[INFO] fetching crate blockchain-base 0.1.0... [INFO] checking blockchain-base-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate blockchain-base 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate blockchain-base 0.1.0 [INFO] finished tweaking crates.io crate blockchain-base 0.1.0 [INFO] tweaked toml for crates.io crate blockchain-base 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blockchain-base 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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 24 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4939a18c785113f5b0e06bf12bffb7ec2bd4fd4e97a03986bd4ae2590f6f7713 [INFO] running `Command { std: "docker" "start" "-a" "4939a18c785113f5b0e06bf12bffb7ec2bd4fd4e97a03986bd4ae2590f6f7713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4939a18c785113f5b0e06bf12bffb7ec2bd4fd4e97a03986bd4ae2590f6f7713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4939a18c785113f5b0e06bf12bffb7ec2bd4fd4e97a03986bd4ae2590f6f7713", kill_on_drop: false }` [INFO] [stdout] 4939a18c785113f5b0e06bf12bffb7ec2bd4fd4e97a03986bd4ae2590f6f7713 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 417a18fd4124a134a39cc9b0761ed2f650809998a304fedd314c62f2b16cd817 [INFO] running `Command { std: "docker" "start" "-a" "417a18fd4124a134a39cc9b0761ed2f650809998a304fedd314c62f2b16cd817", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling cc v1.2.34 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking crypto-hash v0.3.4 [INFO] [stderr] Checking blockchain-base v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/blockchainblock.rs:87:52 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock { [INFO] [stdout] | ^^^^ the lifetime is elided here ------------------ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/blockchainblock.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | &self.curr_hash.copy_from_slice(&digest); [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] 252 | let _ = &self.curr_hash.copy_from_slice(&digest); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/blockchainblock.rs:87:52 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock { [INFO] [stdout] | ^^^^ the lifetime is elided here ------------------ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/blockchainblock.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | &self.curr_hash.copy_from_slice(&digest); [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] 252 | let _ = &self.curr_hash.copy_from_slice(&digest); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.69s [INFO] running `Command { std: "docker" "inspect" "417a18fd4124a134a39cc9b0761ed2f650809998a304fedd314c62f2b16cd817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "417a18fd4124a134a39cc9b0761ed2f650809998a304fedd314c62f2b16cd817", kill_on_drop: false }` [INFO] [stdout] 417a18fd4124a134a39cc9b0761ed2f650809998a304fedd314c62f2b16cd817