[INFO] fetching crate prefix-tree 0.5.0...
[INFO] testing prefix-tree-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate prefix-tree 0.5.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate prefix-tree 0.5.0 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 crates.io crate prefix-tree 0.5.0
[INFO] finished tweaking crates.io crate prefix-tree 0.5.0
[INFO] tweaked toml for crates.io crate prefix-tree 0.5.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] f238c0af86a1f205235e34d1b330a4863276608f92cc896d179c060d7394c37f
[INFO] running `Command { std: "docker" "start" "-a" "f238c0af86a1f205235e34d1b330a4863276608f92cc896d179c060d7394c37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f238c0af86a1f205235e34d1b330a4863276608f92cc896d179c060d7394c37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f238c0af86a1f205235e34d1b330a4863276608f92cc896d179c060d7394c37f", kill_on_drop: false }`
[INFO] [stdout] f238c0af86a1f205235e34d1b330a4863276608f92cc896d179c060d7394c37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e9c099f8560818d60778f9f9ff282b20d59bd148b07fd24e74e03d37a7a742b6
[INFO] running `Command { std: "docker" "start" "-a" "e9c099f8560818d60778f9f9ff282b20d59bd148b07fd24e74e03d37a7a742b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix-tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e9c099f8560818d60778f9f9ff282b20d59bd148b07fd24e74e03d37a7a742b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c099f8560818d60778f9f9ff282b20d59bd148b07fd24e74e03d37a7a742b6", kill_on_drop: false }`
[INFO] [stdout] e9c099f8560818d60778f9f9ff282b20d59bd148b07fd24e74e03d37a7a742b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ee7e2274df12b1ff4f0a5c136349fd05a3c82b87291367a54a92132cc0c14f76
[INFO] running `Command { std: "docker" "start" "-a" "ee7e2274df12b1ff4f0a5c136349fd05a3c82b87291367a54a92132cc0c14f76", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix-tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ee7e2274df12b1ff4f0a5c136349fd05a3c82b87291367a54a92132cc0c14f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7e2274df12b1ff4f0a5c136349fd05a3c82b87291367a54a92132cc0c14f76", kill_on_drop: false }`
[INFO] [stdout] ee7e2274df12b1ff4f0a5c136349fd05a3c82b87291367a54a92132cc0c14f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 1b5492bed3fff3186ca1563d5b26065ed2708a5c7cf6219899cab34717dd6f80
[INFO] running `Command { std: "docker" "start" "-a" "1b5492bed3fff3186ca1563d5b26065ed2708a5c7cf6219899cab34717dd6f80", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prefix_tree-b6508baa5d735f0f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tree::tests::test_common_prefix ... ok
[INFO] [stdout] test tree::tests::test_find_mut ... ok
[INFO] [stdout] test tree::tests::test_find ... ok
[INFO] [stdout] test tree::tests::test_remove ... ok
[INFO] [stdout] test tree::tests::test_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix-tree
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::new (line 18) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::new (line 16) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::len (line 121) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::get (line 69) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::len (line 170) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::clear (line 53) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::remove (line 86) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::contains (line 47) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::contains_key (line 34) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::is_empty (line 105) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::is_empty (line 154) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::insert (line 109) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::get_mut (line 88) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::remove (line 135) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::iter (line 186) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::clear (line 31) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::insert (line 66) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::values (line 230) ... ok
[INFO] [stdout] test src/set.rs - set::PrefixSet<T>::iter (line 137) ... ok
[INFO] [stdout] test src/map.rs - map::PrefixMap<K,V>::keys (line 213) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b5492bed3fff3186ca1563d5b26065ed2708a5c7cf6219899cab34717dd6f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5492bed3fff3186ca1563d5b26065ed2708a5c7cf6219899cab34717dd6f80", kill_on_drop: false }`
[INFO] [stdout] 1b5492bed3fff3186ca1563d5b26065ed2708a5c7cf6219899cab34717dd6f80