[INFO] cloning repository https://github.com/ne0ndrag0n/Ringtail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ne0ndrag0n/Ringtail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fne0ndrag0n%2FRingtail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fne0ndrag0n%2FRingtail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a273a632eac9cc2d14657f2f9b30419edb4aa77e
[INFO] testing ne0ndrag0n/Ringtail against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fne0ndrag0n%2FRingtail" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ne0ndrag0n/Ringtail on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ne0ndrag0n/Ringtail
[INFO] finished tweaking git repo https://github.com/ne0ndrag0n/Ringtail
[INFO] tweaked toml for git repo https://github.com/ne0ndrag0n/Ringtail written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ne0ndrag0n/Ringtail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be3506927163a242d9790f27b4ff855481428167a6adada22b64fd2a0a4878b0
[INFO] running `Command { std: "docker" "start" "-a" "be3506927163a242d9790f27b4ff855481428167a6adada22b64fd2a0a4878b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3506927163a242d9790f27b4ff855481428167a6adada22b64fd2a0a4878b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3506927163a242d9790f27b4ff855481428167a6adada22b64fd2a0a4878b0", kill_on_drop: false }`
[INFO] [stdout] be3506927163a242d9790f27b4ff855481428167a6adada22b64fd2a0a4878b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3fc525e3f75a18fafaac64edee7a88cd4db9909fb89c5790068674c51942311
[INFO] running `Command { std: "docker" "start" "-a" "a3fc525e3f75a18fafaac64edee7a88cd4db9909fb89c5790068674c51942311", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringtail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a3fc525e3f75a18fafaac64edee7a88cd4db9909fb89c5790068674c51942311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fc525e3f75a18fafaac64edee7a88cd4db9909fb89c5790068674c51942311", kill_on_drop: false }`
[INFO] [stdout] a3fc525e3f75a18fafaac64edee7a88cd4db9909fb89c5790068674c51942311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6650c89adcbabaa7401794a9545f7736b29e8b54ba637e18c4712d45e94443ff
[INFO] running `Command { std: "docker" "start" "-a" "6650c89adcbabaa7401794a9545f7736b29e8b54ba637e18c4712d45e94443ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringtail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6650c89adcbabaa7401794a9545f7736b29e8b54ba637e18c4712d45e94443ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6650c89adcbabaa7401794a9545f7736b29e8b54ba637e18c4712d45e94443ff", kill_on_drop: false }`
[INFO] [stdout] 6650c89adcbabaa7401794a9545f7736b29e8b54ba637e18c4712d45e94443ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79e3d39a884528928310d7358313f36ee382d6ea6fcc2c15d4ec1fc76a63d00d
[INFO] running `Command { std: "docker" "start" "-a" "79e3d39a884528928310d7358313f36ee382d6ea6fcc2c15d4ec1fc76a63d00d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ringtail-d84a114bfade50f0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79e3d39a884528928310d7358313f36ee382d6ea6fcc2c15d4ec1fc76a63d00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e3d39a884528928310d7358313f36ee382d6ea6fcc2c15d4ec1fc76a63d00d", kill_on_drop: false }`
[INFO] [stdout] 79e3d39a884528928310d7358313f36ee382d6ea6fcc2c15d4ec1fc76a63d00d