[INFO] fetching crate io-tether 0.6.1...
[INFO] testing io-tether-0.6.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate io-tether 0.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate io-tether 0.6.1
[INFO] finished tweaking crates.io crate io-tether 0.6.1
[INFO] tweaked toml for crates.io crate io-tether 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-tether 0.6.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate io-tether 0.6.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35dbd80fc7836955cf720a812298618275bc6e4b0b501b8188a7618085ad6d78
[INFO] running `Command { std: "docker" "start" "-a" "35dbd80fc7836955cf720a812298618275bc6e4b0b501b8188a7618085ad6d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35dbd80fc7836955cf720a812298618275bc6e4b0b501b8188a7618085ad6d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dbd80fc7836955cf720a812298618275bc6e4b0b501b8188a7618085ad6d78", kill_on_drop: false }`
[INFO] [stdout] 35dbd80fc7836955cf720a812298618275bc6e4b0b501b8188a7618085ad6d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce94b337d27aeb396ecab4196fd671ac3242a32ef02bb7fa7f2d1abf51c5e2a4
[INFO] running `Command { std: "docker" "start" "-a" "ce94b337d27aeb396ecab4196fd671ac3242a32ef02bb7fa7f2d1abf51c5e2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling io-tether v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "ce94b337d27aeb396ecab4196fd671ac3242a32ef02bb7fa7f2d1abf51c5e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce94b337d27aeb396ecab4196fd671ac3242a32ef02bb7fa7f2d1abf51c5e2a4", kill_on_drop: false }`
[INFO] [stdout] ce94b337d27aeb396ecab4196fd671ac3242a32ef02bb7fa7f2d1abf51c5e2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f50776258863f3e04c4b570ea3e8a26c3f37b91c412939bed9f8a5adeca909a
[INFO] running `Command { std: "docker" "start" "-a" "7f50776258863f3e04c4b570ea3e8a26c3f37b91c412939bed9f8a5adeca909a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling io-tether v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "7f50776258863f3e04c4b570ea3e8a26c3f37b91c412939bed9f8a5adeca909a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f50776258863f3e04c4b570ea3e8a26c3f37b91c412939bed9f8a5adeca909a", kill_on_drop: false }`
[INFO] [stdout] 7f50776258863f3e04c4b570ea3e8a26c3f37b91c412939bed9f8a5adeca909a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 201fb13c7c06117a0be0d984fef7e335ff20b4d6d6bc55a3f12e4992ada94a14
[INFO] running `Command { std: "docker" "start" "-a" "201fb13c7c06117a0be0d984fef7e335ff20b4d6d6bc55a3f12e4992ada94a14", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_tether-dfeed6041f975705)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::basic_write ... ok
[INFO] [stdout] test tests::immediate_error ... ok
[INFO] [stdout] test tests::single_read_then_eof ... ok
[INFO] [stdout] test tests::two_read_then_eof ... ok
[INFO] [stdout] test tests::read_then_disconnect ... ok
[INFO] [stdout] test tests::reconnect_value_is_respected ... ok
[INFO] [stdout] test tests::disconnect_is_retried ... ok
[INFO] [stdout] test tests::split_works ... ok
[INFO] [stdout] test tests::error_is_consumed_when_set ... ok
[INFO] [stdout] test tests::failure_to_connect_doesnt_panic ... ok
[INFO] [stdout] test tests::write_data_is_silently_dropped_when_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_tether
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Tether (line 207) - compile ... ok
[INFO] [stdout] test src/lib.rs - Resolver (line 42) - compile ... ok
[INFO] [stdout] test src/lib.rs - Tether (line 233) ... ok
[INFO] [stdout] test src/../README.md - (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "201fb13c7c06117a0be0d984fef7e335ff20b4d6d6bc55a3f12e4992ada94a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201fb13c7c06117a0be0d984fef7e335ff20b4d6d6bc55a3f12e4992ada94a14", kill_on_drop: false }`
[INFO] [stdout] 201fb13c7c06117a0be0d984fef7e335ff20b4d6d6bc55a3f12e4992ada94a14