[INFO] fetching crate posthog-rs 0.2.2...
[INFO] testing posthog-rs-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate posthog-rs 0.2.2 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate posthog-rs 0.2.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate posthog-rs 0.2.2
[INFO] finished tweaking crates.io crate posthog-rs 0.2.2
[INFO] tweaked toml for crates.io crate posthog-rs 0.2.2 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65acf07378634e79a10e0bc8c6199194267270f18c0d21c7226cace4eaed97a5
[INFO] running `Command { std: "docker" "start" "-a" "65acf07378634e79a10e0bc8c6199194267270f18c0d21c7226cace4eaed97a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65acf07378634e79a10e0bc8c6199194267270f18c0d21c7226cace4eaed97a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65acf07378634e79a10e0bc8c6199194267270f18c0d21c7226cace4eaed97a5", kill_on_drop: false }`
[INFO] [stdout] 65acf07378634e79a10e0bc8c6199194267270f18c0d21c7226cace4eaed97a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9aadbc47d04820f82f4c66af2f3cc94655717e7f3b2e6f3d0224875524f01e0
[INFO] running `Command { std: "docker" "start" "-a" "c9aadbc47d04820f82f4c66af2f3cc94655717e7f3b2e6f3d0224875524f01e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling posthog-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "c9aadbc47d04820f82f4c66af2f3cc94655717e7f3b2e6f3d0224875524f01e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9aadbc47d04820f82f4c66af2f3cc94655717e7f3b2e6f3d0224875524f01e0", kill_on_drop: false }`
[INFO] [stdout] c9aadbc47d04820f82f4c66af2f3cc94655717e7f3b2e6f3d0224875524f01e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e46728522b78991493b8c2c4fca258776983c4092a2d362c9289e44e156ffe
[INFO] running `Command { std: "docker" "start" "-a" "e9e46728522b78991493b8c2c4fca258776983c4092a2d362c9289e44e156ffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling posthog-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `POSTHOG_API_KEY` not defined
[INFO] [stdout]    --> src/lib.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let client = crate::client(env!("POSTHOG_API_KEY"));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Utc`
[INFO] [stdout]    --> src/lib.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |     use chrono::{Utc};
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:141:1
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub mod tests {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `posthog-rs` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e9e46728522b78991493b8c2c4fca258776983c4092a2d362c9289e44e156ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e46728522b78991493b8c2c4fca258776983c4092a2d362c9289e44e156ffe", kill_on_drop: false }`
[INFO] [stdout] e9e46728522b78991493b8c2c4fca258776983c4092a2d362c9289e44e156ffe