[INFO] cloning repository https://github.com/mnit-rtmc/mere
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnit-rtmc/mere" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0efa1a8c6584c978e885ead6f78ac0eb57b8c30
[INFO] checking mnit-rtmc/mere against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mnit-rtmc/mere 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/mnit-rtmc/mere
[INFO] finished tweaking git repo https://github.com/mnit-rtmc/mere
[INFO] tweaked toml for git repo https://github.com/mnit-rtmc/mere written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mnit-rtmc/mere 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 whoami v0.5.3
[INFO] [stderr]   Downloaded libssh2-sys v0.2.12
[INFO] [stderr]   Downloaded ssh2 v0.4.0
[INFO] [stderr]   Downloaded openssl-src v111.6.0+1.1.1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4f27e147eded39895bec92f094057ca48064ae979b6e9fcf8001750eefa9c20
[INFO] running `Command { std: "docker" "start" "-a" "e4f27e147eded39895bec92f094057ca48064ae979b6e9fcf8001750eefa9c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f27e147eded39895bec92f094057ca48064ae979b6e9fcf8001750eefa9c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f27e147eded39895bec92f094057ca48064ae979b6e9fcf8001750eefa9c20", kill_on_drop: false }`
[INFO] [stdout] e4f27e147eded39895bec92f094057ca48064ae979b6e9fcf8001750eefa9c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7d34d12cf29259043f7fff5ee17009e20b890d9db3029b02acedbb875c8975bd
[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" "7d34d12cf29259043f7fff5ee17009e20b890d9db3029b02acedbb875c8975bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking whoami v0.5.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling openssl-src v111.6.0+1.1.1d
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking ssh2 v0.4.0
[INFO] [stderr]     Checking mere v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `Command { std: "docker" "inspect" "7d34d12cf29259043f7fff5ee17009e20b890d9db3029b02acedbb875c8975bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d34d12cf29259043f7fff5ee17009e20b890d9db3029b02acedbb875c8975bd", kill_on_drop: false }`
[INFO] [stdout] 7d34d12cf29259043f7fff5ee17009e20b890d9db3029b02acedbb875c8975bd