[INFO] fetching crate lean-imt 0.1.2...
[INFO] testing lean-imt-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lean-imt 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lean-imt 0.1.2
[INFO] finished tweaking crates.io crate lean-imt 0.1.2
[INFO] tweaked toml for crates.io crate lean-imt 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lean-imt 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.15.5 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d88698ba77f67e5be763f1fbc6096ce1f5324079d213feaec2fc41c2040ab0
[INFO] running `Command { std: "docker" "start" "-a" "24d88698ba77f67e5be763f1fbc6096ce1f5324079d213feaec2fc41c2040ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d88698ba77f67e5be763f1fbc6096ce1f5324079d213feaec2fc41c2040ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d88698ba77f67e5be763f1fbc6096ce1f5324079d213feaec2fc41c2040ab0", kill_on_drop: false }`
[INFO] [stdout] 24d88698ba77f67e5be763f1fbc6096ce1f5324079d213feaec2fc41c2040ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e87091a57d28fb14f7a038512225b431cc941d1a15e7bc3212d67e2338bbbd7
[INFO] running `Command { std: "docker" "start" "-a" "0e87091a57d28fb14f7a038512225b431cc941d1a15e7bc3212d67e2338bbbd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lean-imt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "0e87091a57d28fb14f7a038512225b431cc941d1a15e7bc3212d67e2338bbbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e87091a57d28fb14f7a038512225b431cc941d1a15e7bc3212d67e2338bbbd7", kill_on_drop: false }`
[INFO] [stdout] 0e87091a57d28fb14f7a038512225b431cc941d1a15e7bc3212d67e2338bbbd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dce93055650452b69c5d959ff78fdb6df35acee00c1015d8ef7df81dca82dc1
[INFO] running `Command { std: "docker" "start" "-a" "7dce93055650452b69c5d959ff78fdb6df35acee00c1015d8ef7df81dca82dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lean-imt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7dce93055650452b69c5d959ff78fdb6df35acee00c1015d8ef7df81dca82dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dce93055650452b69c5d959ff78fdb6df35acee00c1015d8ef7df81dca82dc1", kill_on_drop: false }`
[INFO] [stdout] 7dce93055650452b69c5d959ff78fdb6df35acee00c1015d8ef7df81dca82dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c4d203926eaed537173068d99afd49c732647a424d66dd932d8af3dad836405
[INFO] running `Command { std: "docker" "start" "-a" "5c4d203926eaed537173068d99afd49c732647a424d66dd932d8af3dad836405", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lean_imt-7b2b66f48c8f92b2)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_insert_after_tree_becomes_empty ... ok
[INFO] [stdout] test tests::test_insert_duplicate_leaf ... ok
[INFO] [stdout] test tests::test_insert_many ... ok
[INFO] [stdout] test tests::test_insert_ ... ok
[INFO] [stdout] test tests::test_insert_many_with_duplicate_leaf ... ok
[INFO] [stdout] test tests::test_insert ... ok
[INFO] [stdout] test tests::test_insertion_causes_depth_increase ... ok
[INFO] [stdout] test tests::test_insertion_after_removal ... ok
[INFO] [stdout] test tests::test_invalid_sibling_nodes_on_remove ... ok
[INFO] [stdout] test tests::test_new_lean_imt ... ok
[INFO] [stdout] test tests::test_remove_nonexistent_leaf ... ok
[INFO] [stdout] test tests::test_root_after_operations ... ok
[INFO] [stdout] test tests::test_tree_after_all_leaves_removed ... ok
[INFO] [stdout] test tests::test_update_nonexistent_leaf ... ok
[INFO] [stdout] test tests::test_tree_consistency ... ok
[INFO] [stdout] test tests::test_invalid_sibling_nodes_on_update ... ok
[INFO] [stderr]    Doc-tests lean_imt
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] test tests::test_large_number_of_leaves ... ok
[INFO] [stdout] test tests::test_update ... ok
[INFO] [stdout] test tests::test_has_and_index_of ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "5c4d203926eaed537173068d99afd49c732647a424d66dd932d8af3dad836405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4d203926eaed537173068d99afd49c732647a424d66dd932d8af3dad836405", kill_on_drop: false }`
[INFO] [stdout] 5c4d203926eaed537173068d99afd49c732647a424d66dd932d8af3dad836405