[INFO] fetching crate tokio-buf 0.2.0-alpha.1...
[INFO] testing tokio-buf-0.2.0-alpha.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate tokio-buf 0.2.0-alpha.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tokio-buf 0.2.0-alpha.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-buf 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate tokio-buf 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate tokio-buf 0.2.0-alpha.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eb4a421040f58576cc62cbc36a8bcdc728c7e222d68267b04775854b611b98c
[INFO] running `Command { std: "docker" "start" "-a" "1eb4a421040f58576cc62cbc36a8bcdc728c7e222d68267b04775854b611b98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb4a421040f58576cc62cbc36a8bcdc728c7e222d68267b04775854b611b98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb4a421040f58576cc62cbc36a8bcdc728c7e222d68267b04775854b611b98c", kill_on_drop: false }`
[INFO] [stdout] 1eb4a421040f58576cc62cbc36a8bcdc728c7e222d68267b04775854b611b98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dd13b8774ac396c5d2a8accf5039ac0530289eed1f1384c30a1634bdc716778
[INFO] running `Command { std: "docker" "start" "-a" "0dd13b8774ac396c5d2a8accf5039ac0530289eed1f1384c30a1634bdc716778", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-buf v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0dd13b8774ac396c5d2a8accf5039ac0530289eed1f1384c30a1634bdc716778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd13b8774ac396c5d2a8accf5039ac0530289eed1f1384c30a1634bdc716778", kill_on_drop: false }`
[INFO] [stdout] 0dd13b8774ac396c5d2a8accf5039ac0530289eed1f1384c30a1634bdc716778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27bb83c5f535afa10eea3df162ac15fe492414d1e3f4848f6e86bb8841181789
[INFO] running `Command { std: "docker" "start" "-a" "27bb83c5f535afa10eea3df162ac15fe492414d1e3f4848f6e86bb8841181789", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling tokio-buf v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "27bb83c5f535afa10eea3df162ac15fe492414d1e3f4848f6e86bb8841181789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bb83c5f535afa10eea3df162ac15fe492414d1e3f4848f6e86bb8841181789", kill_on_drop: false }`
[INFO] [stdout] 27bb83c5f535afa10eea3df162ac15fe492414d1e3f4848f6e86bb8841181789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75d1415b958add1f2a5f42e627e9d6f7228b70f52fb1e185b972df39524822a0
[INFO] running `Command { std: "docker" "start" "-a" "75d1415b958add1f2a5f42e627e9d6f7228b70f52fb1e185b972df39524822a0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_buf-f28a1367b676689a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/buf_stream.rs (/opt/rustwide/target/debug/deps/buf_stream-f183d33f3e6ced65)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/chain.rs (/opt/rustwide/target/debug/deps/chain-2df0619cd5746c63)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/collect.rs (/opt/rustwide/target/debug/deps/collect-72f26817eebf7279)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-30b2971e62d159ae)
[INFO] [stdout] running 1 test
[INFO] [stdout] test object_safe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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] [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] [stderr]      Running tests/limit.rs (/opt/rustwide/target/debug/deps/limit-11bcc6bbfc0bafd3)
[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] [stderr]      Running tests/size_hint.rs (/opt/rustwide/target/debug/deps/size_hint-2fc1c6878a81d25d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test size_hint ... ok
[INFO] [stdout] test size_hint_upper_less_than_lower - should panic ... ok
[INFO] [stdout] test size_hint_lower_bigger_than_upper - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stream.rs (/opt/rustwide/target/debug/deps/stream-c026c4e2bb5f9ccd)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-9d31e55f9a4403a0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/support.rs (/opt/rustwide/target/debug/deps/support-8d93568dd3b1157d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-buf
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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] [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" "75d1415b958add1f2a5f42e627e9d6f7228b70f52fb1e185b972df39524822a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d1415b958add1f2a5f42e627e9d6f7228b70f52fb1e185b972df39524822a0", kill_on_drop: false }`
[INFO] [stdout] 75d1415b958add1f2a5f42e627e9d6f7228b70f52fb1e185b972df39524822a0