[INFO] fetching crate content-tree 0.1.0...
[INFO] testing content-tree-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate content-tree 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate content-tree 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate content-tree 0.1.0
[INFO] finished tweaking crates.io crate content-tree 0.1.0
[INFO] tweaked toml for crates.io crate content-tree 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate content-tree 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b7a77ff9a9d934f4b788c0122f68e8739c7f74aeb8ddad2a237c5d361dda09d
[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" "0b7a77ff9a9d934f4b788c0122f68e8739c7f74aeb8ddad2a237c5d361dda09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b7a77ff9a9d934f4b788c0122f68e8739c7f74aeb8ddad2a237c5d361dda09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7a77ff9a9d934f4b788c0122f68e8739c7f74aeb8ddad2a237c5d361dda09d", kill_on_drop: false }`
[INFO] [stdout] 0b7a77ff9a9d934f4b788c0122f68e8739c7f74aeb8ddad2a237c5d361dda09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71aa13c242e73b25dd562fefbbf5499d49d2686f754a01e438d1ad10d6712487
[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" "71aa13c242e73b25dd562fefbbf5499d49d2686f754a01e438d1ad10d6712487", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling rle v0.1.0
[INFO] [stderr]    Compiling content-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "71aa13c242e73b25dd562fefbbf5499d49d2686f754a01e438d1ad10d6712487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71aa13c242e73b25dd562fefbbf5499d49d2686f754a01e438d1ad10d6712487", kill_on_drop: false }`
[INFO] [stdout] 71aa13c242e73b25dd562fefbbf5499d49d2686f754a01e438d1ad10d6712487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e08d12a343ac8c43bd5bc2f83cc45b64d41d2f2c70aa343c2e0ea632a90595d
[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" "1e08d12a343ac8c43bd5bc2f83cc45b64d41d2f2c70aa343c2e0ea632a90595d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling content-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "1e08d12a343ac8c43bd5bc2f83cc45b64d41d2f2c70aa343c2e0ea632a90595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e08d12a343ac8c43bd5bc2f83cc45b64d41d2f2c70aa343c2e0ea632a90595d", kill_on_drop: false }`
[INFO] [stdout] 1e08d12a343ac8c43bd5bc2f83cc45b64d41d2f2c70aa343c2e0ea632a90595d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] dff19af7237983a7c97e5b686ea2e849b379bf2155872cab1aeac6d5e1b31c0a
[INFO] running `Command { std: "docker" "start" "-a" "dff19af7237983a7c97e5b686ea2e849b379bf2155872cab1aeac6d5e1b31c0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/content_tree-4e00dfd183d40ed1)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test mutations::tests::backspace_collapses ... ok
[INFO] [stdout] test mutations::tests::delete_all_items ... ok
[INFO] [stdout] test mutations::tests::delete_collapses ... ok
[INFO] [stdout] test mutations::tests::push_into_empty ... ok
[INFO] [stdout] test mutations::tests::splice_insert_test ... ok
[INFO] [stdout] test mutations::tests::delete_past_end ... ok
[INFO] [stdout] test test::option_node_size_is_transparent ... ok
[INFO] [stdout] test mutations::tests::delete_single_item ... ok
[INFO] [stdout] test unsafe_cursor::tests::empty_tree_has_empty_iter ... ok
[INFO] [stdout] test unsafe_cursor::tests::compare_cursors ... ok
[INFO] [stdout] test mutations::tests::mutation_wrappers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzzer.rs (/opt/rustwide/target/debug/deps/fuzzer-e9f24530eda0f174)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test random_edits_forever ... ignored
[INFO] [stdout] test random_edits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests content-tree
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ContentTreeRaw (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dff19af7237983a7c97e5b686ea2e849b379bf2155872cab1aeac6d5e1b31c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff19af7237983a7c97e5b686ea2e849b379bf2155872cab1aeac6d5e1b31c0a", kill_on_drop: false }`
[INFO] [stdout] dff19af7237983a7c97e5b686ea2e849b379bf2155872cab1aeac6d5e1b31c0a