Dec 18 04:10:09.278 INFO checking alinoeabrassart/rustgistrator against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:10:09.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/alinoeabrassart/rustgistrator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:09.495 INFO [stdout] 6875f14e3d6092ce259d52b7d122740658b36cd5530e2edce37e2dc070a0b25c
Dec 18 04:10:09.498 INFO running `"docker" "start" "-a" "6875f14e3d6092ce259d52b7d122740658b36cd5530e2edce37e2dc070a0b25c"`
Dec 18 04:10:10.111 INFO [stderr]     Checking serde v1.0.53
Dec 18 04:10:10.111 INFO [stderr]     Checking filetime v0.1.15
Dec 18 04:10:10.111 INFO [stderr]     Checking unix_socket v0.5.0
Dec 18 04:10:10.112 INFO [stderr]     Checking uuid v0.2.3
Dec 18 04:10:10.112 INFO [stderr]     Checking hyper v0.10.13
Dec 18 04:10:10.112 INFO [stderr]     Checking flate2 v0.2.20
Dec 18 04:10:10.112 INFO [stderr]    Compiling serde_derive v1.0.53
Dec 18 04:10:10.700 INFO [stderr]     Checking tar v0.3.4
Dec 18 04:10:11.172 INFO [stderr]     Checking url v0.5.10
Dec 18 04:10:17.177 INFO [stderr]     Checking hyper-openssl v0.2.7
Dec 18 04:10:17.177 INFO [stderr]     Checking hyperlocal v0.3.0
Dec 18 04:10:18.112 INFO [stderr]     Checking shiplift v0.3.2
Dec 18 04:10:31.438 INFO [stderr]     Checking serde_json v1.0.17
Dec 18 04:10:33.601 INFO [stderr]     Checking consul v0.2.0
Dec 18 04:10:35.409 INFO [stderr]     Checking rustgistrator v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:37.170 INFO [stderr] warning: value assigned to `e_t` is never read
Dec 18 04:10:37.170 INFO [stderr]   --> src/docker_iface.rs:37:13
Dec 18 04:10:37.170 INFO [stderr]    |
Dec 18 04:10:37.170 INFO [stderr] 37 |     let mut e_t = EventType::Unknown;
Dec 18 04:10:37.170 INFO [stderr]    |             ^^^
Dec 18 04:10:37.170 INFO [stderr]    |
Dec 18 04:10:37.170 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 04:10:37.170 INFO [stderr] 
Dec 18 04:10:37.170 INFO [stderr] warning: unused variable: `docker`
Dec 18 04:10:37.170 INFO [stderr]    --> src/docker_iface.rs:101:13
Dec 18 04:10:37.170 INFO [stderr]     |
Dec 18 04:10:37.170 INFO [stderr] 101 |         let docker = shiplift::Docker::new();
Dec 18 04:10:37.170 INFO [stderr]     |             ^^^^^^ help: consider using `_docker` instead
Dec 18 04:10:37.170 INFO [stderr]     |
Dec 18 04:10:37.170 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 04:10:37.170 INFO [stderr] 
Dec 18 04:10:37.224 INFO [stderr] warning: method is never used: `deregister`
Dec 18 04:10:37.224 INFO [stderr]   --> src/backend_manager.rs:27:5
Dec 18 04:10:37.224 INFO [stderr]    |
Dec 18 04:10:37.224 INFO [stderr] 27 |     pub fn deregister(&self, service:ServiceDeclaration) -> Result<Vec<()>, String> {
Dec 18 04:10:37.224 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.224 INFO [stderr]    |
Dec 18 04:10:37.224 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:10:37.224 INFO [stderr] 
Dec 18 04:10:37.492 INFO [stderr] warning: value assigned to `e_t` is never read
Dec 18 04:10:37.492 INFO [stderr]   --> src/docker_iface.rs:37:13
Dec 18 04:10:37.492 INFO [stderr]    |
Dec 18 04:10:37.492 INFO [stderr] 37 |     let mut e_t = EventType::Unknown;
Dec 18 04:10:37.492 INFO [stderr]    |             ^^^
Dec 18 04:10:37.492 INFO [stderr]    |
Dec 18 04:10:37.492 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 04:10:37.492 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: variant is never constructed: `Start`
Dec 18 04:10:37.524 INFO [stderr]   --> src/docker_iface.rs:15:5
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 15 |     Start,
Dec 18 04:10:37.524 INFO [stderr]    |     ^^^^^
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: variant is never constructed: `Stop`
Dec 18 04:10:37.524 INFO [stderr]   --> src/docker_iface.rs:16:5
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 16 |     Stop,
Dec 18 04:10:37.524 INFO [stderr]    |     ^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 18 04:10:37.524 INFO [stderr]   --> src/docker_iface.rs:17:5
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 17 |     Unknown
Dec 18 04:10:37.524 INFO [stderr]    |     ^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: function is never used: `event_to_declaration`
Dec 18 04:10:37.524 INFO [stderr]   --> src/docker_iface.rs:26:1
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 26 | fn event_to_declaration(event: &Event) -> Option<ServiceDeclaration> {
Dec 18 04:10:37.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: function is never used: `event_to_service`
Dec 18 04:10:37.524 INFO [stderr]   --> src/docker_iface.rs:36:1
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 36 | fn event_to_service(event: &Event) -> ServiceEvent {
Dec 18 04:10:37.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: struct is never constructed: `BackendManager`
Dec 18 04:10:37.524 INFO [stderr]   --> src/backend_manager.rs:17:1
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 17 | pub struct BackendManager {
Dec 18 04:10:37.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: method is never used: `register`
Dec 18 04:10:37.524 INFO [stderr]   --> src/backend_manager.rs:22:5
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 22 |     pub fn register(&self, service: ServiceDeclaration) -> Result<Vec<()>, String> {
Dec 18 04:10:37.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: method is never used: `deregister`
Dec 18 04:10:37.524 INFO [stderr]   --> src/backend_manager.rs:27:5
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 27 |     pub fn deregister(&self, service:ServiceDeclaration) -> Result<Vec<()>, String> {
Dec 18 04:10:37.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:37.524 INFO [stderr] warning: struct is never constructed: `FakeBackend`
Dec 18 04:10:37.524 INFO [stderr]   --> src/backend_manager.rs:34:1
Dec 18 04:10:37.524 INFO [stderr]    |
Dec 18 04:10:37.524 INFO [stderr] 34 | pub struct FakeBackend {
Dec 18 04:10:37.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:37.524 INFO [stderr] 
Dec 18 04:10:39.131 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.14s
Dec 18 04:10:40.011 INFO running `"docker" "inspect" "6875f14e3d6092ce259d52b7d122740658b36cd5530e2edce37e2dc070a0b25c"`
Dec 18 04:10:40.282 INFO running `"docker" "rm" "-f" "6875f14e3d6092ce259d52b7d122740658b36cd5530e2edce37e2dc070a0b25c"`
Dec 18 04:10:40.728 INFO [stdout] 6875f14e3d6092ce259d52b7d122740658b36cd5530e2edce37e2dc070a0b25c