[INFO] fetching crate r2d2_cypher 0.4.0...
[INFO] checking r2d2_cypher-0.4.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate r2d2_cypher 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate r2d2_cypher 0.4.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_cypher 0.4.0
[INFO] finished tweaking crates.io crate r2d2_cypher 0.4.0
[INFO] tweaked toml for crates.io crate r2d2_cypher 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded semver v0.5.1
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded rusted_cypher v1.1.0
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 921769cf287662d44484fe38b19862a5aa8a333f6afa5efddaf101cc4463a617
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "921769cf287662d44484fe38b19862a5aa8a333f6afa5efddaf101cc4463a617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921769cf287662d44484fe38b19862a5aa8a333f6afa5efddaf101cc4463a617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921769cf287662d44484fe38b19862a5aa8a333f6afa5efddaf101cc4463a617", kill_on_drop: false }`
[INFO] [stdout] 921769cf287662d44484fe38b19862a5aa8a333f6afa5efddaf101cc4463a617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f72a18d5c93226b0f5224c6b04a7182fd3acaeca35a03fc991aa132d1c873308
[INFO] running `Command { std: "docker" "start" "-a" "f72a18d5c93226b0f5224c6b04a7182fd3acaeca35a03fc991aa132d1c873308", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking rusted_cypher v1.1.0
[INFO] [stderr]     Checking r2d2_cypher v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.27s
[INFO] running `Command { std: "docker" "inspect" "f72a18d5c93226b0f5224c6b04a7182fd3acaeca35a03fc991aa132d1c873308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72a18d5c93226b0f5224c6b04a7182fd3acaeca35a03fc991aa132d1c873308", kill_on_drop: false }`
[INFO] [stdout] f72a18d5c93226b0f5224c6b04a7182fd3acaeca35a03fc991aa132d1c873308