[INFO] fetching crate opentdb 1.0.0...
[INFO] extracting crate opentdb 1.0.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opentdb/1.0.0
[INFO] extracting crate opentdb 1.0.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/opentdb/1.0.0
[INFO] validating manifest of opentdb-1.0.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of opentdb-1.0.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing opentdb-1.0.0
[INFO] finished frobbing opentdb-1.0.0
[INFO] frobbed toml for opentdb-1.0.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opentdb/1.0.0/Cargo.toml
[INFO] started frobbing opentdb-1.0.0
[INFO] finished frobbing opentdb-1.0.0
[INFO] frobbed toml for opentdb-1.0.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/opentdb/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing opentdb-1.0.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opentdb/1.0.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] ca52c255f1b588ba30801173438ca30d449efc2044b4cae600ebcf1eabda99da
[INFO] running `"docker" "start" "-a" "ca52c255f1b588ba30801173438ca30d449efc2044b4cae600ebcf1eabda99da"`
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling opentdb v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.86s
[INFO] running `"docker" "inspect" "ca52c255f1b588ba30801173438ca30d449efc2044b4cae600ebcf1eabda99da"`
[INFO] running `"docker" "rm" "-f" "ca52c255f1b588ba30801173438ca30d449efc2044b4cae600ebcf1eabda99da"`
[INFO] [stdout] ca52c255f1b588ba30801173438ca30d449efc2044b4cae600ebcf1eabda99da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opentdb/1.0.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1258b5629e2e4005694b43a45612475e1e0d3e4168843512c08bd6ff6af916d
[INFO] running `"docker" "start" "-a" "c1258b5629e2e4005694b43a45612475e1e0d3e4168843512c08bd6ff6af916d"`
[INFO] [stderr]    Compiling mockito v0.15.1
[INFO] [stderr]    Compiling opentdb v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name integration_test tests/integration_test.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=af253aa86a0001dd -C extra-filename=-af253aa86a0001dd --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name simple_builder_test tests/simple_builder_test.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=9fbc6feca5bba2b2 -C extra-filename=-9fbc6feca5bba2b2 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name simple_enum_test tests/simple_enum_test.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=271db4a0085c86d6 -C extra-filename=-271db4a0085c86d6 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name 01_base_usage examples/01_base_usage.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=155516c6d6abda92 -C extra-filename=-155516c6d6abda92 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name builder_test tests/builder_test.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=d8a1a6f7358753de -C extra-filename=-d8a1a6f7358753de --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name 02_minimalistic_usage examples/02_minimalistic_usage.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=f440ee4c83126d13 -C extra-filename=-f440ee4c83126d13 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `opentdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name 03_errhandling_response_code examples/03_errhandling_response_code.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=7309457b610e4812 -C extra-filename=-7309457b610e4812 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-f133cf531a542153.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-92d57a085fdcb978.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-1a9169b537a602ad.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-9e99ac967151bde4.rlib --extern serde=/opt/crater/target/debug/deps/libserde-4343c64b16ea502b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-04591764e12aae5b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-69a69ed15f32cf75.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-97fbe42f4bb04fd3/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" "c1258b5629e2e4005694b43a45612475e1e0d3e4168843512c08bd6ff6af916d"`
[INFO] running `"docker" "rm" "-f" "c1258b5629e2e4005694b43a45612475e1e0d3e4168843512c08bd6ff6af916d"`
[INFO] [stdout] c1258b5629e2e4005694b43a45612475e1e0d3e4168843512c08bd6ff6af916d