[INFO] fetching crate readenv 0.2.5...
[INFO] testing readenv-0.2.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate readenv 0.2.5 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate readenv 0.2.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-30/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" "+1.55.0" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5fa22af206cb20557a1a0e25f79bc6a2cd2feaa435ef447ba6d2444b28c058
[INFO] running `Command { std: "docker" "start" "-a" "6b5fa22af206cb20557a1a0e25f79bc6a2cd2feaa435ef447ba6d2444b28c058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5fa22af206cb20557a1a0e25f79bc6a2cd2feaa435ef447ba6d2444b28c058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5fa22af206cb20557a1a0e25f79bc6a2cd2feaa435ef447ba6d2444b28c058", kill_on_drop: false }`
[INFO] [stdout] 6b5fa22af206cb20557a1a0e25f79bc6a2cd2feaa435ef447ba6d2444b28c058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab3b0bd19e927d1da7dcb522f5819fb16a80df41001efacb9a72bbfdf64b6d3
[INFO] running `Command { std: "docker" "start" "-a" "0ab3b0bd19e927d1da7dcb522f5819fb16a80df41001efacb9a72bbfdf64b6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling exec v0.3.1
[INFO] [stderr]    Compiling 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:12:31
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "0ab3b0bd19e927d1da7dcb522f5819fb16a80df41001efacb9a72bbfdf64b6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab3b0bd19e927d1da7dcb522f5819fb16a80df41001efacb9a72bbfdf64b6d3", kill_on_drop: false }`
[INFO] [stdout] 0ab3b0bd19e927d1da7dcb522f5819fb16a80df41001efacb9a72bbfdf64b6d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b807659a7868338a4111781fe1d76addfe392cb7d99ac1081745372a66791114
[INFO] running `Command { std: "docker" "start" "-a" "b807659a7868338a4111781fe1d76addfe392cb7d99ac1081745372a66791114", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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:12:31
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b807659a7868338a4111781fe1d76addfe392cb7d99ac1081745372a66791114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b807659a7868338a4111781fe1d76addfe392cb7d99ac1081745372a66791114", kill_on_drop: false }`
[INFO] [stdout] b807659a7868338a4111781fe1d76addfe392cb7d99ac1081745372a66791114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5debf6940e8f1c1229db764bba1544ea6b550bb9846ae7f21794a9076708b00e
[INFO] running `Command { std: "docker" "start" "-a" "5debf6940e8f1c1229db764bba1544ea6b550bb9846ae7f21794a9076708b00e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `dotenv::from_filename_iter`: please use `from_path` in conjunction with `var` instead
[INFO] [stderr]   --> src/main.rs:12:31
[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: `readenv` (bin "renv" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/renv-29de3e1634a3fb5e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5debf6940e8f1c1229db764bba1544ea6b550bb9846ae7f21794a9076708b00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5debf6940e8f1c1229db764bba1544ea6b550bb9846ae7f21794a9076708b00e", kill_on_drop: false }`
[INFO] [stdout] 5debf6940e8f1c1229db764bba1544ea6b550bb9846ae7f21794a9076708b00e