[INFO] cloning repository https://github.com/NOBLES5E/cproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NOBLES5E/cproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOBLES5E%2Fcproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOBLES5E%2Fcproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fc5bd0e50fd6b2ccdfcd8c858ce34803dcdf33c
[INFO] checking NOBLES5E/cproxy against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOBLES5E%2Fcproxy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NOBLES5E/cproxy
[INFO] finished tweaking git repo https://github.com/NOBLES5E/cproxy
[INFO] tweaked toml for git repo https://github.com/NOBLES5E/cproxy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NOBLES5E/cproxy on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NOBLES5E/cproxy 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35256428c0343ada1b70c61400f159a68a4f0f87fffeeaf4653111c4a790e77
[INFO] running `Command { std: "docker" "start" "-a" "b35256428c0343ada1b70c61400f159a68a4f0f87fffeeaf4653111c4a790e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35256428c0343ada1b70c61400f159a68a4f0f87fffeeaf4653111c4a790e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35256428c0343ada1b70c61400f159a68a4f0f87fffeeaf4653111c4a790e77", kill_on_drop: false }`
[INFO] [stdout] b35256428c0343ada1b70c61400f159a68a4f0f87fffeeaf4653111c4a790e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f6d58d64ffcfd8ddd2f86448619451755050d0b851671770ca0a519bcf7127
[INFO] running `Command { std: "docker" "start" "-a" "19f6d58d64ffcfd8ddd2f86448619451755050d0b851671770ca0a519bcf7127", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking faccess v0.2.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking with_drop v0.0.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling cmd_lib_macros v1.9.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking cmd_lib v1.9.5
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking cproxy v4.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Proxy mode can be `trace` (use iptables TRACE target to debug program network), `tproxy`, or `redirect`.
[INFO] [stdout] 26 | |     #[structopt(long, default_value = "redirect")]
[INFO] [stdout] 27 | |     mode: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Override dns server address. This option only works with tproxy mode
[INFO] [stdout] 30 | |     #[structopt(long)]
[INFO] [stdout] 31 | |     override_dns: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Proxy specific cgroup paths, can be specified multiple times)
[INFO] [stdout] 38 | |     #[structopt(long)]
[INFO] [stdout] 39 | |     cgroup_path: Vec<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cproxy` (bin "cproxy") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Proxy mode can be `trace` (use iptables TRACE target to debug program network), `tproxy`, or `redirect`.
[INFO] [stdout] 26 | |     #[structopt(long, default_value = "redirect")]
[INFO] [stdout] 27 | |     mode: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Override dns server address. This option only works with tproxy mode
[INFO] [stdout] 30 | |     #[structopt(long)]
[INFO] [stdout] 31 | |     override_dns: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Proxy specific cgroup paths, can be specified multiple times)
[INFO] [stdout] 38 | |     #[structopt(long)]
[INFO] [stdout] 39 | |     cgroup_path: Vec<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cproxy` (bin "cproxy" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "19f6d58d64ffcfd8ddd2f86448619451755050d0b851671770ca0a519bcf7127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f6d58d64ffcfd8ddd2f86448619451755050d0b851671770ca0a519bcf7127", kill_on_drop: false }`
[INFO] [stdout] 19f6d58d64ffcfd8ddd2f86448619451755050d0b851671770ca0a519bcf7127