[INFO] cloning repository https://github.com/tobz/tokio-fanout-tcp-client-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobz/tokio-fanout-tcp-client-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobz%2Ftokio-fanout-tcp-client-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobz%2Ftokio-fanout-tcp-client-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05550cfde3cc571f0ad1cbe0ed23138a4472d9ff
[INFO] checking tobz/tokio-fanout-tcp-client-example against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobz%2Ftokio-fanout-tcp-client-example" "/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/tobz/tokio-fanout-tcp-client-example on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tobz/tokio-fanout-tcp-client-example
[INFO] finished tweaking git repo https://github.com/tobz/tokio-fanout-tcp-client-example
[INFO] tweaked toml for git repo https://github.com/tobz/tokio-fanout-tcp-client-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tobz/tokio-fanout-tcp-client-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58c4ea3b0b8971a03170403572850838cb1849d4570d1c5eb24e887fff453394
[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" "58c4ea3b0b8971a03170403572850838cb1849d4570d1c5eb24e887fff453394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58c4ea3b0b8971a03170403572850838cb1849d4570d1c5eb24e887fff453394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c4ea3b0b8971a03170403572850838cb1849d4570d1c5eb24e887fff453394", kill_on_drop: false }`
[INFO] [stdout] 58c4ea3b0b8971a03170403572850838cb1849d4570d1c5eb24e887fff453394
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] d7e900f3fbc298972ee9c1b1eaf167653b61866bbcd4523e56f22e07e6945c9c
[INFO] running `Command { std: "docker" "start" "-a" "d7e900f3fbc298972ee9c1b1eaf167653b61866bbcd4523e56f22e07e6945c9c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking tokio-fanout-tcp-client-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "d7e900f3fbc298972ee9c1b1eaf167653b61866bbcd4523e56f22e07e6945c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e900f3fbc298972ee9c1b1eaf167653b61866bbcd4523e56f22e07e6945c9c", kill_on_drop: false }`
[INFO] [stdout] d7e900f3fbc298972ee9c1b1eaf167653b61866bbcd4523e56f22e07e6945c9c