[INFO] fetching crate dotenv-flow 0.16.2...
[INFO] checking dotenv-flow-0.16.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate dotenv-flow 0.16.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dotenv-flow 0.16.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotenv-flow 0.16.2
[INFO] finished tweaking crates.io crate dotenv-flow 0.16.2
[INFO] tweaked toml for crates.io crate dotenv-flow 0.16.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate dotenv-flow 0.16.2 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584344e70e5bd084fc0dfe87ab86eba09e0deecd88e3b667b6225f08249103df
[INFO] running `Command { std: "docker" "start" "-a" "584344e70e5bd084fc0dfe87ab86eba09e0deecd88e3b667b6225f08249103df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584344e70e5bd084fc0dfe87ab86eba09e0deecd88e3b667b6225f08249103df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584344e70e5bd084fc0dfe87ab86eba09e0deecd88e3b667b6225f08249103df", kill_on_drop: false }`
[INFO] [stdout] 584344e70e5bd084fc0dfe87ab86eba09e0deecd88e3b667b6225f08249103df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b19146645a42fe2c1871c3836ed4493409839080854c067915cc51afb1b0c7e
[INFO] running `Command { std: "docker" "start" "-a" "6b19146645a42fe2c1871c3836ed4493409839080854c067915cc51afb1b0c7e", 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 dotenv-flow v0.16.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/find.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |             filename: path.as_ref().clone(),
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 21 -             filename: path.as_ref().clone(),
[INFO] [stdout] 21 +             filename: path.as_ref(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 `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: 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: 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: 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 `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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/find.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |             filename: path.as_ref().clone(),
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 21 -             filename: path.as_ref().clone(),
[INFO] [stdout] 21 +             filename: path.as_ref(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "6b19146645a42fe2c1871c3836ed4493409839080854c067915cc51afb1b0c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b19146645a42fe2c1871c3836ed4493409839080854c067915cc51afb1b0c7e", kill_on_drop: false }`
[INFO] [stdout] 6b19146645a42fe2c1871c3836ed4493409839080854c067915cc51afb1b0c7e