[INFO] fetching crate alto_logger 0.3.7...
[INFO] checking alto_logger-0.3.7 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate alto_logger 0.3.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alto_logger 0.3.7 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alto_logger 0.3.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alto_logger 0.3.7
[INFO] tweaked toml for crates.io crate alto_logger 0.3.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate alto_logger 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 309932549e9ac0a1eae1160ccb328883ab080d8a18489cd2c08da717f71b1efd
[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" "309932549e9ac0a1eae1160ccb328883ab080d8a18489cd2c08da717f71b1efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "309932549e9ac0a1eae1160ccb328883ab080d8a18489cd2c08da717f71b1efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309932549e9ac0a1eae1160ccb328883ab080d8a18489cd2c08da717f71b1efd", kill_on_drop: false }`
[INFO] [stdout] 309932549e9ac0a1eae1160ccb328883ab080d8a18489cd2c08da717f71b1efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c9c9657eec334a8e46d3b29dc8de7834bcc1e72ec93ead374f561b53bfcd2ce
[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" "0c9c9657eec334a8e46d3b29dc8de7834bcc1e72ec93ead374f561b53bfcd2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking alto_logger v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "0c9c9657eec334a8e46d3b29dc8de7834bcc1e72ec93ead374f561b53bfcd2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9c9657eec334a8e46d3b29dc8de7834bcc1e72ec93ead374f561b53bfcd2ce", kill_on_drop: false }`
[INFO] [stdout] 0c9c9657eec334a8e46d3b29dc8de7834bcc1e72ec93ead374f561b53bfcd2ce