[INFO] fetching crate dotenv-flow 0.15.0...
[INFO] checking dotenv-flow-0.15.0 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate dotenv-flow 0.15.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dotenv-flow 0.15.0 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotenv-flow 0.15.0
[INFO] finished tweaking crates.io crate dotenv-flow 0.15.0
[INFO] tweaked toml for crates.io crate dotenv-flow 0.15.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dotenv-flow 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9bbac87efc58e537306ce67f661b2755c61ec06c6b9ad1fe821265d10e323d6
[INFO] running `Command { std: "docker" "start" "-a" "a9bbac87efc58e537306ce67f661b2755c61ec06c6b9ad1fe821265d10e323d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9bbac87efc58e537306ce67f661b2755c61ec06c6b9ad1fe821265d10e323d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bbac87efc58e537306ce67f661b2755c61ec06c6b9ad1fe821265d10e323d6", kill_on_drop: false }`
[INFO] [stdout] a9bbac87efc58e537306ce67f661b2755c61ec06c6b9ad1fe821265d10e323d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb7310f05732ad161aff094bf2b0e1acda05058533937cdc26df3006d68c77a
[INFO] running `Command { std: "docker" "start" "-a" "5bb7310f05732ad161aff094bf2b0e1acda05058533937cdc26df3006d68c77a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking dotenv-flow v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_test_dotenv` is never used
[INFO] [stdout]   --> tests/common/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn make_test_dotenv() -> io::Result<TempDir> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv` is never used
[INFO] [stdout]   --> tests/common/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn tempdir_with_dotenv(dotenv_text: &str) -> io::Result<TempDir> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_test_dotenv` is never used
[INFO] [stdout]   --> tests/common/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn make_test_dotenv() -> io::Result<TempDir> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optional_write_flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn optional_write_flush(dir: &TempDir, path: &str, content: Option<&str>) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_with_dotenv_flow` is never used
[INFO] [stdout]   --> tests/common/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn tempdir_with_dotenv_flow(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "5bb7310f05732ad161aff094bf2b0e1acda05058533937cdc26df3006d68c77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb7310f05732ad161aff094bf2b0e1acda05058533937cdc26df3006d68c77a", kill_on_drop: false }`
[INFO] [stdout] 5bb7310f05732ad161aff094bf2b0e1acda05058533937cdc26df3006d68c77a