[INFO] fetching crate thruster-middleware 0.9.0-alpha.2...
[INFO] testing thruster-middleware-0.9.0-alpha.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate thruster-middleware 0.9.0-alpha.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate thruster-middleware 0.9.0-alpha.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thruster-middleware 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-middleware 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-middleware 0.9.0-alpha.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7511960b28f5f5e93381fe4082ccf6a8563fea1a9f6aa3e2d3457979080a6292
[INFO] running `Command { std: "docker" "start" "-a" "7511960b28f5f5e93381fe4082ccf6a8563fea1a9f6aa3e2d3457979080a6292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7511960b28f5f5e93381fe4082ccf6a8563fea1a9f6aa3e2d3457979080a6292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7511960b28f5f5e93381fe4082ccf6a8563fea1a9f6aa3e2d3457979080a6292", kill_on_drop: false }`
[INFO] [stdout] 7511960b28f5f5e93381fe4082ccf6a8563fea1a9f6aa3e2d3457979080a6292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae5c1a9310b421b67ce6df0ba4ee9dbfffef63c6f79c0771050fb9b2adac5b1
[INFO] running `Command { std: "docker" "start" "-a" "8ae5c1a9310b421b67ce6df0ba4ee9dbfffef63c6f79c0771050fb9b2adac5b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling thruster-core-async-await v0.9.0-alpha.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling templatify v0.2.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling thruster-core v0.9.0-alpha.2
[INFO] [stderr]    Compiling thruster-middleware v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.91s
[INFO] running `Command { std: "docker" "inspect" "8ae5c1a9310b421b67ce6df0ba4ee9dbfffef63c6f79c0771050fb9b2adac5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae5c1a9310b421b67ce6df0ba4ee9dbfffef63c6f79c0771050fb9b2adac5b1", kill_on_drop: false }`
[INFO] [stdout] 8ae5c1a9310b421b67ce6df0ba4ee9dbfffef63c6f79c0771050fb9b2adac5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c175380cc4ab1b09a194208cad2e2621ec3e251f89fae06a07c878a005de53e
[INFO] running `Command { std: "docker" "start" "-a" "6c175380cc4ab1b09a194208cad2e2621ec3e251f89fae06a07c878a005de53e", kill_on_drop: false }`
[INFO] [stderr]    Compiling thruster-middleware v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "6c175380cc4ab1b09a194208cad2e2621ec3e251f89fae06a07c878a005de53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c175380cc4ab1b09a194208cad2e2621ec3e251f89fae06a07c878a005de53e", kill_on_drop: false }`
[INFO] [stdout] 6c175380cc4ab1b09a194208cad2e2621ec3e251f89fae06a07c878a005de53e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 960142e9fd6524c6f73b4780f8b6e0177b48db2fc9e88afc9e239abfd62cbe78
[INFO] running `Command { std: "docker" "start" "-a" "960142e9fd6524c6f73b4780f8b6e0177b48db2fc9e88afc9e239abfd62cbe78", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thruster_middleware-64eaad4f9d24c99b)
[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 thruster-middleware
[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" "960142e9fd6524c6f73b4780f8b6e0177b48db2fc9e88afc9e239abfd62cbe78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960142e9fd6524c6f73b4780f8b6e0177b48db2fc9e88afc9e239abfd62cbe78", kill_on_drop: false }`
[INFO] [stdout] 960142e9fd6524c6f73b4780f8b6e0177b48db2fc9e88afc9e239abfd62cbe78