[INFO] cloning repository https://github.com/imDema/memebot_warp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imDema/memebot_warp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fmemebot_warp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fmemebot_warp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0df6de56f9e80e583485979e22b6f94ed2d101c
[INFO] checking imDema/memebot_warp against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fmemebot_warp" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imDema/memebot_warp on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imDema/memebot_warp
[INFO] finished tweaking git repo https://github.com/imDema/memebot_warp
[INFO] tweaked toml for git repo https://github.com/imDema/memebot_warp written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/imDema/memebot_warp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a2e451c5e5ef16dac2291529d0eed3fb9b243a24db70d7fbd99f0ec106b1ed
[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" "c6a2e451c5e5ef16dac2291529d0eed3fb9b243a24db70d7fbd99f0ec106b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a2e451c5e5ef16dac2291529d0eed3fb9b243a24db70d7fbd99f0ec106b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a2e451c5e5ef16dac2291529d0eed3fb9b243a24db70d7fbd99f0ec106b1ed", kill_on_drop: false }`
[INFO] [stdout] c6a2e451c5e5ef16dac2291529d0eed3fb9b243a24db70d7fbd99f0ec106b1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 512d94548063126e906d4dd78797a3cac8eb5021bd1f647f4c054d8d3ce251e4
[INFO] running `Command { std: "docker" "start" "-a" "512d94548063126e906d4dd78797a3cac8eb5021bd1f647f4c054d8d3ce251e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking memchr v2.3.2
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking headers v0.3.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling diesel v1.4.3
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking warp v0.2.1
[INFO] [stderr]     Checking migrations_internals v1.4.0
[INFO] [stderr]    Compiling migrations_macros v1.4.1
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]     Checking memebot_backend v0.1.0 (https://gitlab.com/imDema/memebot_backend.git#52367327)
[INFO] [stderr]     Checking memebot_warp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ServerError`
[INFO] [stdout]  --> src/handlers/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ServerError,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ok`
[INFO] [stdout]  --> src/handlers/common.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ok,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ServerError`
[INFO] [stdout]  --> src/handlers/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ServerError,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ok`
[INFO] [stdout]  --> src/handlers/common.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ok,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `Command { std: "docker" "inspect" "512d94548063126e906d4dd78797a3cac8eb5021bd1f647f4c054d8d3ce251e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512d94548063126e906d4dd78797a3cac8eb5021bd1f647f4c054d8d3ce251e4", kill_on_drop: false }`
[INFO] [stdout] 512d94548063126e906d4dd78797a3cac8eb5021bd1f647f4c054d8d3ce251e4