[INFO] cloning repository https://github.com/josephDunne/ring_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josephDunne/ring_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjosephDunne%2Fring_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjosephDunne%2Fring_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea31a5bba1bbd8f37aaece5cbb3a0ba6ad242f62
[INFO] checking josephDunne/ring_test against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjosephDunne%2Fring_test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josephDunne/ring_test on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/josephDunne/ring_test
[INFO] finished tweaking git repo https://github.com/josephDunne/ring_test
[INFO] tweaked toml for git repo https://github.com/josephDunne/ring_test written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/josephDunne/ring_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/futures-rs`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-core.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09568fe25ae72055274f33aafb7fb56ac7e54ef4ebed9efb707822e5eee2e008
[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" "09568fe25ae72055274f33aafb7fb56ac7e54ef4ebed9efb707822e5eee2e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09568fe25ae72055274f33aafb7fb56ac7e54ef4ebed9efb707822e5eee2e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09568fe25ae72055274f33aafb7fb56ac7e54ef4ebed9efb707822e5eee2e008", kill_on_drop: false }`
[INFO] [stdout] 09568fe25ae72055274f33aafb7fb56ac7e54ef4ebed9efb707822e5eee2e008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a56075aa4d5332fb61db1a8e1a2f91c72e4c747888dadbfcbf509b43e7307a
[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" "e9a56075aa4d5332fb61db1a8e1a2f91c72e4c747888dadbfcbf509b43e7307a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking futures v0.1.0 (https://github.com/alexcrichton/futures-rs#fc7483de)
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.0 (https://github.com/tokio-rs/tokio-core.git#8f92dc9d)
[INFO] [stderr]     Checking ring_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "e9a56075aa4d5332fb61db1a8e1a2f91c72e4c747888dadbfcbf509b43e7307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a56075aa4d5332fb61db1a8e1a2f91c72e4c747888dadbfcbf509b43e7307a", kill_on_drop: false }`
[INFO] [stdout] e9a56075aa4d5332fb61db1a8e1a2f91c72e4c747888dadbfcbf509b43e7307a