[INFO] cloning repository https://github.com/D4-project/d4-rustclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/D4-project/d4-rustclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD4-project%2Fd4-rustclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD4-project%2Fd4-rustclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de51ed524e30fa57b34def8d0822571aa092087c
[INFO] checking D4-project/d4-rustclient against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD4-project%2Fd4-rustclient" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/D4-project/d4-rustclient on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/D4-project/d4-rustclient
[INFO] finished tweaking git repo https://github.com/D4-project/d4-rustclient
[INFO] tweaked toml for git repo https://github.com/D4-project/d4-rustclient written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/D4-project/d4-rustclient already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-mac v0.11.0
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 2fe68f240a366501fbaff9dbe7d0b54245abc8e5d7431eedc65b55c5671ff46f
[INFO] running `Command { std: "docker" "start" "-a" "2fe68f240a366501fbaff9dbe7d0b54245abc8e5d7431eedc65b55c5671ff46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe68f240a366501fbaff9dbe7d0b54245abc8e5d7431eedc65b55c5671ff46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe68f240a366501fbaff9dbe7d0b54245abc8e5d7431eedc65b55c5671ff46f", kill_on_drop: false }`
[INFO] [stdout] 2fe68f240a366501fbaff9dbe7d0b54245abc8e5d7431eedc65b55c5671ff46f
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] b39d52a26b9d2f7a43d50de8d8dbcc60ef42d263029a765987277974f7776355
[INFO] running `Command { std: "docker" "start" "-a" "b39d52a26b9d2f7a43d50de8d8dbcc60ef42d263029a765987277974f7776355", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking d4-rustclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.00s
[INFO] running `Command { std: "docker" "inspect" "b39d52a26b9d2f7a43d50de8d8dbcc60ef42d263029a765987277974f7776355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39d52a26b9d2f7a43d50de8d8dbcc60ef42d263029a765987277974f7776355", kill_on_drop: false }`
[INFO] [stdout] b39d52a26b9d2f7a43d50de8d8dbcc60ef42d263029a765987277974f7776355