[INFO] cloning repository https://github.com/rista404/merkletree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rista404/merkletree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frista404%2Fmerkletree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frista404%2Fmerkletree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5c2f761fc4e76ce3c55bc8e85c2115277c9bf38
[INFO] testing rista404/merkletree against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frista404%2Fmerkletree" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rista404/merkletree on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rista404/merkletree
[INFO] finished tweaking git repo https://github.com/rista404/merkletree
[INFO] tweaked toml for git repo https://github.com/rista404/merkletree written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rista404/merkletree 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/2068f2883348cac69e4b960560089bd1c397f5c5ce33025b65073691f1e6490a-init: no space left on device
[INFO] testing rista404/merkletree against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frista404%2Fmerkletree" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rista404/merkletree on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rista404/merkletree
[INFO] finished tweaking git repo https://github.com/rista404/merkletree
[INFO] tweaked toml for git repo https://github.com/rista404/merkletree written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rista404/merkletree 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6cbf7ec73630d81a99939d014943ae8d59a61ec4581b600574aa1d44e881b87
[INFO] running `Command { std: "docker" "start" "-a" "c6cbf7ec73630d81a99939d014943ae8d59a61ec4581b600574aa1d44e881b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6cbf7ec73630d81a99939d014943ae8d59a61ec4581b600574aa1d44e881b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cbf7ec73630d81a99939d014943ae8d59a61ec4581b600574aa1d44e881b87", kill_on_drop: false }`
[INFO] [stdout] c6cbf7ec73630d81a99939d014943ae8d59a61ec4581b600574aa1d44e881b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e7102f90eb1e4e525f643d603e64a072d16feacadb177e25e7a37d038b491d
[INFO] running `Command { std: "docker" "start" "-a" "23e7102f90eb1e4e525f643d603e64a072d16feacadb177e25e7a37d038b491d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[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 merkletree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "23e7102f90eb1e4e525f643d603e64a072d16feacadb177e25e7a37d038b491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e7102f90eb1e4e525f643d603e64a072d16feacadb177e25e7a37d038b491d", kill_on_drop: false }`
[INFO] [stdout] 23e7102f90eb1e4e525f643d603e64a072d16feacadb177e25e7a37d038b491d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4058966ac13e63391114f2a5f6ba9e995ed0467a57af40d1ccde070eb7209b1
[INFO] running `Command { std: "docker" "start" "-a" "f4058966ac13e63391114f2a5f6ba9e995ed0467a57af40d1ccde070eb7209b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkletree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f4058966ac13e63391114f2a5f6ba9e995ed0467a57af40d1ccde070eb7209b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4058966ac13e63391114f2a5f6ba9e995ed0467a57af40d1ccde070eb7209b1", kill_on_drop: false }`
[INFO] [stdout] f4058966ac13e63391114f2a5f6ba9e995ed0467a57af40d1ccde070eb7209b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ae052d58b02bdf502d18e372c7612b6c716fc1d3e15e49a2825193b497689d2
[INFO] running `Command { std: "docker" "start" "-a" "3ae052d58b02bdf502d18e372c7612b6c716fc1d3e15e49a2825193b497689d2", 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/merkletree-f69628e3a7830c33)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::it_fails_an_invalid_index ... ok
[INFO] [stdout] test tests::it_fails_a_shorter_proof ... ok
[INFO] [stdout] test tests::it_fails_an_invalid_proof ... ok
[INFO] [stdout] test tests::it_fails_an_invalid_root ... ok
[INFO] [stdout] test tests::it_fails_invalid_index_single_leaf ... ok
[INFO] [stdout] test tests::it_fails_invalid_index_modulus ... ok
[INFO] [stdout] test tests::it_generates_tree ... ok
[INFO] [stdout] test tests::it_saves_values ... ok
[INFO] [stdout] test tests::it_verifies_a_valid_proof ... ok
[INFO] [stdout] test tests::it_returns_correct_root ... ok
[INFO] [stdout] test tests::it_verifies_an_odd_leaf ... ok
[INFO] [stdout] test tests::it_generates_proof_for_index ... ok
[INFO] [stdout] test tests::it_fails_invalid_value_single_leaf ... ok
[INFO] [stdout] test tests::it_generates_proof ... ok
[INFO] [stdout] test tests::it_returns_correct_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkletree
[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" "3ae052d58b02bdf502d18e372c7612b6c716fc1d3e15e49a2825193b497689d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae052d58b02bdf502d18e372c7612b6c716fc1d3e15e49a2825193b497689d2", kill_on_drop: false }`
[INFO] [stdout] 3ae052d58b02bdf502d18e372c7612b6c716fc1d3e15e49a2825193b497689d2