[INFO] fetching crate read-write-ext-tokio 1.0.0...
[INFO] testing read-write-ext-tokio-1.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate read-write-ext-tokio 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate read-write-ext-tokio 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate read-write-ext-tokio 1.0.0
[INFO] tweaked toml for crates.io crate read-write-ext-tokio 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-write-ext-tokio 1.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate read-write-ext-tokio 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336b50b1e8d5b84c4c9804a73c5de744295b0ab9d6e5d5d99d8d1525795af8e8
[INFO] running `Command { std: "docker" "start" "-a" "336b50b1e8d5b84c4c9804a73c5de744295b0ab9d6e5d5d99d8d1525795af8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336b50b1e8d5b84c4c9804a73c5de744295b0ab9d6e5d5d99d8d1525795af8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336b50b1e8d5b84c4c9804a73c5de744295b0ab9d6e5d5d99d8d1525795af8e8", kill_on_drop: false }`
[INFO] [stdout] 336b50b1e8d5b84c4c9804a73c5de744295b0ab9d6e5d5d99d8d1525795af8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b51a79ace9973e6de71654ebb88ce491502cb0ca98b1584eb14377a0769a064
[INFO] running `Command { std: "docker" "start" "-a" "7b51a79ace9973e6de71654ebb88ce491502cb0ca98b1584eb14377a0769a064", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling read-write-ext-tokio v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "7b51a79ace9973e6de71654ebb88ce491502cb0ca98b1584eb14377a0769a064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b51a79ace9973e6de71654ebb88ce491502cb0ca98b1584eb14377a0769a064", kill_on_drop: false }`
[INFO] [stdout] 7b51a79ace9973e6de71654ebb88ce491502cb0ca98b1584eb14377a0769a064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eef355f180b838aa48e146717433c8e849364a6a0a714627bae6d26c3fc8252
[INFO] running `Command { std: "docker" "start" "-a" "3eef355f180b838aa48e146717433c8e849364a6a0a714627bae6d26c3fc8252", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling fixed-buffer v1.0.0
[INFO] [stderr]    Compiling read-write-ext-tokio v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `Command { std: "docker" "inspect" "3eef355f180b838aa48e146717433c8e849364a6a0a714627bae6d26c3fc8252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eef355f180b838aa48e146717433c8e849364a6a0a714627bae6d26c3fc8252", kill_on_drop: false }`
[INFO] [stdout] 3eef355f180b838aa48e146717433c8e849364a6a0a714627bae6d26c3fc8252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f1471c9a1c6fa81adcdbc064446f52baa283c29345da20ce67e574532272f40
[INFO] running `Command { std: "docker" "start" "-a" "8f1471c9a1c6fa81adcdbc064446f52baa283c29345da20ce67e574532272f40", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_write_ext_tokio-bc5882f34b1f9057)
[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/chain.rs (/opt/rustwide/target/debug/deps/chain-d42a7192afa4c93f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test both_empty ... ok
[INFO] [stdout] test doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test passes_flush_through ... ok
[INFO] [stdout] test passes_write_through ... ok
[INFO] [stdout] test passes_shutdown_through ... ok
[INFO] [stdout] test reads_first_then_second ... ok
[INFO] [stdout] test reads_second_when_first_empty ... ok
[INFO] [stdout] test returns_error_from_second ... ok
[INFO] [stdout] test doesnt_read_second_when_first_is_pending ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/take.rs (/opt/rustwide/target/debug/deps/take-34c9e8dda83cb216)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test doesnt_read_when_zero ... ok
[INFO] [stdout] test exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test exactly_len ... ok
[INFO] [stdout] test fewer_than_len ... ok
[INFO] [stdout] test fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test passes_flush_through ... ok
[INFO] [stdout] test passes_shutdown_through ... ok
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test passes_write_through ... ok
[INFO] [stdout] test read_pending ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_utils.rs (/opt/rustwide/target/debug/deps/test_utils-8fe17e8824c2bb24)
[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]    Doc-tests read_write_ext_tokio
[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" "8f1471c9a1c6fa81adcdbc064446f52baa283c29345da20ce67e574532272f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1471c9a1c6fa81adcdbc064446f52baa283c29345da20ce67e574532272f40", kill_on_drop: false }`
[INFO] [stdout] 8f1471c9a1c6fa81adcdbc064446f52baa283c29345da20ce67e574532272f40