[INFO] cloning repository https://github.com/JungleMQ/JungleMQ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JungleMQ/JungleMQ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleMQ%2FJungleMQ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleMQ%2FJungleMQ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f301f99cc2bf700db6e96de679e17240f0c4181
[INFO] checking JungleMQ/JungleMQ against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleMQ%2FJungleMQ" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JungleMQ/JungleMQ on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JungleMQ/JungleMQ
[INFO] finished tweaking git repo https://github.com/JungleMQ/JungleMQ
[INFO] tweaked toml for git repo https://github.com/JungleMQ/JungleMQ written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/JungleMQ/JungleMQ already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded rkv v0.3.2
[INFO] [stderr]   Downloaded lmdb v0.7.2
[INFO] [stderr]   Downloaded lmdb-sys v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b43678d6bc716aacc81744c3601445950744b9fc63058089d4e12e256805ae4
[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" "7b43678d6bc716aacc81744c3601445950744b9fc63058089d4e12e256805ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b43678d6bc716aacc81744c3601445950744b9fc63058089d4e12e256805ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b43678d6bc716aacc81744c3601445950744b9fc63058089d4e12e256805ae4", kill_on_drop: false }`
[INFO] [stdout] 7b43678d6bc716aacc81744c3601445950744b9fc63058089d4e12e256805ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 0e16860d734e29d2ed2663a17d62f44b085462880dc5d41aefb0a7e0d1e12930
[INFO] running `Command { std: "docker" "start" "-a" "0e16860d734e29d2ed2663a17d62f44b085462880dc5d41aefb0a7e0d1e12930", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling lmdb-sys v0.7.2
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking lmdb v0.7.2
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking rkv v0.3.2
[INFO] [stderr]     Checking junglemq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "0e16860d734e29d2ed2663a17d62f44b085462880dc5d41aefb0a7e0d1e12930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e16860d734e29d2ed2663a17d62f44b085462880dc5d41aefb0a7e0d1e12930", kill_on_drop: false }`
[INFO] [stdout] 0e16860d734e29d2ed2663a17d62f44b085462880dc5d41aefb0a7e0d1e12930