[INFO] fetching crate thread-tree 0.3.3...
[INFO] testing thread-tree-0.3.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate thread-tree 0.3.3 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate thread-tree 0.3.3 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 thread-tree 0.3.3
[INFO] finished tweaking crates.io crate thread-tree 0.3.3
[INFO] tweaked toml for crates.io crate thread-tree 0.3.3 written to /workspace/builds/worker-29/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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 4c69f4ac997e975a71d05c918e44a187ea1045896f017a90ff96cf2254f73d50
[INFO] running `Command { std: "docker" "start" "-a" "4c69f4ac997e975a71d05c918e44a187ea1045896f017a90ff96cf2254f73d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c69f4ac997e975a71d05c918e44a187ea1045896f017a90ff96cf2254f73d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c69f4ac997e975a71d05c918e44a187ea1045896f017a90ff96cf2254f73d50", kill_on_drop: false }`
[INFO] [stdout] 4c69f4ac997e975a71d05c918e44a187ea1045896f017a90ff96cf2254f73d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] db45114c462ebb2cb5cce89200fb1dd101a0bc8f50e590e2650212c89095a215
[INFO] running `Command { std: "docker" "start" "-a" "db45114c462ebb2cb5cce89200fb1dd101a0bc8f50e590e2650212c89095a215", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling thread-tree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "db45114c462ebb2cb5cce89200fb1dd101a0bc8f50e590e2650212c89095a215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db45114c462ebb2cb5cce89200fb1dd101a0bc8f50e590e2650212c89095a215", kill_on_drop: false }`
[INFO] [stdout] db45114c462ebb2cb5cce89200fb1dd101a0bc8f50e590e2650212c89095a215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 38ab3f83747e028279856d594cf9d2cf0808369b7f50e3b690fa0e022711aad4
[INFO] running `Command { std: "docker" "start" "-a" "38ab3f83747e028279856d594cf9d2cf0808369b7f50e3b690fa0e022711aad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling thread-tree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "38ab3f83747e028279856d594cf9d2cf0808369b7f50e3b690fa0e022711aad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ab3f83747e028279856d594cf9d2cf0808369b7f50e3b690fa0e022711aad4", kill_on_drop: false }`
[INFO] [stdout] 38ab3f83747e028279856d594cf9d2cf0808369b7f50e3b690fa0e022711aad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 1190d341a97d932c0fb97994e5f83e1ab3ffdb6feafb6731f0b5fc44c93d36e0
[INFO] running `Command { std: "docker" "start" "-a" "1190d341a97d932c0fb97994e5f83e1ab3ffdb6feafb6731f0b5fc44c93d36e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thread_tree-c566377be5db3946)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test thread_tree_tests::new_level_1 ... ok
[INFO] [stdout] test thread_tree_tests::build_level_2 ... ok
[INFO] [stdout] test thread_tree_tests::stub ... ok
[INFO] [stdout] test thread_tree_tests::overload_2_2 ... ok
[INFO] [stdout] test thread_tree_tests::panic_a - should panic ... ok
[INFO] [stdout] test thread_tree_tests::panic_both_in_threads - should panic ... ok
[INFO] [stdout] test thread_tree_tests::panic_b - should panic ... ok
[INFO] [stdout] test thread_tree_tests::panic_both_bottom - should panic ... ok
[INFO] [stdout] test thread_tree_tests::on_panic_a_wait_for_b ... ok
[INFO] [stderr]    Doc-tests thread-tree
[INFO] [stdout] test thread_tree_tests::deep_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ThreadTree::top (line 107) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1190d341a97d932c0fb97994e5f83e1ab3ffdb6feafb6731f0b5fc44c93d36e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1190d341a97d932c0fb97994e5f83e1ab3ffdb6feafb6731f0b5fc44c93d36e0", kill_on_drop: false }`
[INFO] [stdout] 1190d341a97d932c0fb97994e5f83e1ab3ffdb6feafb6731f0b5fc44c93d36e0