[INFO] fetching crate hashtree 0.3.1...
[INFO] testing hashtree-0.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate hashtree 0.3.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate hashtree 0.3.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashtree 0.3.1
[INFO] finished tweaking crates.io crate hashtree 0.3.1
[INFO] tweaked toml for crates.io crate hashtree 0.3.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d92d4e904f44a3341b407b5638fc06be2c3acfb0cc723162eadd01d3f89abf
[INFO] running `Command { std: "docker" "start" "-a" "00d92d4e904f44a3341b407b5638fc06be2c3acfb0cc723162eadd01d3f89abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d92d4e904f44a3341b407b5638fc06be2c3acfb0cc723162eadd01d3f89abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d92d4e904f44a3341b407b5638fc06be2c3acfb0cc723162eadd01d3f89abf", kill_on_drop: false }`
[INFO] [stdout] 00d92d4e904f44a3341b407b5638fc06be2c3acfb0cc723162eadd01d3f89abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620de8e440230003f7c291099189845f1a56d96f9acdcd77bb7eaecb78fc7518
[INFO] running `Command { std: "docker" "start" "-a" "620de8e440230003f7c291099189845f1a56d96f9acdcd77bb7eaecb78fc7518", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling hashtree v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn insert<R: Read>(&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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "620de8e440230003f7c291099189845f1a56d96f9acdcd77bb7eaecb78fc7518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620de8e440230003f7c291099189845f1a56d96f9acdcd77bb7eaecb78fc7518", kill_on_drop: false }`
[INFO] [stdout] 620de8e440230003f7c291099189845f1a56d96f9acdcd77bb7eaecb78fc7518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07784e3bcb21f0a70a5a04cf8c270c8047c3e1ec57d4ff5ed4f6da56d45135c2
[INFO] running `Command { std: "docker" "start" "-a" "07784e3bcb21f0a70a5a04cf8c270c8047c3e1ec57d4ff5ed4f6da56d45135c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn insert<R: Read>(&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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hashtree v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn insert<R: Read>(&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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "07784e3bcb21f0a70a5a04cf8c270c8047c3e1ec57d4ff5ed4f6da56d45135c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07784e3bcb21f0a70a5a04cf8c270c8047c3e1ec57d4ff5ed4f6da56d45135c2", kill_on_drop: false }`
[INFO] [stdout] 07784e3bcb21f0a70a5a04cf8c270c8047c3e1ec57d4ff5ed4f6da56d45135c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6156627efd873e51669cc5fd7d60193e6417ffa2911faa7b6eaabacdbbe72db
[INFO] running `Command { std: "docker" "start" "-a" "d6156627efd873e51669cc5fd7d60193e6417ffa2911faa7b6eaabacdbbe72db", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:184:39
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn insert<R: Read>(&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: `hashtree` (lib) generated 1 warning
[INFO] [stderr] warning: `hashtree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashtree-1d674e0773b24edc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::one_byte_test ... ok
[INFO] [stdout] test tests::four_k_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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::new (line 71) ... ok
[INFO] [stdout] test src/lib.rs - HashTree::is_empty (line 198) ... ok
[INFO] [stdout] test src/lib.rs - HashTree::create (line 96) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6156627efd873e51669cc5fd7d60193e6417ffa2911faa7b6eaabacdbbe72db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6156627efd873e51669cc5fd7d60193e6417ffa2911faa7b6eaabacdbbe72db", kill_on_drop: false }`
[INFO] [stdout] d6156627efd873e51669cc5fd7d60193e6417ffa2911faa7b6eaabacdbbe72db