[INFO] fetching crate merkle-log 0.0.6...
[INFO] testing merkle-log-0.0.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate merkle-log 0.0.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate merkle-log 0.0.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b72d8a2035353435852258d142c2841f7eb330f34d15e9cc2601623f5edb62
[INFO] running `Command { std: "docker" "start" "-a" "74b72d8a2035353435852258d142c2841f7eb330f34d15e9cc2601623f5edb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b72d8a2035353435852258d142c2841f7eb330f34d15e9cc2601623f5edb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b72d8a2035353435852258d142c2841f7eb330f34d15e9cc2601623f5edb62", kill_on_drop: false }`
[INFO] [stdout] 74b72d8a2035353435852258d142c2841f7eb330f34d15e9cc2601623f5edb62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf1678ebe6b0e617f32fc3d512c345a59cd3c1c6edcc3aae37ea80a4bec0c732
[INFO] running `Command { std: "docker" "start" "-a" "cf1678ebe6b0e617f32fc3d512c345a59cd3c1c6edcc3aae37ea80a4bec0c732", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[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 v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[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 19.46s
[INFO] running `Command { std: "docker" "inspect" "cf1678ebe6b0e617f32fc3d512c345a59cd3c1c6edcc3aae37ea80a4bec0c732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1678ebe6b0e617f32fc3d512c345a59cd3c1c6edcc3aae37ea80a4bec0c732", kill_on_drop: false }`
[INFO] [stdout] cf1678ebe6b0e617f32fc3d512c345a59cd3c1c6edcc3aae37ea80a4bec0c732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb8361bfd189499cd1a45577c0b5abec6c090f0f87d9b9b7440e6cf463b16e81
[INFO] running `Command { std: "docker" "start" "-a" "bb8361bfd189499cd1a45577c0b5abec6c090f0f87d9b9b7440e6cf463b16e81", kill_on_drop: false }`
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[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 v0.9.5
[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 3.67s
[INFO] running `Command { std: "docker" "inspect" "bb8361bfd189499cd1a45577c0b5abec6c090f0f87d9b9b7440e6cf463b16e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8361bfd189499cd1a45577c0b5abec6c090f0f87d9b9b7440e6cf463b16e81", kill_on_drop: false }`
[INFO] [stdout] bb8361bfd189499cd1a45577c0b5abec6c090f0f87d9b9b7440e6cf463b16e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d11a7186a2b8ef823c8bef2d3363acada15d1e26588f677a829444e029877d4e
[INFO] running `Command { std: "docker" "start" "-a" "d11a7186a2b8ef823c8bef2d3363acada15d1e26588f677a829444e029877d4e", 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-1f2353562f80e843)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::creation ... ok
[INFO] [stderr]    Doc-tests merkle-log
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/util.rs - util::TreeID::sibling (line 276) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::is_leaf (line 201) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::right (line 331) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::spans (line 377) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::span (line 353) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::left (line 309) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::subroots (line 399) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::new (line 177) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::parent (line 255) ... ok
[INFO] [stdout] test src/lib.rs - MerkleLog<D, N>::appending_ids (line 249) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::index (line 217) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::uncle (line 292) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::proving_ids (line 448) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::depth (line 238) ... ok
[INFO] [stdout] test src/lib.rs - MerkleLog<D, N>::append (line 279) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::appending_ids (line 472) ... ok
[INFO] [stdout] test src/lib.rs - MerkleLog (line 39) ... ok
[INFO] [stdout] test src/lib.rs - MerkleLog<D, N>::proving_ids (line 137) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d11a7186a2b8ef823c8bef2d3363acada15d1e26588f677a829444e029877d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11a7186a2b8ef823c8bef2d3363acada15d1e26588f677a829444e029877d4e", kill_on_drop: false }`
[INFO] [stdout] d11a7186a2b8ef823c8bef2d3363acada15d1e26588f677a829444e029877d4e
