[INFO] fetching crate text_tree_elements 0.1.0...
[INFO] testing text_tree_elements-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate text_tree_elements 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate text_tree_elements 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text_tree_elements 0.1.0
[INFO] finished tweaking crates.io crate text_tree_elements 0.1.0
[INFO] tweaked toml for crates.io crate text_tree_elements 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate text_tree_elements 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "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] b53ce2dbd23cb20c010040c4a483caf416b1a841a88cdfd1c6058b9e8c2c83a8
[INFO] running `Command { std: "docker" "start" "-a" "b53ce2dbd23cb20c010040c4a483caf416b1a841a88cdfd1c6058b9e8c2c83a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53ce2dbd23cb20c010040c4a483caf416b1a841a88cdfd1c6058b9e8c2c83a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53ce2dbd23cb20c010040c4a483caf416b1a841a88cdfd1c6058b9e8c2c83a8", kill_on_drop: false }`
[INFO] [stdout] b53ce2dbd23cb20c010040c4a483caf416b1a841a88cdfd1c6058b9e8c2c83a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c70ba774103488ec9a37021e3ae18c2f192a68b6b7e98f56b8c1e946d202ff
[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" "36c70ba774103488ec9a37021e3ae18c2f192a68b6b7e98f56b8c1e946d202ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_tree_elements v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "36c70ba774103488ec9a37021e3ae18c2f192a68b6b7e98f56b8c1e946d202ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c70ba774103488ec9a37021e3ae18c2f192a68b6b7e98f56b8c1e946d202ff", kill_on_drop: false }`
[INFO] [stdout] 36c70ba774103488ec9a37021e3ae18c2f192a68b6b7e98f56b8c1e946d202ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c5e060570b2f9a62c5f7c045791ab769c3d069cbcb5189a5681c37b614dbf37
[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" "9c5e060570b2f9a62c5f7c045791ab769c3d069cbcb5189a5681c37b614dbf37", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_tree_elements v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "9c5e060570b2f9a62c5f7c045791ab769c3d069cbcb5189a5681c37b614dbf37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5e060570b2f9a62c5f7c045791ab769c3d069cbcb5189a5681c37b614dbf37", kill_on_drop: false }`
[INFO] [stdout] 9c5e060570b2f9a62c5f7c045791ab769c3d069cbcb5189a5681c37b614dbf37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68b2bd7faaae9440d6c1a5192bed273cde9358ad38e7e266b2f7b099c9afe987
[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" "68b2bd7faaae9440d6c1a5192bed273cde9358ad38e7e266b2f7b099c9afe987", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/text_tree_elements-b2d985d35dffebfe)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test text_tree_elements_tests::tests::get_prefix ... ok
[INFO] [stdout] test text_tree_elements_tests::tests::get_link ... ok
[INFO] [stdout] test text_tree_elements_tests::tests::get_prefix_branch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests text_tree_elements
[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" "68b2bd7faaae9440d6c1a5192bed273cde9358ad38e7e266b2f7b099c9afe987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b2bd7faaae9440d6c1a5192bed273cde9358ad38e7e266b2f7b099c9afe987", kill_on_drop: false }`
[INFO] [stdout] 68b2bd7faaae9440d6c1a5192bed273cde9358ad38e7e266b2f7b099c9afe987