[INFO] fetching crate async-process 1.6.0...
[INFO] testing async-process-1.6.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate async-process 1.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-process 1.6.0 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 async-process 1.6.0
[INFO] finished tweaking crates.io crate async-process 1.6.0
[INFO] tweaked toml for crates.io crate async-process 1.6.0 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6093884c257edb4c4f08aec62e522f1e744441b69099c516be2fd47fc5a31d3d
[INFO] running `Command { std: "docker" "start" "-a" "6093884c257edb4c4f08aec62e522f1e744441b69099c516be2fd47fc5a31d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6093884c257edb4c4f08aec62e522f1e744441b69099c516be2fd47fc5a31d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6093884c257edb4c4f08aec62e522f1e744441b69099c516be2fd47fc5a31d3d", kill_on_drop: false }`
[INFO] [stdout] 6093884c257edb4c4f08aec62e522f1e744441b69099c516be2fd47fc5a31d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5e89f2f96f4b86f2a0d5d6858ac99f414027ff296ddda36c56704ac80de3dc2c
[INFO] running `Command { std: "docker" "start" "-a" "5e89f2f96f4b86f2a0d5d6858ac99f414027ff296ddda36c56704ac80de3dc2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling polling v2.5.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-process v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "5e89f2f96f4b86f2a0d5d6858ac99f414027ff296ddda36c56704ac80de3dc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e89f2f96f4b86f2a0d5d6858ac99f414027ff296ddda36c56704ac80de3dc2c", kill_on_drop: false }`
[INFO] [stdout] 5e89f2f96f4b86f2a0d5d6858ac99f414027ff296ddda36c56704ac80de3dc2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 412eb461effb8a9d20fe6b15fbc10337b28cd505882cfc66987cf055798573d0
[INFO] running `Command { std: "docker" "start" "-a" "412eb461effb8a9d20fe6b15fbc10337b28cd505882cfc66987cf055798573d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-process v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "412eb461effb8a9d20fe6b15fbc10337b28cd505882cfc66987cf055798573d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412eb461effb8a9d20fe6b15fbc10337b28cd505882cfc66987cf055798573d0", kill_on_drop: false }`
[INFO] [stdout] 412eb461effb8a9d20fe6b15fbc10337b28cd505882cfc66987cf055798573d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8f4a6669f336d55046ae37be600d340ccb4a3e34fc32487969441c42fab09620
[INFO] running `Command { std: "docker" "start" "-a" "8f4a6669f336d55046ae37be600d340ccb4a3e34fc32487969441c42fab09620", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/async_process-808f8bbb993d9710)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_into_inner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/std.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/std-7b1e254b9984bf46)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test set_current_dir_works ... ok
[INFO] [stdout] test stdin_works ... ok
[INFO] [stdout] test smoke_failure ... ok
[INFO] [stdout] test signal_reported_right ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_finish_twice ... ok
[INFO] [stdout] test test_add_to_env ... ok
[INFO] [stdout] test exit_reported_right ... ok
[INFO] [stdout] test child_status_preserved_with_kill_on_drop ... ok
[INFO] [stdout] test test_finish_once ... ok
[INFO] [stdout] test stdout_works ... ok
[INFO] [stdout] test test_override_env ... ok
[INFO] [stdout] test test_process_output_fail_to_start ... ok
[INFO] [stdout] test test_wait_with_output_once ... ok
[INFO] [stdout] test test_process_status ... ok
[INFO] [stdout] test test_capture_env_at_spawn ... ok
[INFO] [stdout] test test_process_output_output ... ok
[INFO] [stdout] test test_spawn_multiple_with_stdio ... ok
[INFO] [stdout] test test_process_output_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f4a6669f336d55046ae37be600d340ccb4a3e34fc32487969441c42fab09620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4a6669f336d55046ae37be600d340ccb4a3e34fc32487969441c42fab09620", kill_on_drop: false }`
[INFO] [stdout] 8f4a6669f336d55046ae37be600d340ccb4a3e34fc32487969441c42fab09620