[INFO] fetching crate vicuna 0.4.1...
[INFO] testing vicuna-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vicuna 0.4.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate vicuna 0.4.1 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 vicuna 0.4.1
[INFO] finished tweaking crates.io crate vicuna 0.4.1
[INFO] tweaked toml for crates.io crate vicuna 0.4.1 written to /workspace/builds/worker-42/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 5cfc87ba2d92a1e3d8a3a1ba28fbcf2d722d19c5faa2e5b78b3141a4365768c2
[INFO] running `Command { std: "docker" "start" "-a" "5cfc87ba2d92a1e3d8a3a1ba28fbcf2d722d19c5faa2e5b78b3141a4365768c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfc87ba2d92a1e3d8a3a1ba28fbcf2d722d19c5faa2e5b78b3141a4365768c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfc87ba2d92a1e3d8a3a1ba28fbcf2d722d19c5faa2e5b78b3141a4365768c2", kill_on_drop: false }`
[INFO] [stdout] 5cfc87ba2d92a1e3d8a3a1ba28fbcf2d722d19c5faa2e5b78b3141a4365768c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] c2e136caca4cdfbf5dc9f943f4c089c41990e2120608efeb13b4de1f72d94402
[INFO] running `Command { std: "docker" "start" "-a" "c2e136caca4cdfbf5dc9f943f4c089c41990e2120608efeb13b4de1f72d94402", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling lambda_runtime_core v0.1.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling lambda_runtime_errors v0.1.1
[INFO] [stderr]    Compiling lambda_runtime_client v0.2.2
[INFO] [stderr]    Compiling lambda_runtime v0.2.1
[INFO] [stderr]    Compiling lambda_http v0.1.1
[INFO] [stderr]    Compiling vicuna v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "c2e136caca4cdfbf5dc9f943f4c089c41990e2120608efeb13b4de1f72d94402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e136caca4cdfbf5dc9f943f4c089c41990e2120608efeb13b4de1f72d94402", kill_on_drop: false }`
[INFO] [stdout] c2e136caca4cdfbf5dc9f943f4c089c41990e2120608efeb13b4de1f72d94402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 7062782f9f18ecc6e4a87a1df7d39c3b43b5866a955cc8627c7a95c39576a663
[INFO] running `Command { std: "docker" "start" "-a" "7062782f9f18ecc6e4a87a1df7d39c3b43b5866a955cc8627c7a95c39576a663", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vicuna v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "7062782f9f18ecc6e4a87a1df7d39c3b43b5866a955cc8627c7a95c39576a663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7062782f9f18ecc6e4a87a1df7d39c3b43b5866a955cc8627c7a95c39576a663", kill_on_drop: false }`
[INFO] [stdout] 7062782f9f18ecc6e4a87a1df7d39c3b43b5866a955cc8627c7a95c39576a663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 56e55aefdfcfddbf7d399b3841b9ebf38d084aace5b24a8011f95993c042b3bf
[INFO] running `Command { std: "docker" "start" "-a" "56e55aefdfcfddbf7d399b3841b9ebf38d084aace5b24a8011f95993c042b3bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vicuna-25f0f8647764e933)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests vicuna
[INFO] [stdout] test handler::tests::test_wrapping_handler_chaining ... ok
[INFO] [stdout] test handler::tests::test_wrapping_handler_echo_body ... ok
[INFO] [stdout] test handler::tests::test_wrapping_handler_hello_world ... ok
[INFO] [stdout] test middleware::tests::test_body ... ok
[INFO] [stdout] test middleware::tests::test_header ... ok
[INFO] [stdout] test middleware::tests::test_status ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56e55aefdfcfddbf7d399b3841b9ebf38d084aace5b24a8011f95993c042b3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e55aefdfcfddbf7d399b3841b9ebf38d084aace5b24a8011f95993c042b3bf", kill_on_drop: false }`
[INFO] [stdout] 56e55aefdfcfddbf7d399b3841b9ebf38d084aace5b24a8011f95993c042b3bf