[INFO] fetching crate hashtree 0.2.1...
[INFO] testing hashtree-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate hashtree 0.2.1 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate hashtree 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 554e48a108c729978908d5624016bc27a19cf8e88f66efc8c9f442c342e22e2e
[INFO] running `Command { std: "docker" "start" "-a" "554e48a108c729978908d5624016bc27a19cf8e88f66efc8c9f442c342e22e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "554e48a108c729978908d5624016bc27a19cf8e88f66efc8c9f442c342e22e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554e48a108c729978908d5624016bc27a19cf8e88f66efc8c9f442c342e22e2e", kill_on_drop: false }`
[INFO] [stdout] 554e48a108c729978908d5624016bc27a19cf8e88f66efc8c9f442c342e22e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c4cf7e78ce97d09990ddea5c78394befd1a32d68762716d584ba47e80ad03c
[INFO] running `Command { std: "docker" "start" "-a" "49c4cf7e78ce97d09990ddea5c78394befd1a32d68762716d584ba47e80ad03c", 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 1.41s
[INFO] running `Command { std: "docker" "inspect" "49c4cf7e78ce97d09990ddea5c78394befd1a32d68762716d584ba47e80ad03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c4cf7e78ce97d09990ddea5c78394befd1a32d68762716d584ba47e80ad03c", kill_on_drop: false }`
[INFO] [stdout] 49c4cf7e78ce97d09990ddea5c78394befd1a32d68762716d584ba47e80ad03c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee13b9c2c459460c06ee2a5e269f1c53b592cd48b00f651a5bd0febfec005fe1
[INFO] running `Command { std: "docker" "start" "-a" "ee13b9c2c459460c06ee2a5e269f1c53b592cd48b00f651a5bd0febfec005fe1", kill_on_drop: false }`
[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] [stderr]    Compiling md5 v0.7.0
[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 1.39s
[INFO] running `Command { std: "docker" "inspect" "ee13b9c2c459460c06ee2a5e269f1c53b592cd48b00f651a5bd0febfec005fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee13b9c2c459460c06ee2a5e269f1c53b592cd48b00f651a5bd0febfec005fe1", kill_on_drop: false }`
[INFO] [stdout] ee13b9c2c459460c06ee2a5e269f1c53b592cd48b00f651a5bd0febfec005fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db166d2027aee07e6bb9eec2b729b9a422c4965bc93a0b28e843722e46e439d3
[INFO] running `Command { std: "docker" "start" "-a" "db166d2027aee07e6bb9eec2b729b9a422c4965bc93a0b28e843722e46e439d3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:234:33
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 234 |     pub fn insert<R>(&mut self, data: &mut R) 
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stderr] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashtree-ee6029f8e46fcb90)
[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 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db166d2027aee07e6bb9eec2b729b9a422c4965bc93a0b28e843722e46e439d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db166d2027aee07e6bb9eec2b729b9a422c4965bc93a0b28e843722e46e439d3", kill_on_drop: false }`
[INFO] [stdout] db166d2027aee07e6bb9eec2b729b9a422c4965bc93a0b28e843722e46e439d3
