[INFO] fetching crate incrementalmerkletree-testing 0.2.0-backcompat.0.8...
[INFO] testing incrementalmerkletree-testing-0.2.0-backcompat.0.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate incrementalmerkletree-testing 0.2.0-backcompat.0.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
[INFO] [stderr]   Downloaded errno v0.3.5
[INFO] [stderr]   Downloaded hermit-abi v0.3.3
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded either v1.9.0
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded incrementalmerkletree v0.8.2
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.3.5
[INFO] [stderr]   Downloaded proptest v1.2.0
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.29
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41a092e89cb5e73d0ae0031f191aff5a2ac78aec481d88e4d55dc884c0407352
[INFO] running `Command { std: "docker" "start" "-a" "41a092e89cb5e73d0ae0031f191aff5a2ac78aec481d88e4d55dc884c0407352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a092e89cb5e73d0ae0031f191aff5a2ac78aec481d88e4d55dc884c0407352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a092e89cb5e73d0ae0031f191aff5a2ac78aec481d88e4d55dc884c0407352", kill_on_drop: false }`
[INFO] [stdout] 41a092e89cb5e73d0ae0031f191aff5a2ac78aec481d88e4d55dc884c0407352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 396dea788a8c5cb98150c10acdf50942ad14768dc0c2fb2a9aad1822336a1b29
[INFO] running `Command { std: "docker" "start" "-a" "396dea788a8c5cb98150c10acdf50942ad14768dc0c2fb2a9aad1822336a1b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[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 bitflags v1.3.2
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling bit-set v0.5.3
[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 11.83s
[INFO] running `Command { std: "docker" "inspect" "396dea788a8c5cb98150c10acdf50942ad14768dc0c2fb2a9aad1822336a1b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396dea788a8c5cb98150c10acdf50942ad14768dc0c2fb2a9aad1822336a1b29", kill_on_drop: false }`
[INFO] [stdout] 396dea788a8c5cb98150c10acdf50942ad14768dc0c2fb2a9aad1822336a1b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652d7ab50e335202d59e345348db4580ac764345ec0d7907ea18d7b970db8c14
[INFO] running `Command { std: "docker" "start" "-a" "652d7ab50e335202d59e345348db4580ac764345ec0d7907ea18d7b970db8c14", 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 1.67s
[INFO] running `Command { std: "docker" "inspect" "652d7ab50e335202d59e345348db4580ac764345ec0d7907ea18d7b970db8c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652d7ab50e335202d59e345348db4580ac764345ec0d7907ea18d7b970db8c14", kill_on_drop: false }`
[INFO] [stdout] 652d7ab50e335202d59e345348db4580ac764345ec0d7907ea18d7b970db8c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5b09e0e41da59b7b1556d3ec234ebe8850c8db3b0dd0dcd3f36d24510ed55b6
[INFO] running `Command { std: "docker" "start" "-a" "d5b09e0e41da59b7b1556d3ec234ebe8850c8db3b0dd0dcd3f36d24510ed55b6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/incrementalmerkletree_testing-5de20ffcf5c3e734)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test complete_tree::tests::correct_empty_root ... ok
[INFO] [stdout] test complete_tree::tests::append ... ok
[INFO] [stdout] test complete_tree::tests::correct_witness ... ok
[INFO] [stdout] test complete_tree::tests::rewind_remove_mark ... ok
[INFO] [stdout] test tests::test_compute_root_from_witness ... ok
[INFO] [stdout] test complete_tree::tests::root_hashes ... ok
[INFO] [stdout] test complete_tree::tests::correct_root ... ok
[INFO] [stdout] test complete_tree::tests::checkpoint_rewind ... 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 0.01s
[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" "d5b09e0e41da59b7b1556d3ec234ebe8850c8db3b0dd0dcd3f36d24510ed55b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b09e0e41da59b7b1556d3ec234ebe8850c8db3b0dd0dcd3f36d24510ed55b6", kill_on_drop: false }`
[INFO] [stdout] d5b09e0e41da59b7b1556d3ec234ebe8850c8db3b0dd0dcd3f36d24510ed55b6