[INFO] fetching crate tendril 0.4.2...
[INFO] testing tendril-0.4.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate tendril 0.4.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tendril 0.4.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tendril 0.4.2
[INFO] finished tweaking crates.io crate tendril 0.4.2
[INFO] tweaked toml for crates.io crate tendril 0.4.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate tendril 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a82ca86f340eec513b2989629940515f7d89eae12bdb3ec8a97d731727f32fa5
[INFO] running `Command { std: "docker" "start" "-a" "a82ca86f340eec513b2989629940515f7d89eae12bdb3ec8a97d731727f32fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a82ca86f340eec513b2989629940515f7d89eae12bdb3ec8a97d731727f32fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82ca86f340eec513b2989629940515f7d89eae12bdb3ec8a97d731727f32fa5", kill_on_drop: false }`
[INFO] [stdout] a82ca86f340eec513b2989629940515f7d89eae12bdb3ec8a97d731727f32fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391dfb256bfd2cc249c3a6f9b9435c093773ee3e8b26c468b618cb3b5c97201e
[INFO] running `Command { std: "docker" "start" "-a" "391dfb256bfd2cc249c3a6f9b9435c093773ee3e8b26c468b618cb3b5c97201e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling tendril v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "391dfb256bfd2cc249c3a6f9b9435c093773ee3e8b26c468b618cb3b5c97201e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391dfb256bfd2cc249c3a6f9b9435c093773ee3e8b26c468b618cb3b5c97201e", kill_on_drop: false }`
[INFO] [stdout] 391dfb256bfd2cc249c3a6f9b9435c093773ee3e8b26c468b618cb3b5c97201e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c643a395d3be59caa9e849eca05d6045ae4ac55c21e781aff6320bd07c66f60
[INFO] running `Command { std: "docker" "start" "-a" "7c643a395d3be59caa9e849eca05d6045ae4ac55c21e781aff6320bd07c66f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tendril v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "7c643a395d3be59caa9e849eca05d6045ae4ac55c21e781aff6320bd07c66f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c643a395d3be59caa9e849eca05d6045ae4ac55c21e781aff6320bd07c66f60", kill_on_drop: false }`
[INFO] [stdout] 7c643a395d3be59caa9e849eca05d6045ae4ac55c21e781aff6320bd07c66f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec919324504547b8198b389c38bcb4013ad2abcafaaa874540610b50d5efb704
[INFO] running `Command { std: "docker" "start" "-a" "ec919324504547b8198b389c38bcb4013ad2abcafaaa874540610b50d5efb704", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tendril-76dfe25049843901)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test buf32::test::smoke_test ... ok
[INFO] [stdout] test tendril::test::char_run ... ok
[INFO] [stdout] test tendril::test::atomic ... ok
[INFO] [stdout] test tendril::test::extend_and_from_iterator ... ok
[INFO] [stdout] test tendril::test::format_debug ... ok
[INFO] [stdout] test tendril::test::format ... ok
[INFO] [stdout] test tendril::test::clear ... ok
[INFO] [stdout] test tendril::test::format_display ... ok
[INFO] [stdout] test tendril::test::push_char ... ok
[INFO] [stdout] test tendril::test::subtendril ... ok
[INFO] [stdout] test tendril::test::push_tendril ... ok
[INFO] [stdout] test tendril::test::subtendril_invalid ... ok
[INFO] [stdout] test tendril::test::validate_utf8 ... ok
[INFO] [stdout] test tendril::test::from_str ... ok
[INFO] [stdout] test tendril::test::front_char ... ok
[INFO] [stdout] test tendril::test::hash_map_key ... ok
[INFO] [stdout] test tendril::test::latin1 ... ok
[INFO] [stdout] test tendril::test::inline_send ... ok
[INFO] [stdout] test tendril::test::ascii ... ok
[INFO] [stdout] test stream::test::read_from ... ok
[INFO] [stdout] test tendril::test::merge_cant_share ... ok
[INFO] [stdout] test stream::test::utf8 ... ok
[INFO] [stdout] test tendril::test::conversion ... ok
[INFO] [stdout] test tendril::test::from_char ... ok
[INFO] [stdout] test tendril::test::merge_shared ... ok
[INFO] [stdout] test tendril::test::deref_mut_inline ... ok
[INFO] [stdout] test tendril::test::assert_sizes ... ok
[INFO] [stdout] test tendril::test::deref_mut ... ok
[INFO] [stdout] test tendril::test::compare ... ok
[INFO] [stdout] test tendril::test::share_and_unshare ... ok
[INFO] [stdout] test tendril::test::shared_doesnt_reserve ... ok
[INFO] [stdout] test tendril::test::smoke_test ... ok
[INFO] [stdout] test tendril::test::send ... ok
[INFO] [stdout] test tendril::test::wtf8 ... ok
[INFO] [stdout] test tendril::test::out_of_bounds ... ok
[INFO] [stderr]    Doc-tests tendril
[INFO] [stdout] test tendril::test::read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec919324504547b8198b389c38bcb4013ad2abcafaaa874540610b50d5efb704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec919324504547b8198b389c38bcb4013ad2abcafaaa874540610b50d5efb704", kill_on_drop: false }`
[INFO] [stdout] ec919324504547b8198b389c38bcb4013ad2abcafaaa874540610b50d5efb704