[INFO] fetching crate cproxy 4.2.1...
[INFO] checking cproxy-4.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cproxy 4.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cproxy 4.2.1
[INFO] finished tweaking crates.io crate cproxy 4.2.1
[INFO] tweaked toml for crates.io crate cproxy 4.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cproxy 4.2.1 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 crates.io crate cproxy 4.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 795e08179b34889c9e9ae57813d88288d48f7b097c36726bf7141de79fd10164
[INFO] running `Command { std: "docker" "start" "-a" "795e08179b34889c9e9ae57813d88288d48f7b097c36726bf7141de79fd10164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795e08179b34889c9e9ae57813d88288d48f7b097c36726bf7141de79fd10164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795e08179b34889c9e9ae57813d88288d48f7b097c36726bf7141de79fd10164", kill_on_drop: false }`
[INFO] [stdout] 795e08179b34889c9e9ae57813d88288d48f7b097c36726bf7141de79fd10164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9ad971248bb9ffb4866dfdd37f84fcf34239f56b20426456bdcbe9b7c6ba8397
[INFO] running `Command { std: "docker" "start" "-a" "9ad971248bb9ffb4866dfdd37f84fcf34239f56b20426456bdcbe9b7c6ba8397", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking faccess v0.2.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking with_drop v0.0.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling cmd_lib_macros v1.9.4
[INFO] [stderr]     Checking cmd_lib v1.9.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[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 v4.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Proxy mode can be `trace` (use iptables TRACE target to debug program network), `tproxy`, or `redirect`.
[INFO] [stdout] 23 | |     #[structopt(long, default_value = "redirect")]
[INFO] [stdout] 24 | |     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:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Override dns server address. This option only works with tproxy mode
[INFO] [stdout] 26 | |     #[structopt(long)]
[INFO] [stdout] 27 | |     override_dns: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cproxy` (bin "cproxy") due to 2 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:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Proxy mode can be `trace` (use iptables TRACE target to debug program network), `tproxy`, or `redirect`.
[INFO] [stdout] 23 | |     #[structopt(long, default_value = "redirect")]
[INFO] [stdout] 24 | |     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:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Override dns server address. This option only works with tproxy mode
[INFO] [stdout] 26 | |     #[structopt(long)]
[INFO] [stdout] 27 | |     override_dns: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cproxy` (bin "cproxy" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9ad971248bb9ffb4866dfdd37f84fcf34239f56b20426456bdcbe9b7c6ba8397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad971248bb9ffb4866dfdd37f84fcf34239f56b20426456bdcbe9b7c6ba8397", kill_on_drop: false }`
[INFO] [stdout] 9ad971248bb9ffb4866dfdd37f84fcf34239f56b20426456bdcbe9b7c6ba8397