[INFO] fetching crate stream-cancel 0.8.1...
[INFO] testing stream-cancel-0.8.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate stream-cancel 0.8.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate stream-cancel 0.8.1 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 stream-cancel 0.8.1
[INFO] finished tweaking crates.io crate stream-cancel 0.8.1
[INFO] tweaked toml for crates.io crate stream-cancel 0.8.1 written to /workspace/builds/worker-54/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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 4e6dc1e27a92dfed295ff72fe284ecfddb6cd12f95eb2f8626d2940b8fddd456
[INFO] running `Command { std: "docker" "start" "-a" "4e6dc1e27a92dfed295ff72fe284ecfddb6cd12f95eb2f8626d2940b8fddd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6dc1e27a92dfed295ff72fe284ecfddb6cd12f95eb2f8626d2940b8fddd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6dc1e27a92dfed295ff72fe284ecfddb6cd12f95eb2f8626d2940b8fddd456", kill_on_drop: false }`
[INFO] [stdout] 4e6dc1e27a92dfed295ff72fe284ecfddb6cd12f95eb2f8626d2940b8fddd456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 181261f3180afe7944988748174f928a7bc1b1dd36c562f949441784c16506d9
[INFO] running `Command { std: "docker" "start" "-a" "181261f3180afe7944988748174f928a7bc1b1dd36c562f949441784c16506d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling stream-cancel v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.38s
[INFO] running `Command { std: "docker" "inspect" "181261f3180afe7944988748174f928a7bc1b1dd36c562f949441784c16506d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181261f3180afe7944988748174f928a7bc1b1dd36c562f949441784c16506d9", kill_on_drop: false }`
[INFO] [stdout] 181261f3180afe7944988748174f928a7bc1b1dd36c562f949441784c16506d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 9b19fb181220f2a2a3a343783b020950198fbdc2ca645c8a6260aacfef93807d
[INFO] running `Command { std: "docker" "start" "-a" "9b19fb181220f2a2a3a343783b020950198fbdc2ca645c8a6260aacfef93807d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling stream-cancel v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `Command { std: "docker" "inspect" "9b19fb181220f2a2a3a343783b020950198fbdc2ca645c8a6260aacfef93807d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b19fb181220f2a2a3a343783b020950198fbdc2ca645c8a6260aacfef93807d", kill_on_drop: false }`
[INFO] [stdout] 9b19fb181220f2a2a3a343783b020950198fbdc2ca645c8a6260aacfef93807d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 74c0adfc3a0cd1f76627c27de4af833e389e728696f97a4931dac77a6cc2355e
[INFO] running `Command { std: "docker" "start" "-a" "74c0adfc3a0cd1f76627c27de4af833e389e728696f97a4931dac77a6cc2355e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_cancel-68d76da870fc4135)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::multi_interrupt ... ok
[INFO] [stdout] test tests::tokio_rt_on_idle ... ok
[INFO] [stdout] test wrapper::tests::valved_stream_may_be_dropped_safely ... ok
[INFO] [stdout] test tests::yields_many ... ok
[INFO] [stdout] test tests::yields_some ... ok
[INFO] [stdout] test tests::tokio_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream-cancel
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/combinator.rs - combinator::StreamExt::take_until_if (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74c0adfc3a0cd1f76627c27de4af833e389e728696f97a4931dac77a6cc2355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c0adfc3a0cd1f76627c27de4af833e389e728696f97a4931dac77a6cc2355e", kill_on_drop: false }`
[INFO] [stdout] 74c0adfc3a0cd1f76627c27de4af833e389e728696f97a4931dac77a6cc2355e