[INFO] fetching crate hashtree 0.2.1...
[INFO] testing hashtree-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate hashtree 0.2.1 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate hashtree 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashtree 0.2.1
[INFO] finished tweaking crates.io crate hashtree 0.2.1
[INFO] tweaked toml for crates.io crate hashtree 0.2.1 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f69da74ee7acef21c2e50811b6517a48b5c28f6ab8db5a4de35d8052d412ef
[INFO] running `Command { std: "docker" "start" "-a" "56f69da74ee7acef21c2e50811b6517a48b5c28f6ab8db5a4de35d8052d412ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f69da74ee7acef21c2e50811b6517a48b5c28f6ab8db5a4de35d8052d412ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f69da74ee7acef21c2e50811b6517a48b5c28f6ab8db5a4de35d8052d412ef", kill_on_drop: false }`
[INFO] [stdout] 56f69da74ee7acef21c2e50811b6517a48b5c28f6ab8db5a4de35d8052d412ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11c78a87e3adb92a303d42fc1b273fe574fc2007241891b810ea8635360339c3
[INFO] running `Command { std: "docker" "start" "-a" "11c78a87e3adb92a303d42fc1b273fe574fc2007241891b810ea8635360339c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashtree v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn insert<R>(&mut self, data: &mut R) 
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/lib.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn find(&self, hash: T) -> Option<&HashTreeNode<T>> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "11c78a87e3adb92a303d42fc1b273fe574fc2007241891b810ea8635360339c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c78a87e3adb92a303d42fc1b273fe574fc2007241891b810ea8635360339c3", kill_on_drop: false }`
[INFO] [stdout] 11c78a87e3adb92a303d42fc1b273fe574fc2007241891b810ea8635360339c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706c0508421dc950aa6c661b484c321985e9ba00717329d2ae21d033d06d7aee
[INFO] running `Command { std: "docker" "start" "-a" "706c0508421dc950aa6c661b484c321985e9ba00717329d2ae21d033d06d7aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn insert<R>(&mut self, data: &mut R) 
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/lib.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn find(&self, hash: T) -> Option<&HashTreeNode<T>> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hashtree v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn insert<R>(&mut self, data: &mut R) 
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/lib.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn find(&self, hash: T) -> Option<&HashTreeNode<T>> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "706c0508421dc950aa6c661b484c321985e9ba00717329d2ae21d033d06d7aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706c0508421dc950aa6c661b484c321985e9ba00717329d2ae21d033d06d7aee", kill_on_drop: false }`
[INFO] [stdout] 706c0508421dc950aa6c661b484c321985e9ba00717329d2ae21d033d06d7aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e137fb3fb8e10aa4ece0f137dfc87caf5f67f564675da9333be4b74047bacf6
[INFO] running `Command { std: "docker" "start" "-a" "4e137fb3fb8e10aa4ece0f137dfc87caf5f67f564675da9333be4b74047bacf6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:234:33
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn insert<R>(&mut self, data: &mut R) 
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]    --> src/lib.rs:282:24
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn find(&self, hash: T) -> Option<&HashTreeNode<T>> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: `hashtree` (lib) generated 2 warnings
[INFO] [stderr] warning: `hashtree` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashtree-370924a9fd62febe)
[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] [stderr]    Doc-tests hashtree
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - HashTree<T, F>::new (line 126) ... ok
[INFO] [stdout] test src/lib.rs - HashTree<T, F>::is_empty (line 251) ... ok
[INFO] [stdout] test src/lib.rs - HashTree<T, F>::create (line 156) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e137fb3fb8e10aa4ece0f137dfc87caf5f67f564675da9333be4b74047bacf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e137fb3fb8e10aa4ece0f137dfc87caf5f67f564675da9333be4b74047bacf6", kill_on_drop: false }`
[INFO] [stdout] 4e137fb3fb8e10aa4ece0f137dfc87caf5f67f564675da9333be4b74047bacf6
