[INFO] updating cached repository tawaren/MultiMerkleTreeProofs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tawaren/MultiMerkleTreeProofs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tawaren/MultiMerkleTreeProofs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tawaren/MultiMerkleTreeProofs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tawaren/MultiMerkleTreeProofs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tawaren/MultiMerkleTreeProofs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 96e9ccab70b111cbbb2457397bfdfbfe8bd51f57 [INFO] sha for GitHub repo tawaren/MultiMerkleTreeProofs: 96e9ccab70b111cbbb2457397bfdfbfe8bd51f57 [INFO] validating manifest of tawaren/MultiMerkleTreeProofs on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tawaren/MultiMerkleTreeProofs on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tawaren/MultiMerkleTreeProofs [INFO] finished frobbing tawaren/MultiMerkleTreeProofs [INFO] frobbed toml for tawaren/MultiMerkleTreeProofs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs/Cargo.toml [INFO] started frobbing tawaren/MultiMerkleTreeProofs [INFO] finished frobbing tawaren/MultiMerkleTreeProofs [INFO] frobbed toml for tawaren/MultiMerkleTreeProofs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tawaren/MultiMerkleTreeProofs/Cargo.toml [INFO] crate tawaren/MultiMerkleTreeProofs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tawaren/MultiMerkleTreeProofs against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 4eafdc660fbc69913da29ec9aea860777d2e6ad48c4f0ef5542003560222a005 [INFO] running `"docker" "start" "-a" "4eafdc660fbc69913da29ec9aea860777d2e6ad48c4f0ef5542003560222a005"` [INFO] [stderr] Compiling multi_merkle_proof v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/tree_hash.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/tree_hash.rs:41:26 [INFO] [stderr] | [INFO] [stderr] 41 | indicator &= (indicator-1); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::prelude::*` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use rand::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:71:45 [INFO] [stderr] | [INFO] [stderr] 71 | let values:Vec<_> = sorted.iter().map(|(i,v)|(*v).clone()).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:72:48 [INFO] [stderr] | [INFO] [stderr] 72 | let indices:Vec<_> = sorted.iter().map(|(i,v)|*i).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/tree_hash.rs:23:21 [INFO] [stderr] | [INFO] [stderr] 19 | self.0[level] = match &self.0[level] { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 23 | if !self.push_node( level+1, existing.hash_merge(node)) { return false; } [INFO] [stderr] | ^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `"docker" "inspect" "4eafdc660fbc69913da29ec9aea860777d2e6ad48c4f0ef5542003560222a005"` [INFO] running `"docker" "rm" "-f" "4eafdc660fbc69913da29ec9aea860777d2e6ad48c4f0ef5542003560222a005"` [INFO] [stdout] 4eafdc660fbc69913da29ec9aea860777d2e6ad48c4f0ef5542003560222a005 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8878bcda6fc197d14d3a1e78cce37f2c8e74278915c3dca5deed633920911d9e [INFO] running `"docker" "start" "-a" "8878bcda6fc197d14d3a1e78cce37f2c8e74278915c3dca5deed633920911d9e"` [INFO] [stderr] Compiling multi_merkle_proof v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/tree_hash.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/tree_hash.rs:41:26 [INFO] [stderr] | [INFO] [stderr] 41 | indicator &= (indicator-1); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:71:45 [INFO] [stderr] | [INFO] [stderr] 71 | let values:Vec<_> = sorted.iter().map(|(i,v)|(*v).clone()).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:72:48 [INFO] [stderr] | [INFO] [stderr] 72 | let indices:Vec<_> = sorted.iter().map(|(i,v)|*i).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/lib.rs:153:18 [INFO] [stderr] | [INFO] [stderr] 153 | fn root_hash(height:u64) -> IndexVirtHash { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/lib.rs:167:17 [INFO] [stderr] | [INFO] [stderr] 167 | let val = leaf_hash(index,height); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/tree_hash.rs:23:21 [INFO] [stderr] | [INFO] [stderr] 19 | self.0[level] = match &self.0[level] { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 23 | if !self.push_node( level+1, existing.hash_merge(node)) { return false; } [INFO] [stderr] | ^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `"docker" "inspect" "8878bcda6fc197d14d3a1e78cce37f2c8e74278915c3dca5deed633920911d9e"` [INFO] running `"docker" "rm" "-f" "8878bcda6fc197d14d3a1e78cce37f2c8e74278915c3dca5deed633920911d9e"` [INFO] [stdout] 8878bcda6fc197d14d3a1e78cce37f2c8e74278915c3dca5deed633920911d9e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tawaren/MultiMerkleTreeProofs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] c50f0aa411d68d6b34d7c553857490861a18a979fcce73ec6efc2b28745f3472 [INFO] running `"docker" "start" "-a" "c50f0aa411d68d6b34d7c553857490861a18a979fcce73ec6efc2b28745f3472"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/multi_merkle_proof-bf52d1ea5ee9b89a [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::test_single_same_elem ... ok [INFO] [stdout] test test::test_single ... ok [INFO] [stdout] test test::test_right_most ... ok [INFO] [stdout] test test::test_left_most ... ok [INFO] [stdout] test test::test_many ... test test::test_many has been running for over 60 seconds [INFO] [stdout] test test::test_many ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests multi_merkle_proof [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "c50f0aa411d68d6b34d7c553857490861a18a979fcce73ec6efc2b28745f3472"` [INFO] running `"docker" "rm" "-f" "c50f0aa411d68d6b34d7c553857490861a18a979fcce73ec6efc2b28745f3472"` [INFO] [stdout] c50f0aa411d68d6b34d7c553857490861a18a979fcce73ec6efc2b28745f3472