[INFO] fetching crate rctree 0.4.0...
[INFO] testing rctree-0.4.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rctree 0.4.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate rctree 0.4.0 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 rctree 0.4.0
[INFO] finished tweaking crates.io crate rctree 0.4.0
[INFO] tweaked toml for crates.io crate rctree 0.4.0 written to /workspace/builds/worker-60/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] 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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22a8ec852e4a38495a42b336f9b6f7936ee7ca36496b07795ab9775c839f361e
[INFO] running `Command { std: "docker" "start" "-a" "22a8ec852e4a38495a42b336f9b6f7936ee7ca36496b07795ab9775c839f361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22a8ec852e4a38495a42b336f9b6f7936ee7ca36496b07795ab9775c839f361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a8ec852e4a38495a42b336f9b6f7936ee7ca36496b07795ab9775c839f361e", kill_on_drop: false }`
[INFO] [stdout] 22a8ec852e4a38495a42b336f9b6f7936ee7ca36496b07795ab9775c839f361e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f557a609a8d203295e1af1f70ac95891d79d98ced15736df09f6d99514410d15
[INFO] running `Command { std: "docker" "start" "-a" "f557a609a8d203295e1af1f70ac95891d79d98ced15736df09f6d99514410d15", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f557a609a8d203295e1af1f70ac95891d79d98ced15736df09f6d99514410d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f557a609a8d203295e1af1f70ac95891d79d98ced15736df09f6d99514410d15", kill_on_drop: false }`
[INFO] [stdout] f557a609a8d203295e1af1f70ac95891d79d98ced15736df09f6d99514410d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a373708e53729c520948840b3253a6afbc8c169d9b0ba09f965dd5b94f3b68
[INFO] running `Command { std: "docker" "start" "-a" "e6a373708e53729c520948840b3253a6afbc8c169d9b0ba09f965dd5b94f3b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "e6a373708e53729c520948840b3253a6afbc8c169d9b0ba09f965dd5b94f3b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a373708e53729c520948840b3253a6afbc8c169d9b0ba09f965dd5b94f3b68", kill_on_drop: false }`
[INFO] [stdout] e6a373708e53729c520948840b3253a6afbc8c169d9b0ba09f965dd5b94f3b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 820f532f50ef6ffec91e08dd2bad661f946408948005162a624da44bf827f493
[INFO] running `Command { std: "docker" "start" "-a" "820f532f50ef6ffec91e08dd2bad661f946408948005162a624da44bf827f493", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rctree-62c1d2436686dda5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-064162f40e5b17d1)
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test children_1 ... ok
[INFO] [stdout] test children_2 ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test make_copy_1 ... ok
[INFO] [stdout] test make_deep_copy_1 ... ok
[INFO] [stdout] test traverse_1 ... ok
[INFO] [stdout] test traverse_2 ... ok
[INFO] [stdout] test weak_2 ... ok
[INFO] [stdout] test weak_1 ... ok
[INFO] [stdout] test append_1 - should panic ... ok
[INFO] [stdout] test iter_1 - should panic ... ok
[INFO] [stdout] test insert_after_1 - should panic ... ok
[INFO] [stdout] test insert_before_1 - should panic ... ok
[INFO] [stdout] test prepend_1 - should panic ... ok
[INFO] [stdout] test stack_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rctree
[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" "820f532f50ef6ffec91e08dd2bad661f946408948005162a624da44bf827f493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820f532f50ef6ffec91e08dd2bad661f946408948005162a624da44bf827f493", kill_on_drop: false }`
[INFO] [stdout] 820f532f50ef6ffec91e08dd2bad661f946408948005162a624da44bf827f493