[INFO] cloning repository https://github.com/herryho/merkle-tree-herry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/herryho/merkle-tree-herry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherryho%2Fmerkle-tree-herry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherryho%2Fmerkle-tree-herry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1db9d4d0397ebed887fe66255d56bbc8ad8005b0
[INFO] testing herryho/merkle-tree-herry against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherryho%2Fmerkle-tree-herry" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/herryho/merkle-tree-herry on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/herryho/merkle-tree-herry
[INFO] finished tweaking git repo https://github.com/herryho/merkle-tree-herry
[INFO] tweaked toml for git repo https://github.com/herryho/merkle-tree-herry written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/herryho/merkle-tree-herry 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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 crypto-common v0.1.6
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded block-buffer v0.10.4
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded version_check v0.9.4
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26daec9248e1c85ac831bf3cf29f3c9c95611d6eaef42450ff11ed0190de6e26
[INFO] running `Command { std: "docker" "start" "-a" "26daec9248e1c85ac831bf3cf29f3c9c95611d6eaef42450ff11ed0190de6e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26daec9248e1c85ac831bf3cf29f3c9c95611d6eaef42450ff11ed0190de6e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26daec9248e1c85ac831bf3cf29f3c9c95611d6eaef42450ff11ed0190de6e26", kill_on_drop: false }`
[INFO] [stdout] 26daec9248e1c85ac831bf3cf29f3c9c95611d6eaef42450ff11ed0190de6e26
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1995434c77e223d5f5d34c540d9102acf4f1bef76d65a5453fdd0d0b98b9028e
[INFO] running `Command { std: "docker" "start" "-a" "1995434c77e223d5f5d34c540d9102acf4f1bef76d65a5453fdd0d0b98b9028e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling merkle-tree-herry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "1995434c77e223d5f5d34c540d9102acf4f1bef76d65a5453fdd0d0b98b9028e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1995434c77e223d5f5d34c540d9102acf4f1bef76d65a5453fdd0d0b98b9028e", kill_on_drop: false }`
[INFO] [stdout] 1995434c77e223d5f5d34c540d9102acf4f1bef76d65a5453fdd0d0b98b9028e
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030673494f7728e8790d9a1a2f4bc31d64a18e615895a404471f07fba22aa1f8
[INFO] running `Command { std: "docker" "start" "-a" "030673494f7728e8790d9a1a2f4bc31d64a18e615895a404471f07fba22aa1f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-tree-herry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "030673494f7728e8790d9a1a2f4bc31d64a18e615895a404471f07fba22aa1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030673494f7728e8790d9a1a2f4bc31d64a18e615895a404471f07fba22aa1f8", kill_on_drop: false }`
[INFO] [stdout] 030673494f7728e8790d9a1a2f4bc31d64a18e615895a404471f07fba22aa1f8
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ac55eef41223d0add396d4eb87fb73c259a280fe806e5c827fc3cb49eeb2b1
[INFO] running `Command { std: "docker" "start" "-a" "96ac55eef41223d0add396d4eb87fb73c259a280fe806e5c827fc3cb49eeb2b1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_tree_herry-e00094ef27777bf3)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test merkle::tests::test_prove ... ok
[INFO] [stdout] test merkle::tests::test_empty_input_tree_construction ... ok
[INFO] [stdout] test merkle::tests::test_prove_non_existent ... ok
[INFO] [stdout] test merkle::tests::test_verify ... ok
[INFO] [stdout] test merkle::tests::test_verify_non_existent ... ok
[INFO] [stdout] test merkle::tests::test_verify_proof ... ok
[INFO] [stdout] test merkle::tests::test_constructions ... ok
[INFO] [stdout] test merkle::tests::test_verify_proof_non_existent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle_tree_herry
[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" "96ac55eef41223d0add396d4eb87fb73c259a280fe806e5c827fc3cb49eeb2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ac55eef41223d0add396d4eb87fb73c259a280fe806e5c827fc3cb49eeb2b1", kill_on_drop: false }`
[INFO] [stdout] 96ac55eef41223d0add396d4eb87fb73c259a280fe806e5c827fc3cb49eeb2b1