[INFO] fetching crate treerder 4.0.1...
[INFO] testing treerder-4.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate treerder 4.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate treerder 4.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate treerder 4.0.1
[INFO] tweaked toml for crates.io crate treerder 4.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treerder 4.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate treerder 4.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370cb5ad8824329fe379817188c4248a08932d7e1d8afb2e3de866b7a48a5c40
[INFO] running `Command { std: "docker" "start" "-a" "370cb5ad8824329fe379817188c4248a08932d7e1d8afb2e3de866b7a48a5c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370cb5ad8824329fe379817188c4248a08932d7e1d8afb2e3de866b7a48a5c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370cb5ad8824329fe379817188c4248a08932d7e1d8afb2e3de866b7a48a5c40", kill_on_drop: false }`
[INFO] [stdout] 370cb5ad8824329fe379817188c4248a08932d7e1d8afb2e3de866b7a48a5c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32bd21dd8080dd862d009cd6aca2807e88966209e9adc5a1a507708906a808c3
[INFO] running `Command { std: "docker" "start" "-a" "32bd21dd8080dd862d009cd6aca2807e88966209e9adc5a1a507708906a808c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling treerder v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "32bd21dd8080dd862d009cd6aca2807e88966209e9adc5a1a507708906a808c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bd21dd8080dd862d009cd6aca2807e88966209e9adc5a1a507708906a808c3", kill_on_drop: false }`
[INFO] [stdout] 32bd21dd8080dd862d009cd6aca2807e88966209e9adc5a1a507708906a808c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1caec4efe56e45c8b36d62922d718f1264bd96d4ab92a79ea17b76aba24e92f
[INFO] running `Command { std: "docker" "start" "-a" "f1caec4efe56e45c8b36d62922d718f1264bd96d4ab92a79ea17b76aba24e92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling treerder v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f1caec4efe56e45c8b36d62922d718f1264bd96d4ab92a79ea17b76aba24e92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1caec4efe56e45c8b36d62922d718f1264bd96d4ab92a79ea17b76aba24e92f", kill_on_drop: false }`
[INFO] [stdout] f1caec4efe56e45c8b36d62922d718f1264bd96d4ab92a79ea17b76aba24e92f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccd03739c4f41ea4d4c975873d74f79077be15e9c714622877feac93b79db094
[INFO] running `Command { std: "docker" "start" "-a" "ccd03739c4f41ea4d4c975873d74f79077be15e9c714622877feac93b79db094", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/treerder-b5b86de979343e75)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests_of_units::ab::ab ... ok
[INFO] [stdout] test tests_of_units::ab::zero_len ... ok
[INFO] [stdout] test tests_of_units::exc::basic_test ... ok
[INFO] [stdout] test tests_of_units::english_letters::ix::ixes ... ok
[INFO] [stdout] test tests_of_units::exc::in_depth_recursion ... ok
[INFO] [stdout] test tests_of_units::readme::test2 ... ok
[INFO] [stdout] test tests_of_units::treerder::ins::double_insert ... ok
[INFO] [stdout] test tests_of_units::treerder::ins::new_path ... ok
[INFO] [stdout] test tests_of_units::exc::nesting ... ok
[INFO] [stdout] test tests_of_units::letter::new ... ok
[INFO] [stdout] test tests_of_units::treerder::order::basic_test ... ok
[INFO] [stdout] test tests_of_units::treerder::new_with ... ok
[INFO] [stdout] test tests_of_units::exc::no_double_drop ... ok
[INFO] [stdout] test tests_of_units::readme::test ... ok
[INFO] [stdout] test tests_of_units::treerder::order::no_mem_troubles ... ok
[INFO] [stdout] test tests_of_units::treerder::order::stability ... ok
[INFO] [stdout] test tests_of_units::treerder::order::load ... ok
[INFO] [stdout] test tests_of_units::treerder::new ... ok
[INFO] [stdout] test tests_of_units::english_letters::ix::unsupported_char ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-8faae10bc9d07735)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests treerder
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Orderable (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccd03739c4f41ea4d4c975873d74f79077be15e9c714622877feac93b79db094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd03739c4f41ea4d4c975873d74f79077be15e9c714622877feac93b79db094", kill_on_drop: false }`
[INFO] [stdout] ccd03739c4f41ea4d4c975873d74f79077be15e9c714622877feac93b79db094