[INFO] fetching crate merkle-log 0.0.6... [INFO] testing merkle-log-0.0.6 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate merkle-log 0.0.6 into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate merkle-log 0.0.6 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate merkle-log 0.0.6 [INFO] finished tweaking crates.io crate merkle-log 0.0.6 [INFO] tweaked toml for crates.io crate merkle-log 0.0.6 written to /workspace/builds/worker-27/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d9bab4fad1329f99fd945638249fd83dee8878c5ecdcc76fcbff412080add02 [INFO] running `Command { std: "docker" "start" "-a" "4d9bab4fad1329f99fd945638249fd83dee8878c5ecdcc76fcbff412080add02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d9bab4fad1329f99fd945638249fd83dee8878c5ecdcc76fcbff412080add02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d9bab4fad1329f99fd945638249fd83dee8878c5ecdcc76fcbff412080add02", kill_on_drop: false }` [INFO] [stdout] 4d9bab4fad1329f99fd945638249fd83dee8878c5ecdcc76fcbff412080add02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 286468e3907631ea1360555181997aa5dc71a254bc8fab1727524e702cf49451 [INFO] running `Command { std: "docker" "start" "-a" "286468e3907631ea1360555181997aa5dc71a254bc8fab1727524e702cf49451", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling merkle-log v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `root_id` [INFO] [stdout] --> src/util.rs:502:25 [INFO] [stdout] | [INFO] [stdout] 502 | pub(crate) const fn root_id(size: u64) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.65s [INFO] running `Command { std: "docker" "inspect" "286468e3907631ea1360555181997aa5dc71a254bc8fab1727524e702cf49451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "286468e3907631ea1360555181997aa5dc71a254bc8fab1727524e702cf49451", kill_on_drop: false }` [INFO] [stdout] 286468e3907631ea1360555181997aa5dc71a254bc8fab1727524e702cf49451 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b063bfc84d22cf6baed194afaf8c0cb1771f6efac3d3d0655be9aa1e09647f90 [INFO] running `Command { std: "docker" "start" "-a" "b063bfc84d22cf6baed194afaf8c0cb1771f6efac3d3d0655be9aa1e09647f90", kill_on_drop: false }` [INFO] [stderr] Compiling cpufeatures v0.2.1 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stdout] warning: associated function is never used: `root_id` [INFO] [stdout] --> src/util.rs:502:25 [INFO] [stdout] | [INFO] [stdout] 502 | pub(crate) const fn root_id(size: u64) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sha2 v0.9.8 [INFO] [stderr] Compiling merkle-log v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `root_id` [INFO] [stdout] --> src/util.rs:502:25 [INFO] [stdout] | [INFO] [stdout] 502 | pub(crate) const fn root_id(size: u64) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.99s [INFO] running `Command { std: "docker" "inspect" "b063bfc84d22cf6baed194afaf8c0cb1771f6efac3d3d0655be9aa1e09647f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b063bfc84d22cf6baed194afaf8c0cb1771f6efac3d3d0655be9aa1e09647f90", kill_on_drop: false }` [INFO] [stdout] b063bfc84d22cf6baed194afaf8c0cb1771f6efac3d3d0655be9aa1e09647f90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 79a4c1543f0e8bbabff0cfbd67fc7effbde3e1b42b0d0b318d55f7146b7cbcaa [INFO] running `Command { std: "docker" "start" "-a" "79a4c1543f0e8bbabff0cfbd67fc7effbde3e1b42b0d0b318d55f7146b7cbcaa", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `root_id` [INFO] [stderr] --> src/util.rs:502:25 [INFO] [stderr] | [INFO] [stderr] 502 | pub(crate) const fn root_id(size: u64) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `merkle-log` (lib) generated 1 warning [INFO] [stderr] warning: `merkle-log` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/merkle_log-853a70569bf28720) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::creation ... ok [INFO] [stdout] test tests::prove_and_verify ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests merkle-log [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test src/util.rs - util::TreeID::depth (line 238) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::index (line 217) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::sibling (line 276) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::right (line 331) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::is_leaf (line 201) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::new (line 177) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::appending_ids (line 472) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::span (line 353) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::parent (line 255) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::spans (line 377) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::uncle (line 292) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::subroots (line 399) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::proving_ids (line 448) ... ok [INFO] [stdout] test src/util.rs - util::TreeID::left (line 309) ... ok [INFO] [stdout] test src/lib.rs - MerkleLog::appending_ids (line 249) ... ok [INFO] [stdout] test src/lib.rs - MerkleLog::proving_ids (line 137) ... ok [INFO] [stdout] test src/lib.rs - MerkleLog::append (line 279) ... ok [INFO] [stdout] test src/lib.rs - MerkleLog (line 39) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.31s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "79a4c1543f0e8bbabff0cfbd67fc7effbde3e1b42b0d0b318d55f7146b7cbcaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79a4c1543f0e8bbabff0cfbd67fc7effbde3e1b42b0d0b318d55f7146b7cbcaa", kill_on_drop: false }` [INFO] [stdout] 79a4c1543f0e8bbabff0cfbd67fc7effbde3e1b42b0d0b318d55f7146b7cbcaa