[INFO] fetching crate tetsy-trie-db 0.22.3...
[INFO] checking tetsy-trie-db-0.22.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tetsy-trie-db 0.22.3 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate tetsy-trie-db 0.22.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-trie-db 0.22.3
[INFO] finished tweaking crates.io crate tetsy-trie-db 0.22.3
[INFO] tweaked toml for crates.io crate tetsy-trie-db 0.22.3 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ca1e4a6d86452c770f3d8dfc1a06eecadd9f090189dba2bf55c4211055199b
[INFO] running `Command { std: "docker" "start" "-a" "27ca1e4a6d86452c770f3d8dfc1a06eecadd9f090189dba2bf55c4211055199b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ca1e4a6d86452c770f3d8dfc1a06eecadd9f090189dba2bf55c4211055199b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ca1e4a6d86452c770f3d8dfc1a06eecadd9f090189dba2bf55c4211055199b", kill_on_drop: false }`
[INFO] [stdout] 27ca1e4a6d86452c770f3d8dfc1a06eecadd9f090189dba2bf55c4211055199b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6c1cff356eec0226d2716481c60e05b2a8377564719804964e6086865ef48f
[INFO] running `Command { std: "docker" "start" "-a" "1b6c1cff356eec0226d2716481c60e05b2a8377564719804964e6086865ef48f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1182:6
[INFO] [stdout]      |
[INFO] [stdout] 1182 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1228:6
[INFO] [stdout]      |
[INFO] [stdout] 1228 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1182:6
[INFO] [stdout]      |
[INFO] [stdout] 1182 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1228:6
[INFO] [stdout]      |
[INFO] [stdout] 1228 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/lib.rs:269:2
[INFO] [stdout]     |
[INFO] [stdout] 269 |     layout: L,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/triedbmut.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 let _ = &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/generate.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let _ = &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/verify.rs:454:6
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     let _ = &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/lib.rs:269:2
[INFO] [stdout]     |
[INFO] [stdout] 269 |     layout: L,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/triedbmut.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 let _ = &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/generate.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let _ = &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/verify.rs:454:6
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     let _ = &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "1b6c1cff356eec0226d2716481c60e05b2a8377564719804964e6086865ef48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6c1cff356eec0226d2716481c60e05b2a8377564719804964e6086865ef48f", kill_on_drop: false }`
[INFO] [stdout] 1b6c1cff356eec0226d2716481c60e05b2a8377564719804964e6086865ef48f