[INFO] fetching crate readenv 0.2.5...
[INFO] checking readenv-0.2.5 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate readenv 0.2.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate readenv 0.2.5 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readenv 0.2.5
[INFO] finished tweaking crates.io crate readenv 0.2.5
[INFO] tweaked toml for crates.io crate readenv 0.2.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate readenv 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d519c7760c730074ad08f6e0f2dc02c7c37b5dd81aab437955f3fc7db012bc
[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" "93d519c7760c730074ad08f6e0f2dc02c7c37b5dd81aab437955f3fc7db012bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d519c7760c730074ad08f6e0f2dc02c7c37b5dd81aab437955f3fc7db012bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d519c7760c730074ad08f6e0f2dc02c7c37b5dd81aab437955f3fc7db012bc", kill_on_drop: false }`
[INFO] [stdout] 93d519c7760c730074ad08f6e0f2dc02c7c37b5dd81aab437955f3fc7db012bc
[INFO] running `Command { std: "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048c67a021a46b7d1c3c78010eb4acf90adde361806032e2d2230c10d51024c9
[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" "048c67a021a46b7d1c3c78010eb4acf90adde361806032e2d2230c10d51024c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking readenv v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `dotenv::from_filename_iter`: please use `from_path` in conjunction with `var` instead
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let iter_result = dotenv::from_filename_iter(".env");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `dotenv::from_filename_iter`: please use `from_path` in conjunction with `var` instead
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let iter_result = dotenv::from_filename_iter(".env");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "048c67a021a46b7d1c3c78010eb4acf90adde361806032e2d2230c10d51024c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048c67a021a46b7d1c3c78010eb4acf90adde361806032e2d2230c10d51024c9", kill_on_drop: false }`
[INFO] [stdout] 048c67a021a46b7d1c3c78010eb4acf90adde361806032e2d2230c10d51024c9