[INFO] fetching crate prefixtree 0.1.3...
[INFO] testing prefixtree-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate prefixtree 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate prefixtree 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefixtree 0.1.3
[INFO] finished tweaking crates.io crate prefixtree 0.1.3
[INFO] tweaked toml for crates.io crate prefixtree 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fec15c3497e3f8e3c5a74b38b9af4b7e07d65c4aa34ee99e2bc89d5bc0e53f2
[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" "6fec15c3497e3f8e3c5a74b38b9af4b7e07d65c4aa34ee99e2bc89d5bc0e53f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fec15c3497e3f8e3c5a74b38b9af4b7e07d65c4aa34ee99e2bc89d5bc0e53f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fec15c3497e3f8e3c5a74b38b9af4b7e07d65c4aa34ee99e2bc89d5bc0e53f2", kill_on_drop: false }`
[INFO] [stdout] 6fec15c3497e3f8e3c5a74b38b9af4b7e07d65c4aa34ee99e2bc89d5bc0e53f2
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 17777f6bdf7635901ab44d6f9ad102ecf18bfb2b1d3f68a3fd81f1c93b745b1b
[INFO] running `Command { std: "docker" "start" "-a" "17777f6bdf7635901ab44d6f9ad102ecf18bfb2b1d3f68a3fd81f1c93b745b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixtree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "17777f6bdf7635901ab44d6f9ad102ecf18bfb2b1d3f68a3fd81f1c93b745b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17777f6bdf7635901ab44d6f9ad102ecf18bfb2b1d3f68a3fd81f1c93b745b1b", kill_on_drop: false }`
[INFO] [stdout] 17777f6bdf7635901ab44d6f9ad102ecf18bfb2b1d3f68a3fd81f1c93b745b1b
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92a1bcad2fdbe53c19edefae62edf87d0614a05b9e120f9c5bc527af4e70c69
[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" "f92a1bcad2fdbe53c19edefae62edf87d0614a05b9e120f9c5bc527af4e70c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixtree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "f92a1bcad2fdbe53c19edefae62edf87d0614a05b9e120f9c5bc527af4e70c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92a1bcad2fdbe53c19edefae62edf87d0614a05b9e120f9c5bc527af4e70c69", kill_on_drop: false }`
[INFO] [stdout] f92a1bcad2fdbe53c19edefae62edf87d0614a05b9e120f9c5bc527af4e70c69
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae12f12ae3a1c663332c4a207f0f41cd96899e73b08350b7736344997d606e8e
[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" "ae12f12ae3a1c663332c4a207f0f41cd96899e73b08350b7736344997d606e8e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prefixtree-ef27a65b8d2efc80
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/seek-50120ac05f175acc
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::two_word_test ... ok
[INFO] [stdout] test tests::one_char_test ... ok
[INFO] [stdout] test tests::one_word_test ... ok
[INFO] [stdout] test tests::vec_of_vec_test ... ok
[INFO] [stdout] test tests::three_word_test ... ok
[INFO] [stdout] test tests::vec_of_str_vec_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefixtree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae12f12ae3a1c663332c4a207f0f41cd96899e73b08350b7736344997d606e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae12f12ae3a1c663332c4a207f0f41cd96899e73b08350b7736344997d606e8e", kill_on_drop: false }`
[INFO] [stdout] ae12f12ae3a1c663332c4a207f0f41cd96899e73b08350b7736344997d606e8e
