[INFO] fetching crate flattree 2.0.0...
[INFO] testing flattree-2.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate flattree 2.0.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate flattree 2.0.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flattree 2.0.0
[INFO] finished tweaking crates.io crate flattree 2.0.0
[INFO] tweaked toml for crates.io crate flattree 2.0.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c5f603aff182a56c1ee297c5c6c8ac632c1aaa8bc29c21094fbe5725089148
[INFO] running `Command { std: "docker" "start" "-a" "39c5f603aff182a56c1ee297c5c6c8ac632c1aaa8bc29c21094fbe5725089148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c5f603aff182a56c1ee297c5c6c8ac632c1aaa8bc29c21094fbe5725089148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c5f603aff182a56c1ee297c5c6c8ac632c1aaa8bc29c21094fbe5725089148", kill_on_drop: false }`
[INFO] [stdout] 39c5f603aff182a56c1ee297c5c6c8ac632c1aaa8bc29c21094fbe5725089148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb8bc8dea7b5be648e66401735a3178ebc7a39c0f73eee89b3ff311fc54e912
[INFO] running `Command { std: "docker" "start" "-a" "acb8bc8dea7b5be648e66401735a3178ebc7a39c0f73eee89b3ff311fc54e912", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "acb8bc8dea7b5be648e66401735a3178ebc7a39c0f73eee89b3ff311fc54e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb8bc8dea7b5be648e66401735a3178ebc7a39c0f73eee89b3ff311fc54e912", kill_on_drop: false }`
[INFO] [stdout] acb8bc8dea7b5be648e66401735a3178ebc7a39c0f73eee89b3ff311fc54e912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cce77e84573d1a2c22dc7a6ad41256f616c2cea77f1d432e1656ba6e4f63c41
[INFO] running `Command { std: "docker" "start" "-a" "9cce77e84573d1a2c22dc7a6ad41256f616c2cea77f1d432e1656ba6e4f63c41", kill_on_drop: false }`
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "9cce77e84573d1a2c22dc7a6ad41256f616c2cea77f1d432e1656ba6e4f63c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cce77e84573d1a2c22dc7a6ad41256f616c2cea77f1d432e1656ba6e4f63c41", kill_on_drop: false }`
[INFO] [stdout] 9cce77e84573d1a2c22dc7a6ad41256f616c2cea77f1d432e1656ba6e4f63c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c0004266449439bd792962e11277c86040c861535481ec8984aaf664e1320fb
[INFO] running `Command { std: "docker" "start" "-a" "4c0004266449439bd792962e11277c86040c861535481ec8984aaf664e1320fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flattree-5916bafe1e1254ec)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_count ... ok
[INFO] [stdout] test test_children ... ok
[INFO] [stdout] test test_base_blocks ... ok
[INFO] [stdout] test test_child_to_parent_to_child ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_iterator_non_leaf_start ... ok
[INFO] [stdout] test test_left_child ... ok
[INFO] [stdout] test test_depths ... ok
[INFO] [stdout] test test_full_roots ... ok
[INFO] [stdout] test test_left_span ... ok
[INFO] [stdout] test test_offsets ... ok
[INFO] [stdout] test test_parents ... ok
[INFO] [stdout] test test_right_child ... ok
[INFO] [stdout] test test_right_span ... ok
[INFO] [stdout] test test_spans ... ok
[INFO] [stdout] test test_parent_gt_int32 ... ok
[INFO] [stdout] test test_siblings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flattree
[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" "4c0004266449439bd792962e11277c86040c861535481ec8984aaf664e1320fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0004266449439bd792962e11277c86040c861535481ec8984aaf664e1320fb", kill_on_drop: false }`
[INFO] [stdout] 4c0004266449439bd792962e11277c86040c861535481ec8984aaf664e1320fb