[INFO] fetching crate thread-tree 0.3.3...
[INFO] testing thread-tree-0.3.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate thread-tree 0.3.3 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate thread-tree 0.3.3 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 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-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 05e1e4780e40680aea4e5dc33c860653cd57b5db19012fff54680633b764eb89
[INFO] running `Command { std: "docker" "start" "-a" "05e1e4780e40680aea4e5dc33c860653cd57b5db19012fff54680633b764eb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e1e4780e40680aea4e5dc33c860653cd57b5db19012fff54680633b764eb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e1e4780e40680aea4e5dc33c860653cd57b5db19012fff54680633b764eb89", kill_on_drop: false }`
[INFO] [stdout] 05e1e4780e40680aea4e5dc33c860653cd57b5db19012fff54680633b764eb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] f99b687ab1d0384189b8e9f1a96da369cdd7cb1d82a5759c2544b6b96beaf61e
[INFO] running `Command { std: "docker" "start" "-a" "f99b687ab1d0384189b8e9f1a96da369cdd7cb1d82a5759c2544b6b96beaf61e", kill_on_drop: false }`
[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 2.18s
[INFO] running `Command { std: "docker" "inspect" "f99b687ab1d0384189b8e9f1a96da369cdd7cb1d82a5759c2544b6b96beaf61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99b687ab1d0384189b8e9f1a96da369cdd7cb1d82a5759c2544b6b96beaf61e", kill_on_drop: false }`
[INFO] [stdout] f99b687ab1d0384189b8e9f1a96da369cdd7cb1d82a5759c2544b6b96beaf61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 87cec6e3d4d6908c03da9d6fdda820633f017574062c5c1946b9529116d8a10d
[INFO] running `Command { std: "docker" "start" "-a" "87cec6e3d4d6908c03da9d6fdda820633f017574062c5c1946b9529116d8a10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-tree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "87cec6e3d4d6908c03da9d6fdda820633f017574062c5c1946b9529116d8a10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cec6e3d4d6908c03da9d6fdda820633f017574062c5c1946b9529116d8a10d", kill_on_drop: false }`
[INFO] [stdout] 87cec6e3d4d6908c03da9d6fdda820633f017574062c5c1946b9529116d8a10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 7e73f5165da5ae817d8eadc841fbe3558b2bacf013ddbfedffecd285061a2902
[INFO] running `Command { std: "docker" "start" "-a" "7e73f5165da5ae817d8eadc841fbe3558b2bacf013ddbfedffecd285061a2902", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[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::panic_a - 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::panic_both_in_threads - should panic ... ok
[INFO] [stdout] test thread_tree_tests::on_panic_a_wait_for_b ... ok
[INFO] [stdout] test thread_tree_tests::deep_tree ... ok
[INFO] [stdout] test thread_tree_tests::overload_2_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread-tree
[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 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e73f5165da5ae817d8eadc841fbe3558b2bacf013ddbfedffecd285061a2902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e73f5165da5ae817d8eadc841fbe3558b2bacf013ddbfedffecd285061a2902", kill_on_drop: false }`
[INFO] [stdout] 7e73f5165da5ae817d8eadc841fbe3558b2bacf013ddbfedffecd285061a2902