[INFO] cloning repository https://github.com/mosbasik/fluidspaces-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosbasik/fluidspaces-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2Ffluidspaces-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2Ffluidspaces-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9b9ac5923d2014d8cec6703f2b73001037782c9
[INFO] checking mosbasik/fluidspaces-rs against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2Ffluidspaces-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mosbasik/fluidspaces-rs on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mosbasik/fluidspaces-rs
[INFO] finished tweaking git repo https://github.com/mosbasik/fluidspaces-rs
[INFO] tweaked toml for git repo https://github.com/mosbasik/fluidspaces-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mosbasik/fluidspaces-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded i3ipc v0.8.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded serde_json v1.0.8
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded serde v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57dcb3b8c7cdce1ec09eff4e14cff9b847897e43eae2462e100270f45bc6df95
[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" "57dcb3b8c7cdce1ec09eff4e14cff9b847897e43eae2462e100270f45bc6df95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57dcb3b8c7cdce1ec09eff4e14cff9b847897e43eae2462e100270f45bc6df95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57dcb3b8c7cdce1ec09eff4e14cff9b847897e43eae2462e100270f45bc6df95", kill_on_drop: false }`
[INFO] [stdout] 57dcb3b8c7cdce1ec09eff4e14cff9b847897e43eae2462e100270f45bc6df95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df4029b153825486626b190629d3a528abd50d533987cf3f65cad9636cda06a6
[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" "df4029b153825486626b190629d3a528abd50d533987cf3f65cad9636cda06a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking i3ipc v0.8.2
[INFO] [stderr]     Checking fluidspaces v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `Command { std: "docker" "inspect" "df4029b153825486626b190629d3a528abd50d533987cf3f65cad9636cda06a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4029b153825486626b190629d3a528abd50d533987cf3f65cad9636cda06a6", kill_on_drop: false }`
[INFO] [stdout] df4029b153825486626b190629d3a528abd50d533987cf3f65cad9636cda06a6