[INFO] crate readenv 0.2.4 is already in cache
[INFO] checking readenv-0.2.4 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate readenv 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate readenv 0.2.4 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate readenv 0.2.4
[INFO] finished tweaking crates.io crate readenv 0.2.4
[INFO] tweaked toml for crates.io crate readenv 0.2.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate readenv 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4278a1c954cd14f6ef9e7b7bd639cf4d0f5b907849c21a4c6ff294d384e69a17
[INFO] running `"docker" "start" "-a" "4278a1c954cd14f6ef9e7b7bd639cf4d0f5b907849c21a4c6ff294d384e69a17"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking readenv v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'dotenv::from_filename_iter': please use `from_path` in conjunction with `var` instead
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let iter_result = dotenv::from_filename_iter(".env");
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'dotenv::from_filename_iter': please use `from_path` in conjunction with `var` instead
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let iter_result = dotenv::from_filename_iter(".env");
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `"docker" "inspect" "4278a1c954cd14f6ef9e7b7bd639cf4d0f5b907849c21a4c6ff294d384e69a17"`
[INFO] running `"docker" "rm" "-f" "4278a1c954cd14f6ef9e7b7bd639cf4d0f5b907849c21a4c6ff294d384e69a17"`
[INFO] [stdout] 4278a1c954cd14f6ef9e7b7bd639cf4d0f5b907849c21a4c6ff294d384e69a17