[INFO] fetching crate trie-db 0.23.0...
[INFO] testing trie-db-0.23.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate trie-db 0.23.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate trie-db 0.23.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trie-db 0.23.0
[INFO] finished tweaking crates.io crate trie-db 0.23.0
[INFO] tweaked toml for crates.io crate trie-db 0.23.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5dfa4eb0a2c3d2970d969be466b5ed8097a49b4617ebfbf3ddba77eafcf6160
[INFO] running `Command { std: "docker" "start" "-a" "e5dfa4eb0a2c3d2970d969be466b5ed8097a49b4617ebfbf3ddba77eafcf6160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5dfa4eb0a2c3d2970d969be466b5ed8097a49b4617ebfbf3ddba77eafcf6160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5dfa4eb0a2c3d2970d969be466b5ed8097a49b4617ebfbf3ddba77eafcf6160", kill_on_drop: false }`
[INFO] [stdout] e5dfa4eb0a2c3d2970d969be466b5ed8097a49b4617ebfbf3ddba77eafcf6160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6cde82d79f84d3220e5cad2151454898807db03bcabb42ea5fa0785172efe13
[INFO] running `Command { std: "docker" "start" "-a" "a6cde82d79f84d3220e5cad2151454898807db03bcabb42ea5fa0785172efe13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling trie-db v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/lib.rs:280:2
[INFO] [stdout]     |
[INFO] [stdout] 280 |     layout: L,
[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 3.20s
[INFO] running `Command { std: "docker" "inspect" "a6cde82d79f84d3220e5cad2151454898807db03bcabb42ea5fa0785172efe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cde82d79f84d3220e5cad2151454898807db03bcabb42ea5fa0785172efe13", kill_on_drop: false }`
[INFO] [stdout] a6cde82d79f84d3220e5cad2151454898807db03bcabb42ea5fa0785172efe13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442e7192b734b530f4fa8fa0309589a63fc7865a859f2366f16aeb74c74ff1a1
[INFO] running `Command { std: "docker" "start" "-a" "442e7192b734b530f4fa8fa0309589a63fc7865a859f2366f16aeb74c74ff1a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-db v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/lib.rs:280:2
[INFO] [stdout]     |
[INFO] [stdout] 280 |     layout: L,
[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] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/lib.rs:280:2
[INFO] [stdout]     |
[INFO] [stdout] 280 |     layout: L,
[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 18.32s
[INFO] running `Command { std: "docker" "inspect" "442e7192b734b530f4fa8fa0309589a63fc7865a859f2366f16aeb74c74ff1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442e7192b734b530f4fa8fa0309589a63fc7865a859f2366f16aeb74c74ff1a1", kill_on_drop: false }`
[INFO] [stdout] 442e7192b734b530f4fa8fa0309589a63fc7865a859f2366f16aeb74c74ff1a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b73f5ab6d50c1e4067f09d98443adc52fc7c11ea5571890f8c4dba2673b3a916
[INFO] running `Command { std: "docker" "start" "-a" "b73f5ab6d50c1e4067f09d98443adc52fc7c11ea5571890f8c4dba2673b3a916", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `layout`
[INFO] [stderr]    --> src/lib.rs:280:2
[INFO] [stderr]     |
[INFO] [stderr] 280 |     layout: L,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trie-db` (lib) generated 1 warning
[INFO] [stderr] warning: `trie-db` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trie_db-3a019f30c669c825)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test nibble::leftnibbleslice::tests::test_at ... ok
[INFO] [stdout] test nibble::leftnibbleslice::tests::test_cmp ... ok
[INFO] [stdout] test nibble::leftnibbleslice::tests::test_contains ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::basics ... ok
[INFO] [stdout] test nibble::leftnibbleslice::tests::test_starts_with ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::iterator ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::compare ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::from_encoded_pre ... ok
[INFO] [stdout] test nibble::leftnibbleslice::tests::test_len ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::encoded_pre ... ok
[INFO] [stdout] test nibble::nibblevec::tests::append_partial ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::range_iter ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::mid ... ok
[INFO] [stdout] test nibble::nibbleslice::tests::shared ... ok
[INFO] [stdout] test nibble::nibblevec::tests::push_pop ... ok
[INFO] [stdout] test triedbmut::tests::combine_test ... ok
[INFO] [stdout] test nibble::nibblevec::tests::drop_lasts_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trie-db
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/triedb.rs - triedb::TrieDB (line 38) ... ignored
[INFO] [stdout] test src/triedbmut.rs - triedbmut::TrieDBMut (line 514) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b73f5ab6d50c1e4067f09d98443adc52fc7c11ea5571890f8c4dba2673b3a916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73f5ab6d50c1e4067f09d98443adc52fc7c11ea5571890f8c4dba2673b3a916", kill_on_drop: false }`
[INFO] [stdout] b73f5ab6d50c1e4067f09d98443adc52fc7c11ea5571890f8c4dba2673b3a916