[INFO] fetching crate flow_impl 0.21.0...
[INFO] testing flow_impl-0.21.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flow_impl 0.21.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate flow_impl 0.21.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow_impl 0.21.0
[INFO] finished tweaking crates.io crate flow_impl 0.21.0
[INFO] tweaked toml for crates.io crate flow_impl 0.21.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161f5cbc0f7b1e20c50a80dedb4580c01d179b437d54e08dc631875f32fa91ec
[INFO] running `Command { std: "docker" "start" "-a" "161f5cbc0f7b1e20c50a80dedb4580c01d179b437d54e08dc631875f32fa91ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161f5cbc0f7b1e20c50a80dedb4580c01d179b437d54e08dc631875f32fa91ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161f5cbc0f7b1e20c50a80dedb4580c01d179b437d54e08dc631875f32fa91ec", kill_on_drop: false }`
[INFO] [stdout] 161f5cbc0f7b1e20c50a80dedb4580c01d179b437d54e08dc631875f32fa91ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48156495a4484cb3baa1441744fc40fe60fe1c57ccbc27466c3f167f27233579
[INFO] running `Command { std: "docker" "start" "-a" "48156495a4484cb3baa1441744fc40fe60fe1c57ccbc27466c3f167f27233579", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling flow_impl v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "48156495a4484cb3baa1441744fc40fe60fe1c57ccbc27466c3f167f27233579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48156495a4484cb3baa1441744fc40fe60fe1c57ccbc27466c3f167f27233579", kill_on_drop: false }`
[INFO] [stdout] 48156495a4484cb3baa1441744fc40fe60fe1c57ccbc27466c3f167f27233579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2210a84b29e558bd5c5d52e4b349c1d7bfa122747e41c59ee7e7e4a93f6c5b2e
[INFO] running `Command { std: "docker" "start" "-a" "2210a84b29e558bd5c5d52e4b349c1d7bfa122747e41c59ee7e7e4a93f6c5b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow_impl v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2210a84b29e558bd5c5d52e4b349c1d7bfa122747e41c59ee7e7e4a93f6c5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2210a84b29e558bd5c5d52e4b349c1d7bfa122747e41c59ee7e7e4a93f6c5b2e", kill_on_drop: false }`
[INFO] [stdout] 2210a84b29e558bd5c5d52e4b349c1d7bfa122747e41c59ee7e7e4a93f6c5b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5fd318e55e7b792366e3982116e3bdd02a46497c05d1e13ca699151fd74643e
[INFO] running `Command { std: "docker" "start" "-a" "d5fd318e55e7b792366e3982116e3bdd02a46497c05d1e13ca699151fd74643e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flow_impl-e902b3a7b2a74f5a)
[INFO] [stderr]    Doc-tests flow_impl
[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 1 test
[INFO] [stdout] test src/lib.rs - Implementation (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5fd318e55e7b792366e3982116e3bdd02a46497c05d1e13ca699151fd74643e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fd318e55e7b792366e3982116e3bdd02a46497c05d1e13ca699151fd74643e", kill_on_drop: false }`
[INFO] [stdout] d5fd318e55e7b792366e3982116e3bdd02a46497c05d1e13ca699151fd74643e