[INFO] fetching crate trie-root 0.16.0...
[INFO] testing trie-root-0.16.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate trie-root 0.16.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate trie-root 0.16.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35edc3b0d9f6167f6e39db7afda4ed47e4aa190b7eb9f94488dafe4fd7597934
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35edc3b0d9f6167f6e39db7afda4ed47e4aa190b7eb9f94488dafe4fd7597934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35edc3b0d9f6167f6e39db7afda4ed47e4aa190b7eb9f94488dafe4fd7597934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35edc3b0d9f6167f6e39db7afda4ed47e4aa190b7eb9f94488dafe4fd7597934", kill_on_drop: false }`
[INFO] [stdout] 35edc3b0d9f6167f6e39db7afda4ed47e4aa190b7eb9f94488dafe4fd7597934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0aa6bccfa9bfb329c3babfeface97893e998b911bb3e7c0b8df76f8910a52d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0aa6bccfa9bfb329c3babfeface97893e998b911bb3e7c0b8df76f8910a52d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-root v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f0aa6bccfa9bfb329c3babfeface97893e998b911bb3e7c0b8df76f8910a52d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0aa6bccfa9bfb329c3babfeface97893e998b911bb3e7c0b8df76f8910a52d5", kill_on_drop: false }`
[INFO] [stdout] f0aa6bccfa9bfb329c3babfeface97893e998b911bb3e7c0b8df76f8910a52d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b187058b3d0fa8b1b142bbc9528f95f2e1f6a66f264aac8e6ddaae82f44e1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10b187058b3d0fa8b1b142bbc9528f95f2e1f6a66f264aac8e6ddaae82f44e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling keccak-hasher v0.15.3
[INFO] [stderr]    Compiling trie-standardmap v0.15.2
[INFO] [stderr]    Compiling trie-root v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "10b187058b3d0fa8b1b142bbc9528f95f2e1f6a66f264aac8e6ddaae82f44e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b187058b3d0fa8b1b142bbc9528f95f2e1f6a66f264aac8e6ddaae82f44e1f", kill_on_drop: false }`
[INFO] [stdout] 10b187058b3d0fa8b1b142bbc9528f95f2e1f6a66f264aac8e6ddaae82f44e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a22b29dc9ac3cc0389aa9ef64c9696c0d1aad35f2c04452b45f12c86df55426
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a22b29dc9ac3cc0389aa9ef64c9696c0d1aad35f2c04452b45f12c86df55426", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trie_root-d09cf7d1115ebf71
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests trie-root
[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 - sec_trie_root (line 213) ... FAILED
[INFO] [stdout] test src/lib.rs - trie_root (line 81) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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 crate 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 - 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 crate 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 `Command { std: "docker" "inspect" "2a22b29dc9ac3cc0389aa9ef64c9696c0d1aad35f2c04452b45f12c86df55426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a22b29dc9ac3cc0389aa9ef64c9696c0d1aad35f2c04452b45f12c86df55426", kill_on_drop: false }`
[INFO] [stdout] 2a22b29dc9ac3cc0389aa9ef64c9696c0d1aad35f2c04452b45f12c86df55426