[INFO] fetching crate blockchain-base 0.1.0... [INFO] testing blockchain-base-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate blockchain-base 0.1.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate blockchain-base 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crypto-hash v0.3.4 [INFO] [stderr] Downloaded commoncrypto-sys v0.2.0 [INFO] [stderr] Downloaded commoncrypto v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9f3b47dc57971e81fce149b7b3465fd8ac10142807b6adebab88665ceb51fc6 [INFO] running `Command { std: "docker" "start" "-a" "d9f3b47dc57971e81fce149b7b3465fd8ac10142807b6adebab88665ceb51fc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9f3b47dc57971e81fce149b7b3465fd8ac10142807b6adebab88665ceb51fc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f3b47dc57971e81fce149b7b3465fd8ac10142807b6adebab88665ceb51fc6", kill_on_drop: false }` [INFO] [stdout] d9f3b47dc57971e81fce149b7b3465fd8ac10142807b6adebab88665ceb51fc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96e11277a1fdff74edbb07a2816c8bbb4781c4c027c09ca331c201a4d0189a74 [INFO] running `Command { std: "docker" "start" "-a" "96e11277a1fdff74edbb07a2816c8bbb4781c4c027c09ca331c201a4d0189a74", kill_on_drop: false }` [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling crypto-hash v0.3.4 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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 0.88s [INFO] running `Command { std: "docker" "inspect" "96e11277a1fdff74edbb07a2816c8bbb4781c4c027c09ca331c201a4d0189a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e11277a1fdff74edbb07a2816c8bbb4781c4c027c09ca331c201a4d0189a74", kill_on_drop: false }` [INFO] [stdout] 96e11277a1fdff74edbb07a2816c8bbb4781c4c027c09ca331c201a4d0189a74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7efbca5ec3b57b43f61030d59a0700e1a1f2cf87119f07756a7e9e947083fd49 [INFO] running `Command { std: "docker" "start" "-a" "7efbca5ec3b57b43f61030d59a0700e1a1f2cf87119f07756a7e9e947083fd49", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "7efbca5ec3b57b43f61030d59a0700e1a1f2cf87119f07756a7e9e947083fd49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7efbca5ec3b57b43f61030d59a0700e1a1f2cf87119f07756a7e9e947083fd49", kill_on_drop: false }` [INFO] [stdout] 7efbca5ec3b57b43f61030d59a0700e1a1f2cf87119f07756a7e9e947083fd49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 825b5e1f03ca0d84f346aad2990a8e8588a901c76c81239dd51a47478766bbbc [INFO] running `Command { std: "docker" "start" "-a" "825b5e1f03ca0d84f346aad2990a8e8588a901c76c81239dd51a47478766bbbc", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/blockchainblock.rs:87:52 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock { [INFO] [stderr] | ^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 87 | pub fn new(prev_hash: Option, data: &[T], timestamp: u64, nonce: u64) -> BlockchainBlock<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/blockchainblock.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | &self.curr_hash.copy_from_slice(&digest); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 252 | let _ = &self.curr_hash.copy_from_slice(&digest); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `blockchain-base` (lib) generated 2 warnings (run `cargo fix --lib -p blockchain-base` to apply 1 suggestion) [INFO] [stderr] warning: `blockchain-base` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blockchainblock-9673bb31098d6244) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Doc-tests blockchainblock [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::new (line 42) ... ok [INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::check_value_inblock (line 114) ... ok [INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::new (line 57) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "825b5e1f03ca0d84f346aad2990a8e8588a901c76c81239dd51a47478766bbbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825b5e1f03ca0d84f346aad2990a8e8588a901c76c81239dd51a47478766bbbc", kill_on_drop: false }` [INFO] [stdout] 825b5e1f03ca0d84f346aad2990a8e8588a901c76c81239dd51a47478766bbbc