[INFO] cloning repository https://github.com/linguohua/lproxy-cv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linguohua/lproxy-cv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinguohua%2Flproxy-cv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinguohua%2Flproxy-cv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d18b6baf0fa9397cb19b3385790b62a7c1d2b7d3
[INFO] checking linguohua/lproxy-cv against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinguohua%2Flproxy-cv" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linguohua/lproxy-cv on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/linguohua/lproxy-cv
[INFO] finished tweaking git repo https://github.com/linguohua/lproxy-cv
[INFO] tweaked toml for git repo https://github.com/linguohua/lproxy-cv written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/linguohua/lproxy-cv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5619014fc3163725616b0213bce3a93d10d93bd6ab84d7646c25d66157066ce7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5619014fc3163725616b0213bce3a93d10d93bd6ab84d7646c25d66157066ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5619014fc3163725616b0213bce3a93d10d93bd6ab84d7646c25d66157066ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5619014fc3163725616b0213bce3a93d10d93bd6ab84d7646c25d66157066ce7", kill_on_drop: false }`
[INFO] [stdout] 5619014fc3163725616b0213bce3a93d10d93bd6ab84d7646c25d66157066ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9c44e0a186731361eea7541aa0592fbfab104512c7e18764470e05ea35ac99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a9c44e0a186731361eea7541aa0592fbfab104512c7e18764470e05ea35ac99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling native-tls v0.2.4 (https://github.com/linguohua/rust-native-tls#1b9f5544)
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling mac_address v1.0.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking byte v0.2.4
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling lproxy-cv v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking os_socketaddr v0.1.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking stream-cancel v0.5.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/dns/forwarder.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `listener_trigger`
[INFO] [stdout]   --> src/requests/server.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     listener_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `monitor_trigger`
[INFO] [stdout]   --> src/service/service.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     monitor_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instruction_trigger`
[INFO] [stdout]   --> src/service/service.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     instruction_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/tunnels/tunmgr.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx`
[INFO] [stdout]   --> src/udpx/udpserv.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     tx: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tigger`
[INFO] [stdout]   --> src/udpx/ustub.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/xport/xtunnel.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/dns/forwarder.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `listener_trigger`
[INFO] [stdout]   --> src/requests/server.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     listener_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `monitor_trigger`
[INFO] [stdout]   --> src/service/service.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     monitor_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instruction_trigger`
[INFO] [stdout]   --> src/service/service.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     instruction_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/tunnels/tunmgr.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx`
[INFO] [stdout]   --> src/udpx/udpserv.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     tx: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tigger`
[INFO] [stdout]   --> src/udpx/ustub.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keepalive_trigger`
[INFO] [stdout]   --> src/xport/xtunnel.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     keepalive_trigger: Option<Trigger>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "9a9c44e0a186731361eea7541aa0592fbfab104512c7e18764470e05ea35ac99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9c44e0a186731361eea7541aa0592fbfab104512c7e18764470e05ea35ac99", kill_on_drop: false }`
[INFO] [stdout] 9a9c44e0a186731361eea7541aa0592fbfab104512c7e18764470e05ea35ac99