFO] [stderr]    Compiling hyper-multipart-rfc7578 v0.2.0-alpha2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling modio v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/error.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             writeln!(f, "{}", self.message);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/error.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 writeln!(f, "  {}: {}", k, v);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `"docker" "inspect" "ab037a0ffef9986b4c627f0d7cab713fcfa4ac4da1ca654a9fac0b598461971f"`
[INFO] running `"docker" "rm" "-f" "ab037a0ffef9986b4c627f0d7cab713fcfa4ac4da1ca654a9fac0b598461971f"`
[INFO] [stdout] ab037a0ffef9986b4c627f0d7cab713fcfa4ac4da1ca654a9fac0b598461971f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/modio/0.3.0:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65db40f58c68ff5c0adf10c80d9c81a71ff36cae2557bd67e6210991ca9db84b
[INFO] running `"docker" "start" "-a" "65db40f58c68ff5c0adf10c80d9c81a71ff36cae2557bd67e6210991ca9db84b"`
[INFO] [stderr]    Compiling modio v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/error.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             writeln!(f, "{}", self.message);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/error.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 writeln!(f, "  {}: {}", k, v);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `modio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name download examples/download.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=63da2d12e5f468dc -C extra-filename=-63da2d12e5f468dc --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-343cb0cb008950be.rlib --extern futures=/opt/crater/target/debug/deps/libfutures-06a2cea518ab0793.rlib --extern http=/opt/crater/target/debug/deps/libhttp-a13a5f0d414cd278.rlib --extern hyper=/opt/crater/target/debug/deps/libhyper-89f93185e406323c.rlib --extern hyper_multipart_rfc7578=/opt/crater/target/debug/deps/libhyper_multipart_rfc7578-c1c68392c054e267.rlib --extern hyper_tls=/opt/crater/target/debug/deps/libhyper_tls-67f692a9c65b0976.rlib --extern md5=/opt/crater/target/debug/deps/libmd5-b6c003418a262d6c.rlib --extern mime=/opt/crater/target/debug/deps/libmime-d20468d673254783.rlib --extern modio=/opt/crater/target/debug/deps/libmodio-6a6a70306011200d.rlib --extern serde=/opt/crater/target/debug/deps/libserde-30a8a112aae830ee.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-962ed6f77b1d2bc1.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-bfc5b85af31229e4.rlib --extern tokio=/opt/crater/target/debug/deps/libtokio-f6bed41ba0b7e38b.rlib --extern url=/opt/crater/target/debug/deps/liburl-99ca1c1b83a27a76.rlib --extern url_serde=/opt/crater/target/debug/deps/liburl_serde-19b6f3a55d7dd15c.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-201a760d9f5d9cb3/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" "65db40f58c68ff5c0adf10c80d9c81a71ff36cae2557bd67e6210991ca9db84b"`
[INFO] running `"docker" "rm" "-f" "65db40f58c68ff5c0adf10c80d9c81a71ff36cae2557bd67e6210991ca9db84b"`
[INFO] [stdout] 65db40f58c68ff5c0adf10c80d9c81a71ff36cae2557bd67e6210991ca9db84b