[INFO] fetching crate mint-template-engine 1.2.0-rc.2...
[INFO] checking mint-template-engine-1.2.0-rc.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate mint-template-engine 1.2.0-rc.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mint-template-engine 1.2.0-rc.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mint-template-engine 1.2.0-rc.2
[INFO] finished tweaking crates.io crate mint-template-engine 1.2.0-rc.2
[INFO] tweaked toml for crates.io crate mint-template-engine 1.2.0-rc.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mint-template-engine 1.2.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c6a2a061acd38d0d08cea8069ea0f572a57eabe36d049a4e3a57723c982a3a5
[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" "5c6a2a061acd38d0d08cea8069ea0f572a57eabe36d049a4e3a57723c982a3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6a2a061acd38d0d08cea8069ea0f572a57eabe36d049a4e3a57723c982a3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6a2a061acd38d0d08cea8069ea0f572a57eabe36d049a4e3a57723c982a3a5", kill_on_drop: false }`
[INFO] [stdout] 5c6a2a061acd38d0d08cea8069ea0f572a57eabe36d049a4e3a57723c982a3a5
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382b181b2d08af49d72beb881e4537e40faef14114cdc179139e5328bebb8676
[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" "382b181b2d08af49d72beb881e4537e40faef14114cdc179139e5328bebb8676", kill_on_drop: false }`
[INFO] [stderr]     Checking mint-template-engine v1.2.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "382b181b2d08af49d72beb881e4537e40faef14114cdc179139e5328bebb8676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382b181b2d08af49d72beb881e4537e40faef14114cdc179139e5328bebb8676", kill_on_drop: false }`
[INFO] [stdout] 382b181b2d08af49d72beb881e4537e40faef14114cdc179139e5328bebb8676