[INFO] fetching crate generator 0.7.0...
[INFO] testing generator-0.7.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate generator 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate generator 0.7.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generator 0.7.0
[INFO] finished tweaking crates.io crate generator 0.7.0
[INFO] tweaked toml for crates.io crate generator 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate generator 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f683400a11d92e523c3b1a285505f9ae0ca5b7038c9c4ae5c91e58eee45d5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95f683400a11d92e523c3b1a285505f9ae0ca5b7038c9c4ae5c91e58eee45d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f683400a11d92e523c3b1a285505f9ae0ca5b7038c9c4ae5c91e58eee45d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f683400a11d92e523c3b1a285505f9ae0ca5b7038c9c4ae5c91e58eee45d5d", kill_on_drop: false }`
[INFO] [stdout] 95f683400a11d92e523c3b1a285505f9ae0ca5b7038c9c4ae5c91e58eee45d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ca80f087b6c07a0810bc86dd6da7986c3a105fafe7c5126a410c923511453fb
[INFO] running `Command { std: "docker" "start" "-a" "3ca80f087b6c07a0810bc86dd6da7986c3a105fafe7c5126a410c923511453fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling generator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "3ca80f087b6c07a0810bc86dd6da7986c3a105fafe7c5126a410c923511453fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca80f087b6c07a0810bc86dd6da7986c3a105fafe7c5126a410c923511453fb", kill_on_drop: false }`
[INFO] [stdout] 3ca80f087b6c07a0810bc86dd6da7986c3a105fafe7c5126a410c923511453fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef64bc6f92e5e097a496507813a6bbb693d5acd69900c3d36412f9ef75bed4cb
[INFO] running `Command { std: "docker" "start" "-a" "ef64bc6f92e5e097a496507813a6bbb693d5acd69900c3d36412f9ef75bed4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling generator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> tests/lib.rs:213:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |         unsafe { &mut *ptr::null_mut() }
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "ef64bc6f92e5e097a496507813a6bbb693d5acd69900c3d36412f9ef75bed4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef64bc6f92e5e097a496507813a6bbb693d5acd69900c3d36412f9ef75bed4cb", kill_on_drop: false }`
[INFO] [stdout] ef64bc6f92e5e097a496507813a6bbb693d5acd69900c3d36412f9ef75bed4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61b9f731071121a1d80adbe350bbad6369372345f3e52fd4cba38d470c30e43a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61b9f731071121a1d80adbe350bbad6369372345f3e52fd4cba38d470c30e43a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> tests/lib.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |         unsafe { &mut *ptr::null_mut() }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generator-69bb72b61c1e9944)
[INFO] [stdout] test rt::test::test_is_context ... ok
[INFO] [stdout] test reg_context::test::test_swap_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-574e8b855a5bca30)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test test_ill_drop ... ok
[INFO] [stdout] test generator_is_done_with_drop ... ok
[INFO] [stdout] test test_loop_drop ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_deep_yield_with_type_error ... ok
[INFO] [stdout] test test_re_init ... ok
[INFO] [stdout] test generator_is_done ... ok
[INFO] [stdout] test test_scoped_1 ... ok
[INFO] [stdout] test test_yield_a ... ok
[INFO] [stdout] test generator_is_done1 ... ok
[INFO] [stdout] test test_scoped_yield ... ok
[INFO] [stdout] test test_yield_from ... ok
[INFO] [stdout] test test_scoped ... ok
[INFO] [stdout] test test_scope_yield_from_send ... ok
[INFO] [stdout] test test_return ... ok
[INFO] [stdout] test test_scope_gen ... ok
[INFO] [stdout] test test_yield_from_send ... ok
[INFO] [stdout] test test_yield_with ... ok
[INFO] [stdout] test test_panic_inside ... ok
[INFO] [stdout] test done_in_normal ... ok
[INFO] [stdout] test test_get_yield_type_error ... ok
[INFO] [stdout] test invaild_yield_in_scope ... ok
[INFO] [stdout] test test_yield_from_functor_context ... ok
[INFO] [stdout] test test_yield_with_from_functor_context ... ok
[INFO] [stdout] test test_yield_from_send_type_miss_match ... ok
[INFO] [stdout] test test_yield_with_type_error ... ok
[INFO] [stdout] test test_cancel ... ok
[INFO] [stdout] test test_inner_ref ... ok
[INFO] [stdout] test test_yield_from_generator_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generator
[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" "61b9f731071121a1d80adbe350bbad6369372345f3e52fd4cba38d470c30e43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b9f731071121a1d80adbe350bbad6369372345f3e52fd4cba38d470c30e43a", kill_on_drop: false }`
[INFO] [stdout] 61b9f731071121a1d80adbe350bbad6369372345f3e52fd4cba38d470c30e43a