[INFO] fetching crate readenv 0.2.5...
[INFO] testing readenv-0.2.5 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate readenv 0.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate readenv 0.2.5 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddf57e15443c044030be0200011e08e3309400df4277aa6868debb61d2db51c
[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" "7ddf57e15443c044030be0200011e08e3309400df4277aa6868debb61d2db51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddf57e15443c044030be0200011e08e3309400df4277aa6868debb61d2db51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddf57e15443c044030be0200011e08e3309400df4277aa6868debb61d2db51c", kill_on_drop: false }`
[INFO] [stdout] 7ddf57e15443c044030be0200011e08e3309400df4277aa6868debb61d2db51c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 803e2f5dab70ac903e9cdaaae72a8c97ba3df3763e579d0ebb49e2a15c750394
[INFO] running `Command { std: "docker" "start" "-a" "803e2f5dab70ac903e9cdaaae72a8c97ba3df3763e579d0ebb49e2a15c750394", 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 item '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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "803e2f5dab70ac903e9cdaaae72a8c97ba3df3763e579d0ebb49e2a15c750394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803e2f5dab70ac903e9cdaaae72a8c97ba3df3763e579d0ebb49e2a15c750394", kill_on_drop: false }`
[INFO] [stdout] 803e2f5dab70ac903e9cdaaae72a8c97ba3df3763e579d0ebb49e2a15c750394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b130184b4431468466a129dfd43ac01fd10248a246d3a36c26f7cf644f3c3ef
[INFO] running `Command { std: "docker" "start" "-a" "4b130184b4431468466a129dfd43ac01fd10248a246d3a36c26f7cf644f3c3ef", 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 item '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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b130184b4431468466a129dfd43ac01fd10248a246d3a36c26f7cf644f3c3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b130184b4431468466a129dfd43ac01fd10248a246d3a36c26f7cf644f3c3ef", kill_on_drop: false }`
[INFO] [stdout] 4b130184b4431468466a129dfd43ac01fd10248a246d3a36c26f7cf644f3c3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d331b97d1cfc5ea176d2f4896cceab594f9e4c8f517f9816caadd7d90179bbaf
[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" "d331b97d1cfc5ea176d2f4896cceab594f9e4c8f517f9816caadd7d90179bbaf", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/renv-d84f518d0a71365f
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d331b97d1cfc5ea176d2f4896cceab594f9e4c8f517f9816caadd7d90179bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d331b97d1cfc5ea176d2f4896cceab594f9e4c8f517f9816caadd7d90179bbaf", kill_on_drop: false }`
[INFO] [stdout] d331b97d1cfc5ea176d2f4896cceab594f9e4c8f517f9816caadd7d90179bbaf