[INFO] updating cached repository Richterrettich/ca
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Richterrettich/ca
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Richterrettich/ca" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Richterrettich/ca"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Richterrettich/ca'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Richterrettich/ca" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Richterrettich/ca"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Richterrettich/ca'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c07a0fc11b7502072f3fbdda80e0ec058db8f242
[INFO] sha for GitHub repo Richterrettich/ca: c07a0fc11b7502072f3fbdda80e0ec058db8f242
[INFO] validating manifest of Richterrettich/ca on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Richterrettich/ca on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Richterrettich/ca
[INFO] finished frobbing Richterrettich/ca
[INFO] frobbed toml for Richterrettich/ca written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Richterrettich/ca/Cargo.toml
[INFO] started frobbing Richterrettich/ca
[INFO] finished frobbing Richterrettich/ca
[INFO] frobbed toml for Richterrettich/ca written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Richterrettich/ca/Cargo.toml
[INFO] crate Richterrettich/ca has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building Richterrettich/ca against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Richterrettich/ca:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] c58c80589e65efaf4903638f69d1bfe212525ca85e83eae9f6558675d98fa8f1
[INFO] running `"docker" "start" "-a" "c58c80589e65efaf4903638f69d1bfe212525ca85e83eae9f6558675d98fa8f1"`
[INFO] [stderr]    Compiling openssl v0.10.7
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling filetime v0.2.0
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling ca v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/bin/ca.rs:236:15
[INFO] [stderr]     |
[INFO] [stderr] 236 |         match env::home_dir() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/ca.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     mut dir: std::path::PathBuf,
[INFO] [stderr]     |     ----^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `"docker" "inspect" "c58c80589e65efaf4903638f69d1bfe212525ca85e83eae9f6558675d98fa8f1"`
[INFO] running `"docker" "rm" "-f" "c58c80589e65efaf4903638f69d1bfe212525ca85e83eae9f6558675d98fa8f1"`
[INFO] [stdout] c58c80589e65efaf4903638f69d1bfe212525ca85e83eae9f6558675d98fa8f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Richterrettich/ca:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d2d28019cc5cf1b9938030f920508f03adfe69ab0fd6245e6ca19e909a69cb5
[INFO] running `"docker" "start" "-a" "9d2d28019cc5cf1b9938030f920508f03adfe69ab0fd6245e6ca19e909a69cb5"`
[INFO] [stderr]    Compiling ca v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/bin/ca.rs:236:15
[INFO] [stderr]     |
[INFO] [stderr] 236 |         match env::home_dir() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> tests/binary_tests.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let output = run(
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> tests/binary_tests.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | let output = run(
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/binary_tests.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut output = cmd.output().expect("unable to run ca command");
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cleanup`
[INFO] [stderr]    --> tests/binary_tests.rs:151:1
[INFO] [stderr]     |
[INFO] [stderr] 151 | fn cleanup(_d: TempDir) {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/ca.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     mut dir: std::path::PathBuf,
[INFO] [stderr]     |     ----^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "9d2d28019cc5cf1b9938030f920508f03adfe69ab0fd6245e6ca19e909a69cb5"`
[INFO] running `"docker" "rm" "-f" "9d2d28019cc5cf1b9938030f920508f03adfe69ab0fd6245e6ca19e909a69cb5"`
[INFO] [stdout] 9d2d28019cc5cf1b9938030f920508f03adfe69ab0fd6245e6ca19e909a69cb5