[INFO] fetching crate git-credential-null 1.0.1...
[INFO] checking git-credential-null-1.0.1 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate git-credential-null 1.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate git-credential-null 1.0.1 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-credential-null 1.0.1
[INFO] finished tweaking crates.io crate git-credential-null 1.0.1
[INFO] tweaked toml for crates.io crate git-credential-null 1.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate git-credential-null 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.6.2
[INFO] [stderr]   Downloaded ascii v0.8.7
[INFO] [stderr]   Downloaded getrandom v0.1.11
[INFO] [stderr]   Downloaded chunked_transfer v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 52f647cf5f8ca7530d9f0c792f7b230191cae22d4b42557adf33081c3815b609
[INFO] running `Command { std: "docker" "start" "-a" "52f647cf5f8ca7530d9f0c792f7b230191cae22d4b42557adf33081c3815b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f647cf5f8ca7530d9f0c792f7b230191cae22d4b42557adf33081c3815b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f647cf5f8ca7530d9f0c792f7b230191cae22d4b42557adf33081c3815b609", kill_on_drop: false }`
[INFO] [stdout] 52f647cf5f8ca7530d9f0c792f7b230191cae22d4b42557adf33081c3815b609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] fe8f7c4ca8ae440c985940bf17a9331c0fedbc04d4c33b9c421160fd6a2f698a
[INFO] running `Command { std: "docker" "start" "-a" "fe8f7c4ca8ae440c985940bf17a9331c0fedbc04d4c33b9c421160fd6a2f698a", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking git-credential-null v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `Command { std: "docker" "inspect" "fe8f7c4ca8ae440c985940bf17a9331c0fedbc04d4c33b9c421160fd6a2f698a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8f7c4ca8ae440c985940bf17a9331c0fedbc04d4c33b9c421160fd6a2f698a", kill_on_drop: false }`
[INFO] [stdout] fe8f7c4ca8ae440c985940bf17a9331c0fedbc04d4c33b9c421160fd6a2f698a