[INFO] fetching crate and-then-concurrent 0.1.0...
[INFO] testing and-then-concurrent-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate and-then-concurrent 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate and-then-concurrent 0.1.0
[INFO] finished tweaking crates.io crate and-then-concurrent 0.1.0
[INFO] tweaked toml for crates.io crate and-then-concurrent 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate and-then-concurrent 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.48.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.2
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 532a35959fa400cdabb467e9ddb77c7474e235a6fea3ff88c3c2f37093d41bcd
[INFO] running `Command { std: "docker" "start" "-a" "532a35959fa400cdabb467e9ddb77c7474e235a6fea3ff88c3c2f37093d41bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532a35959fa400cdabb467e9ddb77c7474e235a6fea3ff88c3c2f37093d41bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532a35959fa400cdabb467e9ddb77c7474e235a6fea3ff88c3c2f37093d41bcd", kill_on_drop: false }`
[INFO] [stdout] 532a35959fa400cdabb467e9ddb77c7474e235a6fea3ff88c3c2f37093d41bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53bfea26b0b5a9fd3ae0750ab12983927605b1c462586203390a46ef63fcd317
[INFO] running `Command { std: "docker" "start" "-a" "53bfea26b0b5a9fd3ae0750ab12983927605b1c462586203390a46ef63fcd317", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling and-then-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "53bfea26b0b5a9fd3ae0750ab12983927605b1c462586203390a46ef63fcd317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bfea26b0b5a9fd3ae0750ab12983927605b1c462586203390a46ef63fcd317", kill_on_drop: false }`
[INFO] [stdout] 53bfea26b0b5a9fd3ae0750ab12983927605b1c462586203390a46ef63fcd317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b0586551f2f316af0a041452f5bb06ab8fe38817c679754109871ed9733854a
[INFO] running `Command { std: "docker" "start" "-a" "7b0586551f2f316af0a041452f5bb06ab8fe38817c679754109871ed9733854a", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling and-then-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "7b0586551f2f316af0a041452f5bb06ab8fe38817c679754109871ed9733854a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0586551f2f316af0a041452f5bb06ab8fe38817c679754109871ed9733854a", kill_on_drop: false }`
[INFO] [stdout] 7b0586551f2f316af0a041452f5bb06ab8fe38817c679754109871ed9733854a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b0992d505835fb0958c9cedadd63503d30d5b244439a3192eb0a3c1b84b80df
[INFO] running `Command { std: "docker" "start" "-a" "3b0992d505835fb0958c9cedadd63503d30d5b244439a3192eb0a3c1b84b80df", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/and_then_concurrent-573c513cd7700dd8)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests and_then_concurrent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b0992d505835fb0958c9cedadd63503d30d5b244439a3192eb0a3c1b84b80df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0992d505835fb0958c9cedadd63503d30d5b244439a3192eb0a3c1b84b80df", kill_on_drop: false }`
[INFO] [stdout] 3b0992d505835fb0958c9cedadd63503d30d5b244439a3192eb0a3c1b84b80df