[INFO] crate rustracing 0.1.8 is already in cache
[INFO] extracting crate rustracing 0.1.8 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rustracing/0.1.8
[INFO] extracting crate rustracing 0.1.8 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rustracing/0.1.8
[INFO] validating manifest of rustracing-0.1.8 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 rustracing-0.1.8 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 rustracing-0.1.8
[INFO] finished frobbing rustracing-0.1.8
[INFO] frobbed toml for rustracing-0.1.8 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rustracing/0.1.8/Cargo.toml
[INFO] started frobbing rustracing-0.1.8
[INFO] finished frobbing rustracing-0.1.8
[INFO] frobbed toml for rustracing-0.1.8 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rustracing/0.1.8/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 rustracing-0.1.8 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rustracing/0.1.8:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] f0cdbf8d9f6a888ec9acf4831d6d01464825cfd6c2676da4681e36ad7a88c36d
[INFO] running `"docker" "start" "-a" "f0cdbf8d9f6a888ec9acf4831d6d01464825cfd6c2676da4681e36ad7a88c36d"`
[INFO] [stderr]    Compiling rustracing v0.1.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "f0cdbf8d9f6a888ec9acf4831d6d01464825cfd6c2676da4681e36ad7a88c36d"`
[INFO] running `"docker" "rm" "-f" "f0cdbf8d9f6a888ec9acf4831d6d01464825cfd6c2676da4681e36ad7a88c36d"`
[INFO] [stdout] f0cdbf8d9f6a888ec9acf4831d6d01464825cfd6c2676da4681e36ad7a88c36d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rustracing/0.1.8:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] eda63281e86446d09b6c563c777c5ed13bdfab04acfe42fec9be053d88b63ec7
[INFO] running `"docker" "start" "-a" "eda63281e86446d09b6c563c777c5ed13bdfab04acfe42fec9be053d88b63ec7"`
[INFO] [stderr]    Compiling rustracing v0.1.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "eda63281e86446d09b6c563c777c5ed13bdfab04acfe42fec9be053d88b63ec7"`
[INFO] running `"docker" "rm" "-f" "eda63281e86446d09b6c563c777c5ed13bdfab04acfe42fec9be053d88b63ec7"`
[INFO] [stdout] eda63281e86446d09b6c563c777c5ed13bdfab04acfe42fec9be053d88b63ec7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rustracing/0.1.8:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 1de71c94de2e55a73e7e975fdea393ec5d41adcb3d9cbbffb5146b8f6c30461c
[INFO] running `"docker" "start" "-a" "1de71c94de2e55a73e7e975fdea393ec5d41adcb3d9cbbffb5146b8f6c30461c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustracing-17e5a1729ff6792f
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test convert::tests::it_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::example_code_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustracing
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/tag.rs - tag::Tag::new (line 14) ... ok
[INFO] [stdout] test src/span.rs - span::Span<T>::inactive (line 32) ... ok
[INFO] [stdout] test src/tracer.rs - tracer::Tracer (line 12) ... ok
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1de71c94de2e55a73e7e975fdea393ec5d41adcb3d9cbbffb5146b8f6c30461c"`
[INFO] running `"docker" "rm" "-f" "1de71c94de2e55a73e7e975fdea393ec5d41adcb3d9cbbffb5146b8f6c30461c"`
[INFO] [stdout] 1de71c94de2e55a73e7e975fdea393ec5d41adcb3d9cbbffb5146b8f6c30461c