[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 master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/prefix_tree on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing JosephTLyons/prefix_tree against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fprefix_tree" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/prefix_tree on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f8276d1af10a704b95f8b441ae9cdbf9ed5a500bd928ee20dde65aa7649044
[INFO] running `Command { std: "docker" "start" "-a" "42f8276d1af10a704b95f8b441ae9cdbf9ed5a500bd928ee20dde65aa7649044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f8276d1af10a704b95f8b441ae9cdbf9ed5a500bd928ee20dde65aa7649044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f8276d1af10a704b95f8b441ae9cdbf9ed5a500bd928ee20dde65aa7649044", kill_on_drop: false }`
[INFO] [stdout] 42f8276d1af10a704b95f8b441ae9cdbf9ed5a500bd928ee20dde65aa7649044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34574e747ee1a04ae3a29b0476463c1c3b0a7ac124a9ed1b4fdf261f05745519
[INFO] running `Command { std: "docker" "start" "-a" "34574e747ee1a04ae3a29b0476463c1c3b0a7ac124a9ed1b4fdf261f05745519", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "34574e747ee1a04ae3a29b0476463c1c3b0a7ac124a9ed1b4fdf261f05745519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34574e747ee1a04ae3a29b0476463c1c3b0a7ac124a9ed1b4fdf261f05745519", kill_on_drop: false }`
[INFO] [stdout] 34574e747ee1a04ae3a29b0476463c1c3b0a7ac124a9ed1b4fdf261f05745519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3282e88ba60436552e5f82ca2216fcde3448efc2d827d387be79baac32c173b6
[INFO] running `Command { std: "docker" "start" "-a" "3282e88ba60436552e5f82ca2216fcde3448efc2d827d387be79baac32c173b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "3282e88ba60436552e5f82ca2216fcde3448efc2d827d387be79baac32c173b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3282e88ba60436552e5f82ca2216fcde3448efc2d827d387be79baac32c173b6", kill_on_drop: false }`
[INFO] [stdout] 3282e88ba60436552e5f82ca2216fcde3448efc2d827d387be79baac32c173b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4314c458ab84a7e6b44e5c9564cbd4233af6daa759dea8ffe183622a5b9ea57
[INFO] running `Command { std: "docker" "start" "-a" "d4314c458ab84a7e6b44e5c9564cbd4233af6daa759dea8ffe183622a5b9ea57", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_tree-fec1a17a804edd5a)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::contains_word_test_3 ... ok
[INFO] [stdout] test prefix_tree::tests::get_letter_count_test_2 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_1 ... ok
[INFO] [stdout] test prefix_tree::tests::get_word_count_test_2 ... 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::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] 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 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4314c458ab84a7e6b44e5c9564cbd4233af6daa759dea8ffe183622a5b9ea57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4314c458ab84a7e6b44e5c9564cbd4233af6daa759dea8ffe183622a5b9ea57", kill_on_drop: false }`
[INFO] [stdout] d4314c458ab84a7e6b44e5c9564cbd4233af6daa759dea8ffe183622a5b9ea57