[INFO] cloning 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" "clone" "--bare" "https://github.com/JosephTLyons/prefix_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7667fa9a6444cc59d5f3add333628745cef868f8
[INFO] testing JosephTLyons/prefix_tree against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/prefix_tree on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-38/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdb672147a8ef09b57c01432390486cd854eb10e4e252d0640d682e792f5ca1d
[INFO] running `Command { std: "docker" "start" "-a" "bdb672147a8ef09b57c01432390486cd854eb10e4e252d0640d682e792f5ca1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb672147a8ef09b57c01432390486cd854eb10e4e252d0640d682e792f5ca1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb672147a8ef09b57c01432390486cd854eb10e4e252d0640d682e792f5ca1d", kill_on_drop: false }`
[INFO] [stdout] bdb672147a8ef09b57c01432390486cd854eb10e4e252d0640d682e792f5ca1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2caa20f66d53e2e3f21c3ba9580e42c97a3f0bb32bae3a721b4da2bb94ed4be1
[INFO] running `Command { std: "docker" "start" "-a" "2caa20f66d53e2e3f21c3ba9580e42c97a3f0bb32bae3a721b4da2bb94ed4be1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "2caa20f66d53e2e3f21c3ba9580e42c97a3f0bb32bae3a721b4da2bb94ed4be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caa20f66d53e2e3f21c3ba9580e42c97a3f0bb32bae3a721b4da2bb94ed4be1", kill_on_drop: false }`
[INFO] [stdout] 2caa20f66d53e2e3f21c3ba9580e42c97a3f0bb32bae3a721b4da2bb94ed4be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769352d91fa994ea636e6d956cdf3262fe7d8ca7582d104aff24c5207240d5e2
[INFO] running `Command { std: "docker" "start" "-a" "769352d91fa994ea636e6d956cdf3262fe7d8ca7582d104aff24c5207240d5e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "769352d91fa994ea636e6d956cdf3262fe7d8ca7582d104aff24c5207240d5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769352d91fa994ea636e6d956cdf3262fe7d8ca7582d104aff24c5207240d5e2", kill_on_drop: false }`
[INFO] [stdout] 769352d91fa994ea636e6d956cdf3262fe7d8ca7582d104aff24c5207240d5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 047c347dc47e7a5559509fbab052d1e70fa035fb2ed52335506819f35b90eaeb
[INFO] running `Command { std: "docker" "start" "-a" "047c347dc47e7a5559509fbab052d1e70fa035fb2ed52335506819f35b90eaeb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prefix_tree-2519f3c49f510a66)
[INFO] [stdout] test prefix_tree::tests::contains_word_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::case_insensitive_test ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::uppercase_test ... ok
[INFO] [stdout] test prefix_tree::tests::test_symbol_insert ... ok
[INFO] [stdout] test prefix_tree::tests::lowercase_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "047c347dc47e7a5559509fbab052d1e70fa035fb2ed52335506819f35b90eaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047c347dc47e7a5559509fbab052d1e70fa035fb2ed52335506819f35b90eaeb", kill_on_drop: false }`
[INFO] [stdout] 047c347dc47e7a5559509fbab052d1e70fa035fb2ed52335506819f35b90eaeb