[INFO] updating cached repository https://github.com/izzabelle/cistern2
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7990f31ac68294c0cc08b82223113baa3e448dd0
[INFO] checking izzabelle/cistern2 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizzabelle%2Fcistern2" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izzabelle/cistern2 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/izzabelle/cistern2
[INFO] finished tweaking git repo https://github.com/izzabelle/cistern2
[INFO] tweaked toml for git repo https://github.com/izzabelle/cistern2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/izzabelle/cistern2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8301109e90c7b3d1403d5c150f003319e579adc3b190f1e3871c105d3302944
[INFO] running `"docker" "start" "-a" "b8301109e90c7b3d1403d5c150f003319e579adc3b190f1e3871c105d3302944"`
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-rustls v0.19.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking serenity v0.8.0
[INFO] [stderr]     Checking cistern_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "b8301109e90c7b3d1403d5c150f003319e579adc3b190f1e3871c105d3302944"`
[INFO] running `"docker" "rm" "-f" "b8301109e90c7b3d1403d5c150f003319e579adc3b190f1e3871c105d3302944"`
[INFO] [stdout] b8301109e90c7b3d1403d5c150f003319e579adc3b190f1e3871c105d3302944