[INFO] updating cached repository https://github.com/JosephTLyons/prefix_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a975905b74f81aa2d1a4ef5c6ed2fac380e1743a
[INFO] testing JosephTLyons/prefix_tree against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/prefix_tree on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JosephTLyons/prefix_tree
[INFO] finished tweaking git repo https://github.com/JosephTLyons/prefix_tree
[INFO] tweaked toml for git repo https://github.com/JosephTLyons/prefix_tree written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephTLyons/prefix_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bb3b82b8345db394cd8aca00ec48e7fb3bc161a6c1dedfcd9ebdf72ec70576e
[INFO] running `Command { std: "docker" "start" "-a" "0bb3b82b8345db394cd8aca00ec48e7fb3bc161a6c1dedfcd9ebdf72ec70576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb3b82b8345db394cd8aca00ec48e7fb3bc161a6c1dedfcd9ebdf72ec70576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb3b82b8345db394cd8aca00ec48e7fb3bc161a6c1dedfcd9ebdf72ec70576e", kill_on_drop: false }`
[INFO] [stdout] 0bb3b82b8345db394cd8aca00ec48e7fb3bc161a6c1dedfcd9ebdf72ec70576e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16faf5ed5556ec80e5c1e1d5b1da17b268bd0a809770df14819bc0179c48bac5
[INFO] running `Command { std: "docker" "start" "-a" "16faf5ed5556ec80e5c1e1d5b1da17b268bd0a809770df14819bc0179c48bac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "16faf5ed5556ec80e5c1e1d5b1da17b268bd0a809770df14819bc0179c48bac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16faf5ed5556ec80e5c1e1d5b1da17b268bd0a809770df14819bc0179c48bac5", kill_on_drop: false }`
[INFO] [stdout] 16faf5ed5556ec80e5c1e1d5b1da17b268bd0a809770df14819bc0179c48bac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5afd861d46c97e4b9d12f4c5d406687a4d074b63987ee2e41b9a939c52ce3af0
[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" "5afd861d46c97e4b9d12f4c5d406687a4d074b63987ee2e41b9a939c52ce3af0", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "5afd861d46c97e4b9d12f4c5d406687a4d074b63987ee2e41b9a939c52ce3af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afd861d46c97e4b9d12f4c5d406687a4d074b63987ee2e41b9a939c52ce3af0", kill_on_drop: false }`
[INFO] [stdout] 5afd861d46c97e4b9d12f4c5d406687a4d074b63987ee2e41b9a939c52ce3af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01d98a704aed18d3b87c48ebbd7d59b11cdba33df41baa986219aee08d1a49de
[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" "01d98a704aed18d3b87c48ebbd7d59b11cdba33df41baa986219aee08d1a49de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prefix_tree-b0cd6f9fa6aa665b
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test prefix_tree::tests::case_insensitive_test ... ok
[INFO] [stdout] test prefix_tree::tests::lowercase_test ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::uppercase_test ... ok
[INFO] [stdout] test prefix_tree::tests::test_symbol_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01d98a704aed18d3b87c48ebbd7d59b11cdba33df41baa986219aee08d1a49de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d98a704aed18d3b87c48ebbd7d59b11cdba33df41baa986219aee08d1a49de", kill_on_drop: false }`
[INFO] [stdout] 01d98a704aed18d3b87c48ebbd7d59b11cdba33df41baa986219aee08d1a49de