[INFO] cloning repository https://github.com/mfarmervt/sparse-merkle-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfarmervt/sparse-merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfarmervt%2Fsparse-merkle-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfarmervt%2Fsparse-merkle-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a8e3e4b6465f795f13611cbd3fc8c6cf1c5a124
[INFO] checking mfarmervt/sparse-merkle-tree against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfarmervt%2Fsparse-merkle-tree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mfarmervt/sparse-merkle-tree
[INFO] finished tweaking git repo https://github.com/mfarmervt/sparse-merkle-tree
[INFO] tweaked toml for git repo https://github.com/mfarmervt/sparse-merkle-tree written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mfarmervt/sparse-merkle-tree on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mfarmervt/sparse-merkle-tree 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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha v1.0.3
[INFO] [stderr]   Downloaded bswap v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2394dae5b53b2e81304443aa2f6bbb354de90ec2b265255897d320f2d074af1d
[INFO] running `Command { std: "docker" "start" "-a" "2394dae5b53b2e81304443aa2f6bbb354de90ec2b265255897d320f2d074af1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2394dae5b53b2e81304443aa2f6bbb354de90ec2b265255897d320f2d074af1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2394dae5b53b2e81304443aa2f6bbb354de90ec2b265255897d320f2d074af1d", kill_on_drop: false }`
[INFO] [stdout] 2394dae5b53b2e81304443aa2f6bbb354de90ec2b265255897d320f2d074af1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dfabe182240b0a8b1e75188a613d2c6db6fb8ba2980e6dbafc6e56fc9e3e756
[INFO] running `Command { std: "docker" "start" "-a" "7dfabe182240b0a8b1e75188a613d2c6db6fb8ba2980e6dbafc6e56fc9e3e756", kill_on_drop: false }`
[INFO] [stderr]     Checking bswap v1.0.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha v1.0.3
[INFO] [stderr]     Checking SparseMerkleTree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `prove` and `verify_proof` are never used
[INFO] [stdout]    --> src/main.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl SparseMerkleTree {
[INFO] [stdout]     | --------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn prove(){
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn verify_proof(){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `prove` and `verify_proof` are never used
[INFO] [stdout]    --> src/main.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl SparseMerkleTree {
[INFO] [stdout]     | --------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn prove(){
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn verify_proof(){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "7dfabe182240b0a8b1e75188a613d2c6db6fb8ba2980e6dbafc6e56fc9e3e756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfabe182240b0a8b1e75188a613d2c6db6fb8ba2980e6dbafc6e56fc9e3e756", kill_on_drop: false }`
[INFO] [stdout] 7dfabe182240b0a8b1e75188a613d2c6db6fb8ba2980e6dbafc6e56fc9e3e756
