[INFO] fetching crate serde_indextree 0.2.0...
[INFO] testing serde_indextree-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serde_indextree 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_indextree 0.2.0 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 serde_indextree 0.2.0
[INFO] finished tweaking crates.io crate serde_indextree 0.2.0
[INFO] tweaked toml for crates.io crate serde_indextree 0.2.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indextree v4.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] ae271f725310d62485d2d4f082c13fe72addfef600fb95cd493645d239954de4
[INFO] running `Command { std: "docker" "start" "-a" "ae271f725310d62485d2d4f082c13fe72addfef600fb95cd493645d239954de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae271f725310d62485d2d4f082c13fe72addfef600fb95cd493645d239954de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae271f725310d62485d2d4f082c13fe72addfef600fb95cd493645d239954de4", kill_on_drop: false }`
[INFO] [stdout] ae271f725310d62485d2d4f082c13fe72addfef600fb95cd493645d239954de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7b953b1c25cecd7635bad6f2d4aaaf45e57210bad671d540fa4a9f3cee30d73
[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" "b7b953b1c25cecd7635bad6f2d4aaaf45e57210bad671d540fa4a9f3cee30d73", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.4.0
[INFO] [stderr]    Compiling serde_indextree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "b7b953b1c25cecd7635bad6f2d4aaaf45e57210bad671d540fa4a9f3cee30d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b953b1c25cecd7635bad6f2d4aaaf45e57210bad671d540fa4a9f3cee30d73", kill_on_drop: false }`
[INFO] [stdout] b7b953b1c25cecd7635bad6f2d4aaaf45e57210bad671d540fa4a9f3cee30d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f38c8102259d2637a57fc2aa9f2a48097946fb0097981cd79ccd4f0eb524da
[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" "42f38c8102259d2637a57fc2aa9f2a48097946fb0097981cd79ccd4f0eb524da", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_indextree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "42f38c8102259d2637a57fc2aa9f2a48097946fb0097981cd79ccd4f0eb524da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f38c8102259d2637a57fc2aa9f2a48097946fb0097981cd79ccd4f0eb524da", kill_on_drop: false }`
[INFO] [stdout] 42f38c8102259d2637a57fc2aa9f2a48097946fb0097981cd79ccd4f0eb524da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] f21b753f91a6a8b72d59383784b98519952985ddd9ca4ec7191364207bef0261
[INFO] running `Command { std: "docker" "start" "-a" "f21b753f91a6a8b72d59383784b98519952985ddd9ca4ec7191364207bef0261", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_indextree-c22580214241387a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests serde_indextree
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f21b753f91a6a8b72d59383784b98519952985ddd9ca4ec7191364207bef0261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21b753f91a6a8b72d59383784b98519952985ddd9ca4ec7191364207bef0261", kill_on_drop: false }`
[INFO] [stdout] f21b753f91a6a8b72d59383784b98519952985ddd9ca4ec7191364207bef0261