[INFO] updating cached repository https://github.com/JosephTLyons/prefix_tree
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/JosephTLyons/prefix_tree
[INFO] [stderr]    a681235..a975905  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a975905b74f81aa2d1a4ef5c6ed2fac380e1743a
[INFO] testing JosephTLyons/prefix_tree against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/prefix_tree on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephTLyons/prefix_tree already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8db2a7598ac72935ccb624ecb154a7b41bcf7dff8c19f688bf7f0a59916589ea
[INFO] running `"docker" "start" "-a" "8db2a7598ac72935ccb624ecb154a7b41bcf7dff8c19f688bf7f0a59916589ea"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "8db2a7598ac72935ccb624ecb154a7b41bcf7dff8c19f688bf7f0a59916589ea"`
[INFO] running `"docker" "rm" "-f" "8db2a7598ac72935ccb624ecb154a7b41bcf7dff8c19f688bf7f0a59916589ea"`
[INFO] [stdout] 8db2a7598ac72935ccb624ecb154a7b41bcf7dff8c19f688bf7f0a59916589ea
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58f9b5154f3ca4616afde3bf4247420dd73c29e26c6c2f2e1a25adadbff6e6fe
[INFO] running `"docker" "start" "-a" "58f9b5154f3ca4616afde3bf4247420dd73c29e26c6c2f2e1a25adadbff6e6fe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "58f9b5154f3ca4616afde3bf4247420dd73c29e26c6c2f2e1a25adadbff6e6fe"`
[INFO] running `"docker" "rm" "-f" "58f9b5154f3ca4616afde3bf4247420dd73c29e26c6c2f2e1a25adadbff6e6fe"`
[INFO] [stdout] 58f9b5154f3ca4616afde3bf4247420dd73c29e26c6c2f2e1a25adadbff6e6fe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5163afa1635419bdf9f4fc005b6ce0def52935697f921eac3a53675c24e2f44d
[INFO] running `"docker" "start" "-a" "5163afa1635419bdf9f4fc005b6ce0def52935697f921eac3a53675c24e2f44d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prefix_tree-9ae17d417f8a2cda
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test prefix_tree::tests::case_insensitive_test ... 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::get_word_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::lowercase_test ... 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 `"docker" "inspect" "5163afa1635419bdf9f4fc005b6ce0def52935697f921eac3a53675c24e2f44d"`
[INFO] running `"docker" "rm" "-f" "5163afa1635419bdf9f4fc005b6ce0def52935697f921eac3a53675c24e2f44d"`
[INFO] [stdout] 5163afa1635419bdf9f4fc005b6ce0def52935697f921eac3a53675c24e2f44d