[INFO] fetching crate rcs_backend 0.2.1...
[INFO] building rcs_backend-0.2.1 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate rcs_backend 0.2.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rcs_backend 0.2.1 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcs_backend 0.2.1
[INFO] finished tweaking crates.io crate rcs_backend 0.2.1
[INFO] tweaked toml for crates.io crate rcs_backend 0.2.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rcs_backend 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_asn1 v0.6.1
[INFO] [stderr]   Downloaded backoff v0.4.0
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded hyper-tungstenite v0.5.0
[INFO] [stderr]   Downloaded jsonwebtoken v8.0.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.16.1
[INFO] [stderr]   Downloaded futures_codec v0.4.1
[INFO] [stderr]   Downloaded docker-api v0.8.0
[INFO] [stderr]   Downloaded async-tungstenite v0.16.1
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c64eb13278e7d59185e6a113b404e2f1c31c7b36d29e6725ba7544ce5fff0f
[INFO] running `Command { std: "docker" "start" "-a" "57c64eb13278e7d59185e6a113b404e2f1c31c7b36d29e6725ba7544ce5fff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c64eb13278e7d59185e6a113b404e2f1c31c7b36d29e6725ba7544ce5fff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c64eb13278e7d59185e6a113b404e2f1c31c7b36d29e6725ba7544ce5fff0f", kill_on_drop: false }`
[INFO] [stdout] 57c64eb13278e7d59185e6a113b404e2f1c31c7b36d29e6725ba7544ce5fff0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f58715fc0e43d187ff8d996488b0d20f335dae33ef0f427c0c08ae5ed22683
[INFO] running `Command { std: "docker" "start" "-a" "94f58715fc0e43d187ff8d996488b0d20f335dae33ef0f427c0c08ae5ed22683", kill_on_drop: false }`
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[INFO] [stderr]    Compiling docker-api v0.8.0
[INFO] [stderr]    Compiling rcs_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.19s
[INFO] running `Command { std: "docker" "inspect" "94f58715fc0e43d187ff8d996488b0d20f335dae33ef0f427c0c08ae5ed22683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f58715fc0e43d187ff8d996488b0d20f335dae33ef0f427c0c08ae5ed22683", kill_on_drop: false }`
[INFO] [stdout] 94f58715fc0e43d187ff8d996488b0d20f335dae33ef0f427c0c08ae5ed22683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17da2a1b31ca28aafda1edb8175c1625c7c59503cfb5f835c00f88bbc5b99ad
[INFO] running `Command { std: "docker" "start" "-a" "b17da2a1b31ca28aafda1edb8175c1625c7c59503cfb5f835c00f88bbc5b99ad", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rcs_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] [stderr]   Executable unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/rcs_backend-c756edee79db9b6d)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rcs_backend-9f5e532e2724341d)
[INFO] running `Command { std: "docker" "inspect" "b17da2a1b31ca28aafda1edb8175c1625c7c59503cfb5f835c00f88bbc5b99ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17da2a1b31ca28aafda1edb8175c1625c7c59503cfb5f835c00f88bbc5b99ad", kill_on_drop: false }`
[INFO] [stdout] b17da2a1b31ca28aafda1edb8175c1625c7c59503cfb5f835c00f88bbc5b99ad