[INFO] updating cached repository https://github.com/arzg/rschat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 981dc81d091e9665acffd480a294c0bd7440a19f
[INFO] checking arzg/rschat against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Frschat" "/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/arzg/rschat on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzg/rschat
[INFO] finished tweaking git repo https://github.com/arzg/rschat
[INFO] tweaked toml for git repo https://github.com/arzg/rschat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/rschat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e74423d89156442c6b00967ec13eec7841fecd88e02b1a6c9e7049b52480d59
[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" "7e74423d89156442c6b00967ec13eec7841fecd88e02b1a6c9e7049b52480d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e74423d89156442c6b00967ec13eec7841fecd88e02b1a6c9e7049b52480d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e74423d89156442c6b00967ec13eec7841fecd88e02b1a6c9e7049b52480d59", kill_on_drop: false }`
[INFO] [stdout] 7e74423d89156442c6b00967ec13eec7841fecd88e02b1a6c9e7049b52480d59
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] 388802fef8e2a6b0187cf4e737d4f5e024aef10a03194083162733e58e1b7ae4
[INFO] running `Command { std: "docker" "start" "-a" "388802fef8e2a6b0187cf4e737d4f5e024aef10a03194083162733e58e1b7ae4", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.0.1
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]     Checking rschat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "388802fef8e2a6b0187cf4e737d4f5e024aef10a03194083162733e58e1b7ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388802fef8e2a6b0187cf4e737d4f5e024aef10a03194083162733e58e1b7ae4", kill_on_drop: false }`
[INFO] [stdout] 388802fef8e2a6b0187cf4e737d4f5e024aef10a03194083162733e58e1b7ae4