[INFO] fetching crate cargo-llvm-cov 0.1.0-alpha.3...
[INFO] checking cargo-llvm-cov-0.1.0-alpha.3 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate cargo-llvm-cov 0.1.0-alpha.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-llvm-cov 0.1.0-alpha.3 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-llvm-cov 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate cargo-llvm-cov 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate cargo-llvm-cov 0.1.0-alpha.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-llvm-cov 0.1.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766bbbc781343913754bf9e176aa4842519a5ef27653c537b13e50b03395e7c1
[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" "766bbbc781343913754bf9e176aa4842519a5ef27653c537b13e50b03395e7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766bbbc781343913754bf9e176aa4842519a5ef27653c537b13e50b03395e7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766bbbc781343913754bf9e176aa4842519a5ef27653c537b13e50b03395e7c1", kill_on_drop: false }`
[INFO] [stdout] 766bbbc781343913754bf9e176aa4842519a5ef27653c537b13e50b03395e7c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] 6108e6b9c72f092f6aa5b2b1a19dbc5339a320ea55974ebf480e28e35b18beb8
[INFO] running `Command { std: "docker" "start" "-a" "6108e6b9c72f092f6aa5b2b1a19dbc5339a320ea55974ebf480e28e35b18beb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking duct v0.13.5
[INFO] [stderr]     Checking open v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking camino v1.0.4
[INFO] [stderr]     Checking cargo_metadata v0.13.1
[INFO] [stderr]     Checking cargo-llvm-cov v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.75s
[INFO] running `Command { std: "docker" "inspect" "6108e6b9c72f092f6aa5b2b1a19dbc5339a320ea55974ebf480e28e35b18beb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6108e6b9c72f092f6aa5b2b1a19dbc5339a320ea55974ebf480e28e35b18beb8", kill_on_drop: false }`
[INFO] [stdout] 6108e6b9c72f092f6aa5b2b1a19dbc5339a320ea55974ebf480e28e35b18beb8