[INFO] fetching crate trie-me 0.0.0...
[INFO] testing trie-me-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate trie-me 0.0.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate trie-me 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trie-me 0.0.0
[INFO] finished tweaking crates.io crate trie-me 0.0.0
[INFO] tweaked toml for crates.io crate trie-me 0.0.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b287f36291a8b782b10f7a6d43f91a5b11ebad53d358a6d8c2c2763d5e77e5
[INFO] running `Command { std: "docker" "start" "-a" "d9b287f36291a8b782b10f7a6d43f91a5b11ebad53d358a6d8c2c2763d5e77e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b287f36291a8b782b10f7a6d43f91a5b11ebad53d358a6d8c2c2763d5e77e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b287f36291a8b782b10f7a6d43f91a5b11ebad53d358a6d8c2c2763d5e77e5", kill_on_drop: false }`
[INFO] [stdout] d9b287f36291a8b782b10f7a6d43f91a5b11ebad53d358a6d8c2c2763d5e77e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88394042ab3d17d9a113ef4752fb0e1738a4df0366e68adf13e1517c23ace304
[INFO] running `Command { std: "docker" "start" "-a" "88394042ab3d17d9a113ef4752fb0e1738a4df0366e68adf13e1517c23ace304", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-me v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "88394042ab3d17d9a113ef4752fb0e1738a4df0366e68adf13e1517c23ace304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88394042ab3d17d9a113ef4752fb0e1738a4df0366e68adf13e1517c23ace304", kill_on_drop: false }`
[INFO] [stdout] 88394042ab3d17d9a113ef4752fb0e1738a4df0366e68adf13e1517c23ace304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 115a5d36baaf9db1eb02b22d84b64952bca74b1c11e1eec126ca5cc1e3f932ff
[INFO] running `Command { std: "docker" "start" "-a" "115a5d36baaf9db1eb02b22d84b64952bca74b1c11e1eec126ca5cc1e3f932ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie-me v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "115a5d36baaf9db1eb02b22d84b64952bca74b1c11e1eec126ca5cc1e3f932ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115a5d36baaf9db1eb02b22d84b64952bca74b1c11e1eec126ca5cc1e3f932ff", kill_on_drop: false }`
[INFO] [stdout] 115a5d36baaf9db1eb02b22d84b64952bca74b1c11e1eec126ca5cc1e3f932ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a972908dff1e0e3def0cddd18f1a5f6421876c6bfbaaa8fe624ac82f5165c491
[INFO] running `Command { std: "docker" "start" "-a" "a972908dff1e0e3def0cddd18f1a5f6421876c6bfbaaa8fe624ac82f5165c491", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trie_me-22127870c2114794)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-441ddffbb21f973b)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests trie-me
[INFO] [stdout] test set_insert_contains ... ok
[INFO] [stdout] test set_clear ... ok
[INFO] [stdout] test set_iter ... ok
[INFO] [stdout] test set_iter_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "a972908dff1e0e3def0cddd18f1a5f6421876c6bfbaaa8fe624ac82f5165c491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a972908dff1e0e3def0cddd18f1a5f6421876c6bfbaaa8fe624ac82f5165c491", kill_on_drop: false }`
[INFO] [stdout] a972908dff1e0e3def0cddd18f1a5f6421876c6bfbaaa8fe624ac82f5165c491