[INFO] fetching crate incrementalmerkletree-testing 0.2.0-backcompat.0.8...
[INFO] testing incrementalmerkletree-testing-0.2.0-backcompat.0.8 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8
[INFO] finished tweaking crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8
[INFO] tweaked toml for crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da7ccaaed6cf2c3d20111ee69d2b4dac862772813a833dc8c683f0d62ada45c1
[INFO] running `Command { std: "docker" "start" "-a" "da7ccaaed6cf2c3d20111ee69d2b4dac862772813a833dc8c683f0d62ada45c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7ccaaed6cf2c3d20111ee69d2b4dac862772813a833dc8c683f0d62ada45c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7ccaaed6cf2c3d20111ee69d2b4dac862772813a833dc8c683f0d62ada45c1", kill_on_drop: false }`
[INFO] [stdout] da7ccaaed6cf2c3d20111ee69d2b4dac862772813a833dc8c683f0d62ada45c1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abff3eea833ce22085fe658fc6b53e9b5bcbb16a4aa68a1d5599ff8290b11072
[INFO] running `Command { std: "docker" "start" "-a" "abff3eea833ce22085fe658fc6b53e9b5bcbb16a4aa68a1d5599ff8290b11072", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.2.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.8.2
[INFO] [stderr]    Compiling incrementalmerkletree-testing v0.2.0-backcompat.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "abff3eea833ce22085fe658fc6b53e9b5bcbb16a4aa68a1d5599ff8290b11072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abff3eea833ce22085fe658fc6b53e9b5bcbb16a4aa68a1d5599ff8290b11072", kill_on_drop: false }`
[INFO] [stdout] abff3eea833ce22085fe658fc6b53e9b5bcbb16a4aa68a1d5599ff8290b11072
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd288a65d4d56a436dcaa8143df10ef42cf1e81f997feff94e877478a009180
[INFO] running `Command { std: "docker" "start" "-a" "efd288a65d4d56a436dcaa8143df10ef42cf1e81f997feff94e877478a009180", kill_on_drop: false }`
[INFO] [stderr]    Compiling incrementalmerkletree-testing v0.2.0-backcompat.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "efd288a65d4d56a436dcaa8143df10ef42cf1e81f997feff94e877478a009180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd288a65d4d56a436dcaa8143df10ef42cf1e81f997feff94e877478a009180", kill_on_drop: false }`
[INFO] [stdout] efd288a65d4d56a436dcaa8143df10ef42cf1e81f997feff94e877478a009180
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b30c6a6bd67141f2bb81e76d285eeca9ecb3ef12129a5083637fb8dbc5c7e11b
[INFO] running `Command { std: "docker" "start" "-a" "b30c6a6bd67141f2bb81e76d285eeca9ecb3ef12129a5083637fb8dbc5c7e11b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/incrementalmerkletree_testing-5de20ffcf5c3e734)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test complete_tree::tests::append ... ok
[INFO] [stdout] test complete_tree::tests::correct_witness ... ok
[INFO] [stdout] test complete_tree::tests::checkpoint_rewind ... ok
[INFO] [stdout] test complete_tree::tests::correct_root ... ok
[INFO] [stdout] test complete_tree::tests::correct_empty_root ... ok
[INFO] [stdout] test complete_tree::tests::rewind_remove_mark ... ok
[INFO] [stdout] test complete_tree::tests::root_hashes ... ok
[INFO] [stdout] test tests::test_compute_root_from_witness ... ok
[INFO] [stdout] test complete_tree::tests::witnesses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests incrementalmerkletree_testing
[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" "b30c6a6bd67141f2bb81e76d285eeca9ecb3ef12129a5083637fb8dbc5c7e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30c6a6bd67141f2bb81e76d285eeca9ecb3ef12129a5083637fb8dbc5c7e11b", kill_on_drop: false }`
[INFO] [stdout] b30c6a6bd67141f2bb81e76d285eeca9ecb3ef12129a5083637fb8dbc5c7e11b