[INFO] fetching crate pi_async_graph 0.4.2...
[INFO] testing pi_async_graph-0.4.2 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate pi_async_graph 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pi_async_graph 0.4.2 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_async_graph 0.4.2
[INFO] finished tweaking crates.io crate pi_async_graph 0.4.2
[INFO] tweaked toml for crates.io crate pi_async_graph 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_print_any v0.1.2
[INFO] [stderr]   Downloaded pi_time v0.2.2
[INFO] [stderr]   Downloaded pi_hash v0.1.1
[INFO] [stderr]   Downloaded pi_futures v0.1.0
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.0
[INFO] [stderr]   Downloaded pi_graph v0.1.4
[INFO] [stderr]   Downloaded pi_share v0.4.4
[INFO] [stderr]   Downloaded minstant v0.1.2
[INFO] [stderr]   Downloaded pi_async v0.5.7
[INFO] [stderr]   Downloaded pcg_rand v0.13.0
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee344401fd855c94becbb7e72addd96ed0b1dbed776f18b8bef7e6097c09a887
[INFO] running `Command { std: "docker" "start" "-a" "ee344401fd855c94becbb7e72addd96ed0b1dbed776f18b8bef7e6097c09a887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee344401fd855c94becbb7e72addd96ed0b1dbed776f18b8bef7e6097c09a887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee344401fd855c94becbb7e72addd96ed0b1dbed776f18b8bef7e6097c09a887", kill_on_drop: false }`
[INFO] [stdout] ee344401fd855c94becbb7e72addd96ed0b1dbed776f18b8bef7e6097c09a887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7000c5bcc5ca94940efefb3f120685a55ffa33eee248d7805eb3be40b608603e
[INFO] running `Command { std: "docker" "start" "-a" "7000c5bcc5ca94940efefb3f120685a55ffa33eee248d7805eb3be40b608603e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pi_ext_heap v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling pi_slot_deque v0.2.1
[INFO] [stderr]    Compiling pi_share v0.4.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling pi_slot_wheel v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling pi_cancel_timer v0.2.0
[INFO] [stderr]    Compiling pi_print_any v0.1.2
[INFO] [stderr]    Compiling pi_hash v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling pi_graph v0.1.4
[INFO] [stderr]    Compiling pi_futures v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling minstant v0.1.2
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling pi_time v0.2.2
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling pi_async v0.5.7
[INFO] [stderr]    Compiling pi_async_graph v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "7000c5bcc5ca94940efefb3f120685a55ffa33eee248d7805eb3be40b608603e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7000c5bcc5ca94940efefb3f120685a55ffa33eee248d7805eb3be40b608603e", kill_on_drop: false }`
[INFO] [stdout] 7000c5bcc5ca94940efefb3f120685a55ffa33eee248d7805eb3be40b608603e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d7a6d878c9d3a0067b480f5f8b5e6599042c1ae6356668c52f466539122f05b3
[INFO] running `Command { std: "docker" "start" "-a" "d7a6d878c9d3a0067b480f5f8b5e6599042c1ae6356668c52f466539122f05b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pcg_rand v0.13.0
[INFO] [stderr]    Compiling pi_async_graph v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `empty`
[INFO] [stdout]    --> src/lib.rs:313:23
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let f = move |empty| -> BoxFuture<'static, Result<()>> {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 3.33s
[INFO] running `Command { std: "docker" "inspect" "d7a6d878c9d3a0067b480f5f8b5e6599042c1ae6356668c52f466539122f05b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a6d878c9d3a0067b480f5f8b5e6599042c1ae6356668c52f466539122f05b3", kill_on_drop: false }`
[INFO] [stdout] d7a6d878c9d3a0067b480f5f8b5e6599042c1ae6356668c52f466539122f05b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9f390c6b4aad95c4b2be4a1ab1e448822fd05c5eca79b62f04623114a1c1f7f5
[INFO] running `Command { std: "docker" "start" "-a" "9f390c6b4aad95c4b2be4a1ab1e448822fd05c5eca79b62f04623114a1c1f7f5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `empty`
[INFO] [stderr]    --> src/lib.rs:313:23
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let f = move |empty| -> BoxFuture<'static, Result<()>> {
[INFO] [stderr]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pi_async_graph` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/pi_async_graph-a616f2a0f52c99e1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f390c6b4aad95c4b2be4a1ab1e448822fd05c5eca79b62f04623114a1c1f7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f390c6b4aad95c4b2be4a1ab1e448822fd05c5eca79b62f04623114a1c1f7f5", kill_on_drop: false }`
[INFO] [stdout] 9f390c6b4aad95c4b2be4a1ab1e448822fd05c5eca79b62f04623114a1c1f7f5