[INFO] cloning repository https://github.com/nul-reference/redis_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nul-reference/redis_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnul-reference%2Fredis_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnul-reference%2Fredis_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35110f6ec7cb1d7beaceab3b3d78193ee6cfed16
[INFO] checking nul-reference/redis_test against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnul-reference%2Fredis_test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nul-reference/redis_test on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nul-reference/redis_test
[INFO] finished tweaking git repo https://github.com/nul-reference/redis_test
[INFO] tweaked toml for git repo https://github.com/nul-reference/redis_test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nul-reference/redis_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ec0a54e9bc6a8becc148396ab701d042ea4b11f053c20858af0843382d0837
[INFO] running `Command { std: "docker" "start" "-a" "54ec0a54e9bc6a8becc148396ab701d042ea4b11f053c20858af0843382d0837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ec0a54e9bc6a8becc148396ab701d042ea4b11f053c20858af0843382d0837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ec0a54e9bc6a8becc148396ab701d042ea4b11f053c20858af0843382d0837", kill_on_drop: false }`
[INFO] [stdout] 54ec0a54e9bc6a8becc148396ab701d042ea4b11f053c20858af0843382d0837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce5143d4937589bd07f27eb83159044e75131ac97f2363cde95a7e409e144395
[INFO] running `Command { std: "docker" "start" "-a" "ce5143d4937589bd07f27eb83159044e75131ac97f2363cde95a7e409e144395", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking redis v0.22.3
[INFO] [stderr]     Checking redis_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "ce5143d4937589bd07f27eb83159044e75131ac97f2363cde95a7e409e144395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5143d4937589bd07f27eb83159044e75131ac97f2363cde95a7e409e144395", kill_on_drop: false }`
[INFO] [stdout] ce5143d4937589bd07f27eb83159044e75131ac97f2363cde95a7e409e144395