[INFO] fetching crate merkle-cbt 0.3.0...
[INFO] testing merkle-cbt-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate merkle-cbt 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate merkle-cbt 0.3.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle-cbt 0.3.0
[INFO] finished tweaking crates.io crate merkle-cbt 0.3.0
[INFO] tweaked toml for crates.io crate merkle-cbt 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate merkle-cbt 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38fd168ec05c13791a3568b9e964c2d6b9924bbe2b24a495e16ca44d0c213f1
[INFO] running `Command { std: "docker" "start" "-a" "a38fd168ec05c13791a3568b9e964c2d6b9924bbe2b24a495e16ca44d0c213f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38fd168ec05c13791a3568b9e964c2d6b9924bbe2b24a495e16ca44d0c213f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38fd168ec05c13791a3568b9e964c2d6b9924bbe2b24a495e16ca44d0c213f1", kill_on_drop: false }`
[INFO] [stdout] a38fd168ec05c13791a3568b9e964c2d6b9924bbe2b24a495e16ca44d0c213f1
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b40fae07907f629a0fae8abc0bdd091214a4e6873ab36fb3fbbe76ed307db1d
[INFO] running `Command { std: "docker" "start" "-a" "0b40fae07907f629a0fae8abc0bdd091214a4e6873ab36fb3fbbe76ed307db1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-cbt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0b40fae07907f629a0fae8abc0bdd091214a4e6873ab36fb3fbbe76ed307db1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b40fae07907f629a0fae8abc0bdd091214a4e6873ab36fb3fbbe76ed307db1d", kill_on_drop: false }`
[INFO] [stdout] 0b40fae07907f629a0fae8abc0bdd091214a4e6873ab36fb3fbbe76ed307db1d
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2f4df095668ec018715fddc8b9e3855338b87b88870fcc2b8053fdf3347665e
[INFO] running `Command { std: "docker" "start" "-a" "c2f4df095668ec018715fddc8b9e3855338b87b88870fcc2b8053fdf3347665e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling merkle-cbt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "c2f4df095668ec018715fddc8b9e3855338b87b88870fcc2b8053fdf3347665e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f4df095668ec018715fddc8b9e3855338b87b88870fcc2b8053fdf3347665e", kill_on_drop: false }`
[INFO] [stdout] c2f4df095668ec018715fddc8b9e3855338b87b88870fcc2b8053fdf3347665e
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae7011b18a42bd284a787ff7a297145ce47b7f6f038e6bd85d7c1b7abbb18ba9
[INFO] running `Command { std: "docker" "start" "-a" "ae7011b18a42bd284a787ff7a297145ce47b7f6f038e6bd85d7c1b7abbb18ba9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merkle_cbt-b407e307a424c73a)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test merkle_tree::tests::build_proof ... ok
[INFO] [stdout] test merkle_tree::tests::rebuild_proof ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_directly ... ok
[INFO] [stdout] test merkle_tree::tests::build_five ... ok
[INFO] [stdout] test merkle_tree::tests::build_empty ... ok
[INFO] [stdout] test merkle_tree::tests::build_one ... ok
[INFO] [stdout] test merkle_tree::tests::build_two ... ok
[INFO] [stdout] test merkle_tree::tests::verify_retrieve_leaves ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_is_same_as_tree_root ... ok
[INFO] [stdout] test merkle_tree::tests::tree_root_is_same_as_proof_root ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle-cbt
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[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" "ae7011b18a42bd284a787ff7a297145ce47b7f6f038e6bd85d7c1b7abbb18ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7011b18a42bd284a787ff7a297145ce47b7f6f038e6bd85d7c1b7abbb18ba9", kill_on_drop: false }`
[INFO] [stdout] ae7011b18a42bd284a787ff7a297145ce47b7f6f038e6bd85d7c1b7abbb18ba9