[INFO] cloning repository https://github.com/JacobPuff/FiddlingWithSoftPot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacobPuff/FiddlingWithSoftPot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobPuff%2FFiddlingWithSoftPot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobPuff%2FFiddlingWithSoftPot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f027e735030df84d48b44809f718afbc91d5a8aa
[INFO] checking JacobPuff/FiddlingWithSoftPot against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobPuff%2FFiddlingWithSoftPot" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacobPuff/FiddlingWithSoftPot on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JacobPuff/FiddlingWithSoftPot
[INFO] finished tweaking git repo https://github.com/JacobPuff/FiddlingWithSoftPot
[INFO] tweaked toml for git repo https://github.com/JacobPuff/FiddlingWithSoftPot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JacobPuff/FiddlingWithSoftPot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", 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] d1ae621dfdb19c2cea46ee6df9bdacf6de8baa8c8f43ef482a0bb1bf0d5dd338
[INFO] running `Command { std: "docker" "start" "-a" "d1ae621dfdb19c2cea46ee6df9bdacf6de8baa8c8f43ef482a0bb1bf0d5dd338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ae621dfdb19c2cea46ee6df9bdacf6de8baa8c8f43ef482a0bb1bf0d5dd338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ae621dfdb19c2cea46ee6df9bdacf6de8baa8c8f43ef482a0bb1bf0d5dd338", kill_on_drop: false }`
[INFO] [stdout] d1ae621dfdb19c2cea46ee6df9bdacf6de8baa8c8f43ef482a0bb1bf0d5dd338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a8f72e235317065e8df82f0eb7a80d56221fa8f4ebf2ef37fc69c1fc7dc994
[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" "35a8f72e235317065e8df82f0eb7a80d56221fa8f4ebf2ef37fc69c1fc7dc994", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking soft-pot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "35a8f72e235317065e8df82f0eb7a80d56221fa8f4ebf2ef37fc69c1fc7dc994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a8f72e235317065e8df82f0eb7a80d56221fa8f4ebf2ef37fc69c1fc7dc994", kill_on_drop: false }`
[INFO] [stdout] 35a8f72e235317065e8df82f0eb7a80d56221fa8f4ebf2ef37fc69c1fc7dc994