[INFO] cloning repository https://github.com/sjperkins/futureplay
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjperkins/futureplay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjperkins%2Ffutureplay"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjperkins%2Ffutureplay'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0709ce4bb338d3687069a3602d29a3d3e102de21
[INFO] checking sjperkins/futureplay against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjperkins%2Ffutureplay" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjperkins/futureplay on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sjperkins/futureplay
[INFO] finished tweaking git repo https://github.com/sjperkins/futureplay
[INFO] tweaked toml for git repo https://github.com/sjperkins/futureplay written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sjperkins/futureplay already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a51fddbf7fd693e36c08c538f4c668b8c78c8e44cf4d3708400cd40518cb234
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6a51fddbf7fd693e36c08c538f4c668b8c78c8e44cf4d3708400cd40518cb234"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking futures v0.1.10 (https://github.com/alexcrichton/futures-rs#c53bad27)
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking futures-cpupool v0.1.2 (https://github.com/alexcrichton/futures-rs#c53bad27)
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking futureplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `"docker" "inspect" "6a51fddbf7fd693e36c08c538f4c668b8c78c8e44cf4d3708400cd40518cb234"`
[INFO] running `"docker" "rm" "-f" "6a51fddbf7fd693e36c08c538f4c668b8c78c8e44cf4d3708400cd40518cb234"`
[INFO] [stdout] 6a51fddbf7fd693e36c08c538f4c668b8c78c8e44cf4d3708400cd40518cb234