[INFO] cloning repository https://github.com/BrainiumLLC/firebase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrainiumLLC/firebase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrainiumLLC%2Ffirebase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrainiumLLC%2Ffirebase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2f4fdb2e159ca7bf2b60888b9f5446f662662d
[INFO] checking BrainiumLLC/firebase against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrainiumLLC%2Ffirebase" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrainiumLLC/firebase on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrainiumLLC/firebase
[INFO] finished tweaking git repo https://github.com/BrainiumLLC/firebase
[INFO] tweaked toml for git repo https://github.com/BrainiumLLC/firebase written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/BrainiumLLC/firebase already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ef56e5c56d46f9b2b6f1b047770b0b9c9bf28190b12ceba03c33d90bce8f1e7
[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" "2ef56e5c56d46f9b2b6f1b047770b0b9c9bf28190b12ceba03c33d90bce8f1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef56e5c56d46f9b2b6f1b047770b0b9c9bf28190b12ceba03c33d90bce8f1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef56e5c56d46f9b2b6f1b047770b0b9c9bf28190b12ceba03c33d90bce8f1e7", kill_on_drop: false }`
[INFO] [stdout] 2ef56e5c56d46f9b2b6f1b047770b0b9c9bf28190b12ceba03c33d90bce8f1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 667be026e95dfe0f0ed6a91fc4c75f99272c83d1bf6896e3ba441d1f0caca74b
[INFO] running `Command { std: "docker" "start" "-a" "667be026e95dfe0f0ed6a91fc4c75f99272c83d1bf6896e3ba441d1f0caca74b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling firebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling bossy v0.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling firebase-sys v0.1.0 (https://github.com/BrainiumLLC/firebase-sys#2c0339d7)
[INFO] [stdout] warning: unused import: `firebase_sys::*`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use firebase_sys::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firebase_sys::*`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use firebase_sys::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_to_c_string`
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn convert_to_c_string(val: &str) -> CString {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_to_c_string`
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn convert_to_c_string(val: &str) -> CString {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "667be026e95dfe0f0ed6a91fc4c75f99272c83d1bf6896e3ba441d1f0caca74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667be026e95dfe0f0ed6a91fc4c75f99272c83d1bf6896e3ba441d1f0caca74b", kill_on_drop: false }`
[INFO] [stdout] 667be026e95dfe0f0ed6a91fc4c75f99272c83d1bf6896e3ba441d1f0caca74b