[INFO] fetching crate readenv 0.2.5...
[INFO] checking readenv-0.2.5 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate readenv 0.2.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate readenv 0.2.5 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f96868c45b25b1074a04a36f0e5bc549ef453bc1ae455c536a99353fa7cd96
[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" "28f96868c45b25b1074a04a36f0e5bc549ef453bc1ae455c536a99353fa7cd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f96868c45b25b1074a04a36f0e5bc549ef453bc1ae455c536a99353fa7cd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f96868c45b25b1074a04a36f0e5bc549ef453bc1ae455c536a99353fa7cd96", kill_on_drop: false }`
[INFO] [stdout] 28f96868c45b25b1074a04a36f0e5bc549ef453bc1ae455c536a99353fa7cd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9334598bde276d352065ec92ad6ffb2915f52592517127706de3183a6c9e1fc6
[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" "9334598bde276d352065ec92ad6ffb2915f52592517127706de3183a6c9e1fc6", 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 3.03s
[INFO] running `Command { std: "docker" "inspect" "9334598bde276d352065ec92ad6ffb2915f52592517127706de3183a6c9e1fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9334598bde276d352065ec92ad6ffb2915f52592517127706de3183a6c9e1fc6", kill_on_drop: false }`
[INFO] [stdout] 9334598bde276d352065ec92ad6ffb2915f52592517127706de3183a6c9e1fc6