[INFO] fetching crate merkletreerust 0.1.7...
[INFO] testing merkletreerust-0.1.7 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate merkletreerust 0.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate merkletreerust 0.1.7
[INFO] finished tweaking crates.io crate merkletreerust 0.1.7
[INFO] tweaked toml for crates.io crate merkletreerust 0.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkletreerust 0.1.7 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 558fa60040c65e84d6a02cbba187944a30edb414cb1297a12fa7c830eca10fcc
[INFO] running `Command { std: "docker" "start" "-a" "558fa60040c65e84d6a02cbba187944a30edb414cb1297a12fa7c830eca10fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558fa60040c65e84d6a02cbba187944a30edb414cb1297a12fa7c830eca10fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558fa60040c65e84d6a02cbba187944a30edb414cb1297a12fa7c830eca10fcc", kill_on_drop: false }`
[INFO] [stdout] 558fa60040c65e84d6a02cbba187944a30edb414cb1297a12fa7c830eca10fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe49c4d5c66299d4e18695dfbcf171aca07b2b4f8660e5ae33354b6f88e49b6
[INFO] running `Command { std: "docker" "start" "-a" "8fe49c4d5c66299d4e18695dfbcf171aca07b2b4f8660e5ae33354b6f88e49b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling merkletreerust v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/merkletree.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     let data = nodes[nodes.len() - 1].clone();
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "8fe49c4d5c66299d4e18695dfbcf171aca07b2b4f8660e5ae33354b6f88e49b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe49c4d5c66299d4e18695dfbcf171aca07b2b4f8660e5ae33354b6f88e49b6", kill_on_drop: false }`
[INFO] [stdout] 8fe49c4d5c66299d4e18695dfbcf171aca07b2b4f8660e5ae33354b6f88e49b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465bd38162931b57942d4d0eaf2535a635f9aefb275a3274c07c4093c8a478da
[INFO] running `Command { std: "docker" "start" "-a" "465bd38162931b57942d4d0eaf2535a635f9aefb275a3274c07c4093c8a478da", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkletreerust v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/merkletree.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     let data = nodes[nodes.len() - 1].clone();
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/merkletree.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     let data = nodes[nodes.len() - 1].clone();
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "465bd38162931b57942d4d0eaf2535a635f9aefb275a3274c07c4093c8a478da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465bd38162931b57942d4d0eaf2535a635f9aefb275a3274c07c4093c8a478da", kill_on_drop: false }`
[INFO] [stdout] 465bd38162931b57942d4d0eaf2535a635f9aefb275a3274c07c4093c8a478da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 775377d4b02fe0f64924b71fe8c07cb22d7a50e6c91f70b08fdd3531a7da342b
[INFO] running `Command { std: "docker" "start" "-a" "775377d4b02fe0f64924b71fe8c07cb22d7a50e6c91f70b08fdd3531a7da342b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/merkletree.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     let data = nodes[nodes.len() - 1].clone();
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `merkletreerust` (lib) generated 1 warning
[INFO] [stderr] warning: `merkletreerust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkletreerust-7436e79fff29c53c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test buffer::test_parse_buffer_from_str ... ok
[INFO] [stderr]    Doc-tests merkletreerust
[INFO] [stdout] test tests::it_works ... 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] [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] running `Command { std: "docker" "inspect" "775377d4b02fe0f64924b71fe8c07cb22d7a50e6c91f70b08fdd3531a7da342b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775377d4b02fe0f64924b71fe8c07cb22d7a50e6c91f70b08fdd3531a7da342b", kill_on_drop: false }`
[INFO] [stdout] 775377d4b02fe0f64924b71fe8c07cb22d7a50e6c91f70b08fdd3531a7da342b