[INFO] fetching crate tree_arena 0.2.0...
[INFO] testing tree_arena-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tree_arena 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tree_arena 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tree_arena 0.2.0
[INFO] tweaked toml for crates.io crate tree_arena 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_arena 0.2.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree_arena 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92512bdfbd0cf915ac7795cc21c1ec4a0306b4e069ad829cac3b07ccf8493091
[INFO] running `Command { std: "docker" "start" "-a" "92512bdfbd0cf915ac7795cc21c1ec4a0306b4e069ad829cac3b07ccf8493091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92512bdfbd0cf915ac7795cc21c1ec4a0306b4e069ad829cac3b07ccf8493091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92512bdfbd0cf915ac7795cc21c1ec4a0306b4e069ad829cac3b07ccf8493091", kill_on_drop: false }`
[INFO] [stdout] 92512bdfbd0cf915ac7795cc21c1ec4a0306b4e069ad829cac3b07ccf8493091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fa28833bfc03f91af826e3366b30b30957ec3c733bae4c5f1a88f4122ec41e
[INFO] running `Command { std: "docker" "start" "-a" "c6fa28833bfc03f91af826e3366b30b30957ec3c733bae4c5f1a88f4122ec41e", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling tree_arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c6fa28833bfc03f91af826e3366b30b30957ec3c733bae4c5f1a88f4122ec41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fa28833bfc03f91af826e3366b30b30957ec3c733bae4c5f1a88f4122ec41e", kill_on_drop: false }`
[INFO] [stdout] c6fa28833bfc03f91af826e3366b30b30957ec3c733bae4c5f1a88f4122ec41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b2e5adc1197ced967d1e5657aacf240f723e6f8782d8b504c8abab680a7d9d
[INFO] running `Command { std: "docker" "start" "-a" "11b2e5adc1197ced967d1e5657aacf240f723e6f8782d8b504c8abab680a7d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "11b2e5adc1197ced967d1e5657aacf240f723e6f8782d8b504c8abab680a7d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b2e5adc1197ced967d1e5657aacf240f723e6f8782d8b504c8abab680a7d9d", kill_on_drop: false }`
[INFO] [stdout] 11b2e5adc1197ced967d1e5657aacf240f723e6f8782d8b504c8abab680a7d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0beb3dc50b4a8537c0ac2b2dbe1168a0de8ebf97b8fd50231289d4520fc1102f
[INFO] running `Command { std: "docker" "start" "-a" "0beb3dc50b4a8537c0ac2b2dbe1168a0de8ebf97b8fd50231289d4520fc1102f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_arena-899be9beb8f10449)
[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] [stderr]      Running tests/basic_tests.rs (/opt/rustwide/target/debug/deps/basic_tests-d27d6602a080d3c2)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test arena_mutate_parent_and_child_at_once ... ok
[INFO] [stdout] test arena_item_removal ... ok
[INFO] [stdout] test reparent_between_roots ... ok
[INFO] [stdout] test mem_swap ... ok
[INFO] [stdout] test child_ids ... ok
[INFO] [stdout] test reparent_node_simple ... ok
[INFO] [stdout] test reparent_node_to_parent ... ok
[INFO] [stdout] test arena_insertions ... ok
[INFO] [stdout] test reparent_node_with_children ... ok
[INFO] [stdout] test root_ids ... ok
[INFO] [stdout] test reparent_node_to_great_grandparent ... ok
[INFO] [stdout] test arena_duplicate_insertion - should panic ... ok
[INFO] [stdout] test reparent_child_not_found - should panic ... ok
[INFO] [stdout] test reparent_new_parent_not_found - should panic ... ok
[INFO] [stdout] test reparent_cycle - should panic ... ok
[INFO] [stdout] test reparent_root - should panic ... ok
[INFO] [stdout] test reparent_child_equals_new_parent - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_arena
[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" "0beb3dc50b4a8537c0ac2b2dbe1168a0de8ebf97b8fd50231289d4520fc1102f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0beb3dc50b4a8537c0ac2b2dbe1168a0de8ebf97b8fd50231289d4520fc1102f", kill_on_drop: false }`
[INFO] [stdout] 0beb3dc50b4a8537c0ac2b2dbe1168a0de8ebf97b8fd50231289d4520fc1102f
