[INFO] cloning repository https://github.com/GustavoKatel/rust-echo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GustavoKatel/rust-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustavoKatel%2Frust-echo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustavoKatel%2Frust-echo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6391a5c07d99f309265032e234457f5f1942d086
[INFO] checking GustavoKatel/rust-echo-server against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustavoKatel%2Frust-echo-server" "/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/GustavoKatel/rust-echo-server on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GustavoKatel/rust-echo-server
[INFO] finished tweaking git repo https://github.com/GustavoKatel/rust-echo-server
[INFO] tweaked toml for git repo https://github.com/GustavoKatel/rust-echo-server written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/GustavoKatel/rust-echo-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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] e842fcbf748521355735d2d074661fc486f2c1d267da31e93e47fb9e5250115e
[INFO] running `Command { std: "docker" "start" "-a" "e842fcbf748521355735d2d074661fc486f2c1d267da31e93e47fb9e5250115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e842fcbf748521355735d2d074661fc486f2c1d267da31e93e47fb9e5250115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e842fcbf748521355735d2d074661fc486f2c1d267da31e93e47fb9e5250115e", kill_on_drop: false }`
[INFO] [stdout] e842fcbf748521355735d2d074661fc486f2c1d267da31e93e47fb9e5250115e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a4665a82eda2ebf810c40f46df77d57dcd5900d58acdb1741f762ba48e94809
[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" "5a4665a82eda2ebf810c40f46df77d57dcd5900d58acdb1741f762ba48e94809", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking rust-echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "5a4665a82eda2ebf810c40f46df77d57dcd5900d58acdb1741f762ba48e94809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4665a82eda2ebf810c40f46df77d57dcd5900d58acdb1741f762ba48e94809", kill_on_drop: false }`
[INFO] [stdout] 5a4665a82eda2ebf810c40f46df77d57dcd5900d58acdb1741f762ba48e94809