[INFO] cloning repository https://github.com/dbeckwith/rust-latest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbeckwith/rust-latest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeckwith%2Frust-latest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeckwith%2Frust-latest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7f6ba5859f9371c846d9906ac944b9be5e5b69b
[INFO] checking dbeckwith/rust-latest against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeckwith%2Frust-latest" "/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/dbeckwith/rust-latest on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbeckwith/rust-latest
[INFO] finished tweaking git repo https://github.com/dbeckwith/rust-latest
[INFO] tweaked toml for git repo https://github.com/dbeckwith/rust-latest written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dbeckwith/rust-latest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] c3bf8f22eb8dabd1371554cac0178b3f0814d1f0f919d091c652e3b23497c812
[INFO] running `Command { std: "docker" "start" "-a" "c3bf8f22eb8dabd1371554cac0178b3f0814d1f0f919d091c652e3b23497c812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3bf8f22eb8dabd1371554cac0178b3f0814d1f0f919d091c652e3b23497c812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bf8f22eb8dabd1371554cac0178b3f0814d1f0f919d091c652e3b23497c812", kill_on_drop: false }`
[INFO] [stdout] c3bf8f22eb8dabd1371554cac0178b3f0814d1f0f919d091c652e3b23497c812
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] b252d5c057a1f7b67448fb8cba7560e54fee9aef58e08ab4865b39d1eaa16e3c
[INFO] running `Command { std: "docker" "start" "-a" "b252d5c057a1f7b67448fb8cba7560e54fee9aef58e08ab4865b39d1eaa16e3c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling rust-latest v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking openssl v0.10.29
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.2.17
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "b252d5c057a1f7b67448fb8cba7560e54fee9aef58e08ab4865b39d1eaa16e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b252d5c057a1f7b67448fb8cba7560e54fee9aef58e08ab4865b39d1eaa16e3c", kill_on_drop: false }`
[INFO] [stdout] b252d5c057a1f7b67448fb8cba7560e54fee9aef58e08ab4865b39d1eaa16e3c