[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 try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 377fb9f0a6177291d89321a27b34a0b5a44158048993e8cda9f65f1cd9ce3878
[INFO] running `"docker" "start" "-a" "377fb9f0a6177291d89321a27b34a0b5a44158048993e8cda9f65f1cd9ce3878"`
[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 18.34s
[INFO] running `"docker" "inspect" "377fb9f0a6177291d89321a27b34a0b5a44158048993e8cda9f65f1cd9ce3878"`
[INFO] running `"docker" "rm" "-f" "377fb9f0a6177291d89321a27b34a0b5a44158048993e8cda9f65f1cd9ce3878"`
[INFO] [stdout] 377fb9f0a6177291d89321a27b34a0b5a44158048993e8cda9f65f1cd9ce3878
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a2495647d04335e3cdb2f8ff1dd22de607ac28a8d2a80937bfbaf17ca21ac0e
[INFO] running `"docker" "start" "-a" "6a2495647d04335e3cdb2f8ff1dd22de607ac28a8d2a80937bfbaf17ca21ac0e"`
[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=db4c9694f949fee2 -C extra-filename=-db4c9694f949fee2 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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=cb7356b25a6586ef -C extra-filename=-cb7356b25a6586ef --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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=4180a0cd5642bd9b -C extra-filename=-4180a0cd5642bd9b --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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=a026b21f79f1b747 -C extra-filename=-a026b21f79f1b747 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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=9d48d8be796f7ab2 -C extra-filename=-9d48d8be796f7ab2 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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=a416465ee0156c5d -C extra-filename=-a416465ee0156c5d --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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 04_setting_base_url examples/04_setting_base_url.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=c47cb83f230c303a -C extra-filename=-c47cb83f230c303a --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern mockito=/opt/crater/target/debug/deps/libmockito-c6db749a054a4b46.rlib --extern opentdb=/opt/crater/target/debug/deps/libopentdb-43512194c6ac4a7e.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-4058df92f77a8a44.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-8235cabe9cf3623c.rlib --extern serde=/opt/crater/target/debug/deps/libserde-18dc95c748e63f7b.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-944bb3f83c3ab2a6.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-641c38be778e40bd.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-d638ae3455df95ba/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" "6a2495647d04335e3cdb2f8ff1dd22de607ac28a8d2a80937bfbaf17ca21ac0e"`
[INFO] running `"docker" "rm" "-f" "6a2495647d04335e3cdb2f8ff1dd22de607ac28a8d2a80937bfbaf17ca21ac0e"`
[INFO] [stdout] 6a2495647d04335e3cdb2f8ff1dd22de607ac28a8d2a80937bfbaf17ca21ac0e