[INFO] fetching crate stream_generator 0.1.0...
[INFO] testing stream_generator-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate stream_generator 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stream_generator 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stream_generator 0.1.0
[INFO] finished tweaking crates.io crate stream_generator 0.1.0
[INFO] tweaked toml for crates.io crate stream_generator 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a220cec1e6ffac7f61283990b0c0e620f7cfda34d1bb7963f6f6d69194ebc6f2
[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" "a220cec1e6ffac7f61283990b0c0e620f7cfda34d1bb7963f6f6d69194ebc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a220cec1e6ffac7f61283990b0c0e620f7cfda34d1bb7963f6f6d69194ebc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a220cec1e6ffac7f61283990b0c0e620f7cfda34d1bb7963f6f6d69194ebc6f2", kill_on_drop: false }`
[INFO] [stdout] a220cec1e6ffac7f61283990b0c0e620f7cfda34d1bb7963f6f6d69194ebc6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a43c075bff9c599df7d3cc7074b01c770de4d0a3257e93259702c3dac01876f
[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" "2a43c075bff9c599df7d3cc7074b01c770de4d0a3257e93259702c3dac01876f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "2a43c075bff9c599df7d3cc7074b01c770de4d0a3257e93259702c3dac01876f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a43c075bff9c599df7d3cc7074b01c770de4d0a3257e93259702c3dac01876f", kill_on_drop: false }`
[INFO] [stdout] 2a43c075bff9c599df7d3cc7074b01c770de4d0a3257e93259702c3dac01876f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a809fb545c578753be8aeb587d0400cd7699546704ba12769bbbe67b4b9ce2
[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" "67a809fb545c578753be8aeb587d0400cd7699546704ba12769bbbe67b4b9ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "67a809fb545c578753be8aeb587d0400cd7699546704ba12769bbbe67b4b9ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a809fb545c578753be8aeb587d0400cd7699546704ba12769bbbe67b4b9ce2", kill_on_drop: false }`
[INFO] [stdout] 67a809fb545c578753be8aeb587d0400cd7699546704ba12769bbbe67b4b9ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] f4ed2e63346aabb3da094f4bd2da90c93d6fb046a224fc5048857654f6e7d54e
[INFO] running `Command { std: "docker" "start" "-a" "f4ed2e63346aabb3da094f4bd2da90c93d6fb046a224fc5048857654f6e7d54e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_generator-ac19618a30e3b65b)
[INFO] [stdout] test tests::empty_stream ... ok
[INFO] [stdout] test tests::convert_err ... ok
[INFO] [stdout] test tests::single_err ... ok
[INFO] [stdout] test tests::return_stream ... ok
[INFO] [stdout] test tests::yield_multi_value ... ok
[INFO] [stdout] test tests::stream_in_stream ... ok
[INFO] [stdout] test tests::yield_then_err ... ok
[INFO] [stdout] test tests::multi_try ... ok
[INFO] [stdout] test tests::noop_stream ... ok
[INFO] [stdout] test tests::yield_single_value ... ok
[INFO] [stdout] test tests::borrow_self ... ok
[INFO] [stdout] test tests::backpressure ... ok
[INFO] [stdout] test tests::consume_channel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - generate_try_stream (line 75) ... ok
[INFO] [stdout] test src/lib.rs - generate_stream (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4ed2e63346aabb3da094f4bd2da90c93d6fb046a224fc5048857654f6e7d54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ed2e63346aabb3da094f4bd2da90c93d6fb046a224fc5048857654f6e7d54e", kill_on_drop: false }`
[INFO] [stdout] f4ed2e63346aabb3da094f4bd2da90c93d6fb046a224fc5048857654f6e7d54e