[INFO] fetching crate prefixtree 0.1.3...
[INFO] testing prefixtree-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate prefixtree 0.1.3 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate prefixtree 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefixtree 0.1.3
[INFO] finished tweaking crates.io crate prefixtree 0.1.3
[INFO] tweaked toml for crates.io crate prefixtree 0.1.3 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b8b870c155e9a3b44ed87c92042d80f463e74e4756c82b5636638f66a9c0587
[INFO] running `Command { std: "docker" "start" "-a" "5b8b870c155e9a3b44ed87c92042d80f463e74e4756c82b5636638f66a9c0587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8b870c155e9a3b44ed87c92042d80f463e74e4756c82b5636638f66a9c0587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8b870c155e9a3b44ed87c92042d80f463e74e4756c82b5636638f66a9c0587", kill_on_drop: false }`
[INFO] [stdout] 5b8b870c155e9a3b44ed87c92042d80f463e74e4756c82b5636638f66a9c0587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e71e384a1f669fb93d031b659efc60a1e18d4492f70fb446225cedc6cd23535
[INFO] running `Command { std: "docker" "start" "-a" "4e71e384a1f669fb93d031b659efc60a1e18d4492f70fb446225cedc6cd23535", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefixtree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "4e71e384a1f669fb93d031b659efc60a1e18d4492f70fb446225cedc6cd23535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e71e384a1f669fb93d031b659efc60a1e18d4492f70fb446225cedc6cd23535", kill_on_drop: false }`
[INFO] [stdout] 4e71e384a1f669fb93d031b659efc60a1e18d4492f70fb446225cedc6cd23535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e71dcf69f69e14e5410c285d24420fbbdd63d2d79e8880a8d4acf52f01a65ce
[INFO] running `Command { std: "docker" "start" "-a" "2e71dcf69f69e14e5410c285d24420fbbdd63d2d79e8880a8d4acf52f01a65ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixtree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "2e71dcf69f69e14e5410c285d24420fbbdd63d2d79e8880a8d4acf52f01a65ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e71dcf69f69e14e5410c285d24420fbbdd63d2d79e8880a8d4acf52f01a65ce", kill_on_drop: false }`
[INFO] [stdout] 2e71dcf69f69e14e5410c285d24420fbbdd63d2d79e8880a8d4acf52f01a65ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c498efa2848a7480fde3da5a74e4bf050867cb71c9b6138b4c0ee60c0d26e1a3
[INFO] running `Command { std: "docker" "start" "-a" "c498efa2848a7480fde3da5a74e4bf050867cb71c9b6138b4c0ee60c0d26e1a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prefixtree-2dd296ef1a27a239)
[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] [stderr]      Running tests/seek.rs (/opt/rustwide/target/debug/deps/seek-b6815a9e2880fdbb)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::one_char_test ... ok
[INFO] [stdout] test tests::one_word_test ... ok
[INFO] [stdout] test tests::three_word_test ... ok
[INFO] [stdout] test tests::two_word_test ... ok
[INFO] [stdout] test tests::vec_of_str_vec_test ... ok
[INFO] [stdout] test tests::vec_of_vec_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefixtree
[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" "c498efa2848a7480fde3da5a74e4bf050867cb71c9b6138b4c0ee60c0d26e1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c498efa2848a7480fde3da5a74e4bf050867cb71c9b6138b4c0ee60c0d26e1a3", kill_on_drop: false }`
[INFO] [stdout] c498efa2848a7480fde3da5a74e4bf050867cb71c9b6138b4c0ee60c0d26e1a3