[INFO] fetching crate skyway-webrtc-gateway-api 0.0.3...
[INFO] testing skyway-webrtc-gateway-api-0.0.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate skyway-webrtc-gateway-api 0.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate skyway-webrtc-gateway-api 0.0.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate skyway-webrtc-gateway-api 0.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate skyway-webrtc-gateway-api 0.0.3
[INFO] tweaked toml for crates.io crate skyway-webrtc-gateway-api 0.0.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate skyway-webrtc-gateway-api 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55bded59db8d7f4e69191ec493d284acdc77651ff65a89e271a1f3b8fe559052
[INFO] running `"docker" "start" "-a" "55bded59db8d7f4e69191ec493d284acdc77651ff65a89e271a1f3b8fe559052"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.2
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling dotenv_codegen_impl v0.1.0
[INFO] [stderr]    Compiling dotenv_codegen v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tokio v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling reqwest v0.10.1
[INFO] [stderr]    Compiling skyway-webrtc-gateway-api v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `"docker" "inspect" "55bded59db8d7f4e69191ec493d284acdc77651ff65a89e271a1f3b8fe559052"`
[INFO] running `"docker" "rm" "-f" "55bded59db8d7f4e69191ec493d284acdc77651ff65a89e271a1f3b8fe559052"`
[INFO] [stdout] 55bded59db8d7f4e69191ec493d284acdc77651ff65a89e271a1f3b8fe559052
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 542ef52baf2c3ecd1d5937b970778b7a252c2fd1e53477d2cfbd27613353b1fe
[INFO] running `"docker" "start" "-a" "542ef52baf2c3ecd1d5937b970778b7a252c2fd1e53477d2cfbd27613353b1fe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling once_cell v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling async-task v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling skyway-webrtc-gateway-api v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/data/api.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/data/api.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/data/api.rs:531:9
[INFO] [stderr]     |
[INFO] [stderr] 531 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/data/api.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/data/api.rs:1022:9
[INFO] [stderr]      |
[INFO] [stderr] 1022 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/data/api.rs:1391:9
[INFO] [stderr]      |
[INFO] [stderr] 1391 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/data/api.rs:1645:9
[INFO] [stderr]      |
[INFO] [stderr] 1645 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/media/api.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/media/api.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/media/api.rs:617:9
[INFO] [stderr]     |
[INFO] [stderr] 617 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/media/api.rs:800:9
[INFO] [stderr]     |
[INFO] [stderr] 800 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:1027:9
[INFO] [stderr]      |
[INFO] [stderr] 1027 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:1257:9
[INFO] [stderr]      |
[INFO] [stderr] 1257 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:1483:9
[INFO] [stderr]      |
[INFO] [stderr] 1483 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:1872:9
[INFO] [stderr]      |
[INFO] [stderr] 1872 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:2112:9
[INFO] [stderr]      |
[INFO] [stderr] 2112 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/media/api.rs:2420:9
[INFO] [stderr]      |
[INFO] [stderr] 2420 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/peer/api.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/peer/api.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]    --> src/peer/api.rs:867:9
[INFO] [stderr]     |
[INFO] [stderr] 867 |     use helper::server;
[INFO] [stderr]     |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `helper`
[INFO] [stderr]     --> src/peer/api.rs:1099:9
[INFO] [stderr]      |
[INFO] [stderr] 1099 |     use helper::server;
[INFO] [stderr]      |         ^^^^^^ use of undeclared type or module `helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]    --> src/data/api.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |     use futures::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]     --> src/data/api.rs:1015:9
[INFO] [stderr]      |
[INFO] [stderr] 1015 |     use futures::*;
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]    --> src/media/api.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     use futures::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]    --> src/peer/api.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     use futures::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `skyway-webrtc-gateway-api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "542ef52baf2c3ecd1d5937b970778b7a252c2fd1e53477d2cfbd27613353b1fe"`
[INFO] running `"docker" "rm" "-f" "542ef52baf2c3ecd1d5937b970778b7a252c2fd1e53477d2cfbd27613353b1fe"`
[INFO] [stdout] 542ef52baf2c3ecd1d5937b970778b7a252c2fd1e53477d2cfbd27613353b1fe