[INFO] fetching crate hashtree 0.2.1... [INFO] testing hashtree-0.2.1 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate hashtree 0.2.1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate hashtree 0.2.1 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f7a93d1bb7f6dc911d0177841023f8065643f4d3f9caafa5769d7674f01e696 [INFO] running `Command { std: "docker" "start" "-a" "0f7a93d1bb7f6dc911d0177841023f8065643f4d3f9caafa5769d7674f01e696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f7a93d1bb7f6dc911d0177841023f8065643f4d3f9caafa5769d7674f01e696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f7a93d1bb7f6dc911d0177841023f8065643f4d3f9caafa5769d7674f01e696", kill_on_drop: false }` [INFO] [stdout] 0f7a93d1bb7f6dc911d0177841023f8065643f4d3f9caafa5769d7674f01e696 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a29f875c19444a1ef66802d401e206b69950703e75b2501341f590dc41848718 [INFO] running `Command { std: "docker" "start" "-a" "a29f875c19444a1ef66802d401e206b69950703e75b2501341f590dc41848718", 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(&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> { [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 0.38s [INFO] running `Command { std: "docker" "inspect" "a29f875c19444a1ef66802d401e206b69950703e75b2501341f590dc41848718", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a29f875c19444a1ef66802d401e206b69950703e75b2501341f590dc41848718", kill_on_drop: false }` [INFO] [stdout] a29f875c19444a1ef66802d401e206b69950703e75b2501341f590dc41848718 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bde964c60a4349c8ec3ad6a8d7ff754b43ec1c8c0c0c7a9b144f7f06eab169e6 [INFO] running `Command { std: "docker" "start" "-a" "bde964c60a4349c8ec3ad6a8d7ff754b43ec1c8c0c0c7a9b144f7f06eab169e6", 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(&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> { [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(&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> { [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 1.13s [INFO] running `Command { std: "docker" "inspect" "bde964c60a4349c8ec3ad6a8d7ff754b43ec1c8c0c0c7a9b144f7f06eab169e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bde964c60a4349c8ec3ad6a8d7ff754b43ec1c8c0c0c7a9b144f7f06eab169e6", kill_on_drop: false }` [INFO] [stdout] bde964c60a4349c8ec3ad6a8d7ff754b43ec1c8c0c0c7a9b144f7f06eab169e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 448f0738e12e7c47f85e50d3bfdaf26084d1591433f9027637207a07cbc1828e [INFO] running `Command { std: "docker" "start" "-a" "448f0738e12e7c47f85e50d3bfdaf26084d1591433f9027637207a07cbc1828e", 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(&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> { [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 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hashtree-e1796dc50da5e311) [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::is_empty (line 251) ... ok [INFO] [stdout] test src/lib.rs - HashTree::new (line 126) ... ok [INFO] [stdout] test src/lib.rs - HashTree::create (line 156) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "448f0738e12e7c47f85e50d3bfdaf26084d1591433f9027637207a07cbc1828e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "448f0738e12e7c47f85e50d3bfdaf26084d1591433f9027637207a07cbc1828e", kill_on_drop: false }` [INFO] [stdout] 448f0738e12e7c47f85e50d3bfdaf26084d1591433f9027637207a07cbc1828e