[INFO] cloning repository https://github.com/Aldarone/vieille_anar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aldarone/vieille_anar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldarone%2Fvieille_anar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldarone%2Fvieille_anar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33c61662121b19970e6972f623b1ce15c82f2330
[INFO] checking Aldarone/vieille_anar against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldarone%2Fvieille_anar" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aldarone/vieille_anar on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aldarone/vieille_anar
[INFO] finished tweaking git repo https://github.com/Aldarone/vieille_anar
[INFO] tweaked toml for git repo https://github.com/Aldarone/vieille_anar written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Aldarone/vieille_anar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded tini v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded directories v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fbd5be1492640a6aeb74ca62b816a491dd5ceaee155e6f35de7942870a14cf1
[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" "2fbd5be1492640a6aeb74ca62b816a491dd5ceaee155e6f35de7942870a14cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbd5be1492640a6aeb74ca62b816a491dd5ceaee155e6f35de7942870a14cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbd5be1492640a6aeb74ca62b816a491dd5ceaee155e6f35de7942870a14cf1", kill_on_drop: false }`
[INFO] [stdout] 2fbd5be1492640a6aeb74ca62b816a491dd5ceaee155e6f35de7942870a14cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766341ceab010cafb534d0fc76b67e94b3b36bd7727f19f3fb3ac88690f4da15
[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" "766341ceab010cafb534d0fc76b67e94b3b36bd7727f19f3fb3ac88690f4da15", kill_on_drop: false }`
[INFO] [stderr]     Checking tini v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking directories v2.0.1
[INFO] [stderr]     Checking vieille_anar v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Config {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn new(instance: String, api_key: String, api_secret: String) -> Result<Config, String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_config`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_config() -> Result<Config, String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_config_file`
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn create_config_file(config_file: &Path) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Config {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn new(instance: String, api_key: String, api_secret: String) -> Result<Config, String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_config`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_config() -> Result<Config, String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_config_file`
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn create_config_file(config_file: &Path) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "766341ceab010cafb534d0fc76b67e94b3b36bd7727f19f3fb3ac88690f4da15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766341ceab010cafb534d0fc76b67e94b3b36bd7727f19f3fb3ac88690f4da15", kill_on_drop: false }`
[INFO] [stdout] 766341ceab010cafb534d0fc76b67e94b3b36bd7727f19f3fb3ac88690f4da15