[INFO] crate trie-root 0.16.0 is already in cache
[INFO] testing trie-root-0.16.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate trie-root 0.16.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trie-root 0.16.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trie-root 0.16.0
[INFO] finished tweaking crates.io crate trie-root 0.16.0
[INFO] tweaked toml for crates.io crate trie-root 0.16.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd16e04d4ac2b15093d382e942c98bba7e66344808e42ee689ee222e0794bd21
[INFO] running `"docker" "start" "-a" "cd16e04d4ac2b15093d382e942c98bba7e66344808e42ee689ee222e0794bd21"`
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling trie-root v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "cd16e04d4ac2b15093d382e942c98bba7e66344808e42ee689ee222e0794bd21"`
[INFO] running `"docker" "rm" "-f" "cd16e04d4ac2b15093d382e942c98bba7e66344808e42ee689ee222e0794bd21"`
[INFO] [stdout] cd16e04d4ac2b15093d382e942c98bba7e66344808e42ee689ee222e0794bd21
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1869b7aaf244a6e46c3131b75f69bc8c648d1261bc5bc5c101519b74fddd7732
[INFO] running `"docker" "start" "-a" "1869b7aaf244a6e46c3131b75f69bc8c648d1261bc5bc5c101519b74fddd7732"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling keccak-hasher v0.15.2
[INFO] [stderr]    Compiling trie-standardmap v0.15.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling trie-root v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "1869b7aaf244a6e46c3131b75f69bc8c648d1261bc5bc5c101519b74fddd7732"`
[INFO] running `"docker" "rm" "-f" "1869b7aaf244a6e46c3131b75f69bc8c648d1261bc5bc5c101519b74fddd7732"`
[INFO] [stdout] 1869b7aaf244a6e46c3131b75f69bc8c648d1261bc5bc5c101519b74fddd7732
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 91b4c872c3362e52a7c22e7c9e808699df494a40172805943788f3b5aed621d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "91b4c872c3362e52a7c22e7c9e808699df494a40172805943788f3b5aed621d2"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trie_root-635eb971b838391f
[INFO] [stderr]    Doc-tests trie-root
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - trie_root (line 81) ... FAILED
[INFO] [stdout] test src/lib.rs - sec_trie_root (line 213) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - trie_root (line 81) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `reference_trie`
[INFO] [stdout]  --> src/lib.rs:84:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use reference_trie::ReferenceTrieStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `reference_trie`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - sec_trie_root (line 213) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `reference_trie`
[INFO] [stdout]  --> src/lib.rs:217:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use reference_trie::ReferenceTrieStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `reference_trie`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - sec_trie_root (line 213)
[INFO] [stdout]     src/lib.rs - trie_root (line 81)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "91b4c872c3362e52a7c22e7c9e808699df494a40172805943788f3b5aed621d2"`
[INFO] running `"docker" "rm" "-f" "91b4c872c3362e52a7c22e7c9e808699df494a40172805943788f3b5aed621d2"`
[INFO] [stdout] 91b4c872c3362e52a7c22e7c9e808699df494a40172805943788f3b5aed621d2