[INFO] fetching crate dltree 0.1.5...
[INFO] testing dltree-0.1.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate dltree 0.1.5 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate dltree 0.1.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dltree 0.1.5
[INFO] finished tweaking crates.io crate dltree 0.1.5
[INFO] tweaked toml for crates.io crate dltree 0.1.5 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d48beb805162920cf582fddeaf0b98933ca96706773bf61af898d49e1ad44c4
[INFO] running `Command { std: "docker" "start" "-a" "0d48beb805162920cf582fddeaf0b98933ca96706773bf61af898d49e1ad44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d48beb805162920cf582fddeaf0b98933ca96706773bf61af898d49e1ad44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d48beb805162920cf582fddeaf0b98933ca96706773bf61af898d49e1ad44c4", kill_on_drop: false }`
[INFO] [stdout] 0d48beb805162920cf582fddeaf0b98933ca96706773bf61af898d49e1ad44c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47021dfab65cdf6b2be192777280c4144c07560e4b4e64ff7c2b77f1d5901774
[INFO] running `Command { std: "docker" "start" "-a" "47021dfab65cdf6b2be192777280c4144c07560e4b4e64ff7c2b77f1d5901774", kill_on_drop: false }`
[INFO] [stderr]    Compiling dltree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "47021dfab65cdf6b2be192777280c4144c07560e4b4e64ff7c2b77f1d5901774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47021dfab65cdf6b2be192777280c4144c07560e4b4e64ff7c2b77f1d5901774", kill_on_drop: false }`
[INFO] [stdout] 47021dfab65cdf6b2be192777280c4144c07560e4b4e64ff7c2b77f1d5901774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4030596b60e9a8e2987fc6c84779e7fa278f8369869ad12cfbd5d0bfd5a022
[INFO] running `Command { std: "docker" "start" "-a" "bf4030596b60e9a8e2987fc6c84779e7fa278f8369869ad12cfbd5d0bfd5a022", kill_on_drop: false }`
[INFO] [stderr]    Compiling dltree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "bf4030596b60e9a8e2987fc6c84779e7fa278f8369869ad12cfbd5d0bfd5a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4030596b60e9a8e2987fc6c84779e7fa278f8369869ad12cfbd5d0bfd5a022", kill_on_drop: false }`
[INFO] [stdout] bf4030596b60e9a8e2987fc6c84779e7fa278f8369869ad12cfbd5d0bfd5a022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92384a23bec88209bf6cc782574f862417602213808bbd10388c9d256bdb4f6c
[INFO] running `Command { std: "docker" "start" "-a" "92384a23bec88209bf6cc782574f862417602213808bbd10388c9d256bdb4f6c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dltree-37531a5f7f3041c9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tree::tests::insert_test ... ok
[INFO] [stdout] test tree::tests::replace_test ... ok
[INFO] [stdout] test tree::tests::element_rempval_test ... ok
[INFO] [stdout] test tree::tests::tree_building_test ... ok
[INFO] [stdout] test tree::tests::tree_element_test ... ok
[INFO] [stdout] test tree::tests::value_set_test ... ok
[INFO] [stdout] test tree_elements::tree_element_type::tests::check_integrity_violation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dltree
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92384a23bec88209bf6cc782574f862417602213808bbd10388c9d256bdb4f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92384a23bec88209bf6cc782574f862417602213808bbd10388c9d256bdb4f6c", kill_on_drop: false }`
[INFO] [stdout] 92384a23bec88209bf6cc782574f862417602213808bbd10388c9d256bdb4f6c