[INFO] fetching crate ethereum-trie-memory 0.5.0...
[INFO] checking ethereum-trie-memory-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ethereum-trie-memory 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ethereum-trie-memory 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum-trie-memory 0.5.0
[INFO] finished tweaking crates.io crate ethereum-trie-memory 0.5.0
[INFO] tweaked toml for crates.io crate ethereum-trie-memory 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding block-buffer v0.2.0 (latest: v0.10.4)
[INFO] [stderr]       Adding byte-tools v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding digest v0.6.1 (latest: v0.10.7)
[INFO] [stderr]       Adding elastic-array-plus v0.9.1 (latest: v0.10.0)
[INFO] [stderr]       Adding generic-array v0.8.4 (latest: v1.1.0)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.5.0)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding sha3 v0.6.0 (latest: v0.10.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded ethereum-hexutil v0.2.3
[INFO] [stderr]   Downloaded digest v0.6.1
[INFO] [stderr]   Downloaded ethereum-trie v0.5.0
[INFO] [stderr]   Downloaded generic-array v0.8.4
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded ethereum-rlp v0.2.3
[INFO] [stderr]   Downloaded elastic-array-plus v0.9.1
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded ethereum-bigint v0.2.9
[INFO] [stderr]   Downloaded sha3 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 755f188e11f445527d3f376d4783f2900358658666a486c50bd9829ca7575ad2
[INFO] running `Command { std: "docker" "start" "-a" "755f188e11f445527d3f376d4783f2900358658666a486c50bd9829ca7575ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755f188e11f445527d3f376d4783f2900358658666a486c50bd9829ca7575ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755f188e11f445527d3f376d4783f2900358658666a486c50bd9829ca7575ad2", kill_on_drop: false }`
[INFO] [stdout] 755f188e11f445527d3f376d4783f2900358658666a486c50bd9829ca7575ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40ea5b7fcd478e9561d5e291d13bef81b37db00048894028ff6f0fe16adcb856
[INFO] running `Command { std: "docker" "start" "-a" "40ea5b7fcd478e9561d5e291d13bef81b37db00048894028ff6f0fe16adcb856", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking elastic-array-plus v0.9.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking digest v0.6.1
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking ethereum-trie v0.5.0
[INFO] [stderr]     Checking ethereum-trie-memory v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DatabaseHandle`
[INFO] [stdout]  --> src/memory.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use trie::{DatabaseHandle, Change, insert, delete, build, get, EMPTY_TRIE_HASH};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stdout]   --> src/memory.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use trie::merkle::MerkleNode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlp::Rlp`
[INFO] [stdout]   --> src/memory.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use rlp::Rlp;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stdout]    --> src/memory.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     use std::cell::UnsafeCell;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hexutil::read_hex`
[INFO] [stdout]    --> src/memory.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     use hexutil::read_hex;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rlp`
[INFO] [stdout]  --> src/mutable.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlp::{self, Rlp};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use trie::merkle::MerkleNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlp::Rlp`
[INFO] [stdout]  --> src/cache.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlp::Rlp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DatabaseHandle`
[INFO] [stdout]  --> src/memory.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use trie::{DatabaseHandle, Change, insert, delete, build, get, EMPTY_TRIE_HASH};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rlp`
[INFO] [stdout]  --> src/mutable.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlp::{self, Rlp};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use trie::merkle::MerkleNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlp::Rlp`
[INFO] [stdout]  --> src/cache.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlp::Rlp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/memory.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |         for (key, value) in &map {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut btrie = MemoryTrieMut::build(&map);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cache.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut map = self.map.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cache.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut map = self.map.borrow_mut();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cache.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |             unsafe { Box::from_raw(ptr); }
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             unsafe { let _ = Box::from_raw(ptr); }
[INFO] [stdout]    |                      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cache.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut map = self.map.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cache.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut map = self.map.borrow_mut();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cache.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |             unsafe { Box::from_raw(ptr); }
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |             unsafe { let _ = Box::from_raw(ptr); }
[INFO] [stdout]    |                      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "40ea5b7fcd478e9561d5e291d13bef81b37db00048894028ff6f0fe16adcb856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ea5b7fcd478e9561d5e291d13bef81b37db00048894028ff6f0fe16adcb856", kill_on_drop: false }`
[INFO] [stdout] 40ea5b7fcd478e9561d5e291d13bef81b37db00048894028ff6f0fe16adcb856