[INFO] fetching crate light_merkle 0.1.0...
[INFO] testing light_merkle-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate light_merkle 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate light_merkle 0.1.0
[INFO] finished tweaking crates.io crate light_merkle 0.1.0
[INFO] tweaked toml for crates.io crate light_merkle 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate light_merkle 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 23 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a0b766a8a74a8be0670b47103956bb9e583b5bca0f1dbfffb8db96c847fba2f1
[INFO] running `Command { std: "docker" "start" "-a" "a0b766a8a74a8be0670b47103956bb9e583b5bca0f1dbfffb8db96c847fba2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b766a8a74a8be0670b47103956bb9e583b5bca0f1dbfffb8db96c847fba2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b766a8a74a8be0670b47103956bb9e583b5bca0f1dbfffb8db96c847fba2f1", kill_on_drop: false }`
[INFO] [stdout] a0b766a8a74a8be0670b47103956bb9e583b5bca0f1dbfffb8db96c847fba2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8522aea392e69e7ad6df12f1f924578c94578cf27bb998c5e893b3ffd002e3f8
[INFO] running `Command { std: "docker" "start" "-a" "8522aea392e69e7ad6df12f1f924578c94578cf27bb998c5e893b3ffd002e3f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling light_merkle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `sha2::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/light_merkle.rs:66:44
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Self::hex_encode(hasher.finalize().as_slice())
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Digest`
[INFO] [stdout]  --> src/light_merkle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sha2::Digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] [stdout] warning: value assigned to `hash` is never read
[INFO] [stdout]    --> src/light_merkle.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                         hash = &(String::from("0x") + hash_.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8522aea392e69e7ad6df12f1f924578c94578cf27bb998c5e893b3ffd002e3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8522aea392e69e7ad6df12f1f924578c94578cf27bb998c5e893b3ffd002e3f8", kill_on_drop: false }`
[INFO] [stdout] 8522aea392e69e7ad6df12f1f924578c94578cf27bb998c5e893b3ffd002e3f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ace1de54b8b55eb1dd765c37518af7e95b301694e733c5d3de2c2d0504b8ba07
[INFO] running `Command { std: "docker" "start" "-a" "ace1de54b8b55eb1dd765c37518af7e95b301694e733c5d3de2c2d0504b8ba07", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `sha2::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/light_merkle.rs:66:44
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Self::hex_encode(hasher.finalize().as_slice())
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Digest`
[INFO] [stdout]  --> src/light_merkle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sha2::Digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hash` is never read
[INFO] [stdout]    --> src/light_merkle.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                         hash = &(String::from("0x") + hash_.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling light_merkle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `sha2::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/light_merkle.rs:66:44
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Self::hex_encode(hasher.finalize().as_slice())
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hash` is never read
[INFO] [stdout]    --> src/light_merkle.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                         hash = &(String::from("0x") + hash_.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ace1de54b8b55eb1dd765c37518af7e95b301694e733c5d3de2c2d0504b8ba07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace1de54b8b55eb1dd765c37518af7e95b301694e733c5d3de2c2d0504b8ba07", kill_on_drop: false }`
[INFO] [stdout] ace1de54b8b55eb1dd765c37518af7e95b301694e733c5d3de2c2d0504b8ba07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 61370aebe623b3d1787aa2268cb53d131ee4d90e016b26173945e3131a40e23c
[INFO] running `Command { std: "docker" "start" "-a" "61370aebe623b3d1787aa2268cb53d131ee4d90e016b26173945e3131a40e23c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `sha2::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/light_merkle.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Self::hex_encode(hasher.finalize().as_slice())
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sha2::Digest`
[INFO] [stderr]  --> src/light_merkle.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sha2::Digest;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `hash` is never read
[INFO] [stderr]    --> src/light_merkle.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         hash = &(String::from("0x") + hash_.as_str());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `light_merkle` (lib) generated 3 warnings
[INFO] [stderr] warning: `light_merkle` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/light_merkle-9b73757e9dc4a463)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test light_merkle::test::test_generate_invalid_merkle_tree_list_len_not_pow_two ... ok
[INFO] [stdout] test light_merkle::test::test_generate_invalid_merkle_tree_list_len_zero ... ok
[INFO] [stdout] test light_merkle::test::test_generate_proof_invalid_leaf ... ok
[INFO] [stdout] test light_merkle::test::test_verify_merkle_tree_any_hasher_instance ... ok
[INFO] [stderr]    Doc-tests light_merkle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61370aebe623b3d1787aa2268cb53d131ee4d90e016b26173945e3131a40e23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61370aebe623b3d1787aa2268cb53d131ee4d90e016b26173945e3131a40e23c", kill_on_drop: false }`
[INFO] [stdout] 61370aebe623b3d1787aa2268cb53d131ee4d90e016b26173945e3131a40e23c