[INFO] fetching crate fastforward 0.5.1...
[INFO] testing fastforward-0.5.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fastforward 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fastforward 0.5.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastforward 0.5.1
[INFO] finished tweaking crates.io crate fastforward 0.5.1
[INFO] tweaked toml for crates.io crate fastforward 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flask v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8e3a676e1c2cf6ed5288d9ae1385386cceb7b533f0d5f88f453fae90914b5c6
[INFO] running `Command { std: "docker" "start" "-a" "c8e3a676e1c2cf6ed5288d9ae1385386cceb7b533f0d5f88f453fae90914b5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8e3a676e1c2cf6ed5288d9ae1385386cceb7b533f0d5f88f453fae90914b5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e3a676e1c2cf6ed5288d9ae1385386cceb7b533f0d5f88f453fae90914b5c6", kill_on_drop: false }`
[INFO] [stdout] c8e3a676e1c2cf6ed5288d9ae1385386cceb7b533f0d5f88f453fae90914b5c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d337f7b0a6fe0140540c7e0b024c557d7c3f0c8f3679d13dc0c599c467628ab0
[INFO] running `Command { std: "docker" "start" "-a" "d337f7b0a6fe0140540c7e0b024c557d7c3f0c8f3679d13dc0c599c467628ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling flask v2.0.3
[INFO] [stderr]    Compiling fastforward v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "d337f7b0a6fe0140540c7e0b024c557d7c3f0c8f3679d13dc0c599c467628ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d337f7b0a6fe0140540c7e0b024c557d7c3f0c8f3679d13dc0c599c467628ab0", kill_on_drop: false }`
[INFO] [stdout] d337f7b0a6fe0140540c7e0b024c557d7c3f0c8f3679d13dc0c599c467628ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aede1f7ccbe028b39707d67ee9be48786c2aaf9271d82027899d2b4271427ac
[INFO] running `Command { std: "docker" "start" "-a" "1aede1f7ccbe028b39707d67ee9be48786c2aaf9271d82027899d2b4271427ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastforward v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Response`
[INFO] [stdout]   --> src/proxy/filters.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Response
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "1aede1f7ccbe028b39707d67ee9be48786c2aaf9271d82027899d2b4271427ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aede1f7ccbe028b39707d67ee9be48786c2aaf9271d82027899d2b4271427ac", kill_on_drop: false }`
[INFO] [stdout] 1aede1f7ccbe028b39707d67ee9be48786c2aaf9271d82027899d2b4271427ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d5e9e4e6ac0e3d08dd1d6b6939f18490cd0cf37e7ac7c342f604bdcd78b402b
[INFO] running `Command { std: "docker" "start" "-a" "4d5e9e4e6ac0e3d08dd1d6b6939f18490cd0cf37e7ac7c342f604bdcd78b402b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Response`
[INFO] [stderr]   --> src/proxy/filters.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Response
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastforward-95c00f1ea3e7fbea)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fastforward
[INFO] [stdout] running 1 test
[INFO] [stdout] test proxy::filters::test_filter_frontend_request_headers ... 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] [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" "4d5e9e4e6ac0e3d08dd1d6b6939f18490cd0cf37e7ac7c342f604bdcd78b402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5e9e4e6ac0e3d08dd1d6b6939f18490cd0cf37e7ac7c342f604bdcd78b402b", kill_on_drop: false }`
[INFO] [stdout] 4d5e9e4e6ac0e3d08dd1d6b6939f18490cd0cf37e7ac7c342f604bdcd78b402b