[INFO] fetching crate flow-rs 0.0.0-alpha.0...
[INFO] testing flow-rs-0.0.0-alpha.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate flow-rs 0.0.0-alpha.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate flow-rs 0.0.0-alpha.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] finished tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] tweaked toml for crates.io crate flow-rs 0.0.0-alpha.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b614e9b0fa9afdfdb0263692e11f39678ea6c1587a48bb96371f474266c0d7f
[INFO] running `Command { std: "docker" "start" "-a" "0b614e9b0fa9afdfdb0263692e11f39678ea6c1587a48bb96371f474266c0d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b614e9b0fa9afdfdb0263692e11f39678ea6c1587a48bb96371f474266c0d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b614e9b0fa9afdfdb0263692e11f39678ea6c1587a48bb96371f474266c0d7f", kill_on_drop: false }`
[INFO] [stdout] 0b614e9b0fa9afdfdb0263692e11f39678ea6c1587a48bb96371f474266c0d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1641f79f176dbb8e6722ca6915a7ffa90a40fe4888cd633e7a32c1d6704a8031
[INFO] running `Command { std: "docker" "start" "-a" "1641f79f176dbb8e6722ca6915a7ffa90a40fe4888cd633e7a32c1d6704a8031", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1641f79f176dbb8e6722ca6915a7ffa90a40fe4888cd633e7a32c1d6704a8031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1641f79f176dbb8e6722ca6915a7ffa90a40fe4888cd633e7a32c1d6704a8031", kill_on_drop: false }`
[INFO] [stdout] 1641f79f176dbb8e6722ca6915a7ffa90a40fe4888cd633e7a32c1d6704a8031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b39eba98d42bb75a41b2dea6ce8b86ebb2932b22d99e53f5f064fc0125db425
[INFO] running `Command { std: "docker" "start" "-a" "9b39eba98d42bb75a41b2dea6ce8b86ebb2932b22d99e53f5f064fc0125db425", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "9b39eba98d42bb75a41b2dea6ce8b86ebb2932b22d99e53f5f064fc0125db425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b39eba98d42bb75a41b2dea6ce8b86ebb2932b22d99e53f5f064fc0125db425", kill_on_drop: false }`
[INFO] [stdout] 9b39eba98d42bb75a41b2dea6ce8b86ebb2932b22d99e53f5f064fc0125db425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a29c849476ccd56a1d0b003ab1a55326a19690d99cd2fccdeb55d2dc0a24c48f
[INFO] running `Command { std: "docker" "start" "-a" "a29c849476ccd56a1d0b003ab1a55326a19690d99cd2fccdeb55d2dc0a24c48f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flow_rs-419ad611876058c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests flow-rs
[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" "a29c849476ccd56a1d0b003ab1a55326a19690d99cd2fccdeb55d2dc0a24c48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29c849476ccd56a1d0b003ab1a55326a19690d99cd2fccdeb55d2dc0a24c48f", kill_on_drop: false }`
[INFO] [stdout] a29c849476ccd56a1d0b003ab1a55326a19690d99cd2fccdeb55d2dc0a24c48f