[INFO] cloning repository https://github.com/bdejean/cmd_cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bdejean/cmd_cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdejean%2Fcmd_cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdejean%2Fcmd_cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85a67a50460fa2becb2c697c8b90592fab61e3a1
[INFO] testing bdejean/cmd_cache against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdejean%2Fcmd_cache" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bdejean/cmd_cache on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bdejean/cmd_cache
[INFO] finished tweaking git repo https://github.com/bdejean/cmd_cache
[INFO] tweaked toml for git repo https://github.com/bdejean/cmd_cache written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/bdejean/cmd_cache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f95dcc5fb3ad3757e588106f60d999637aecf5170f8c01f365a15cc8ccbe0cfb
[INFO] running `Command { std: "docker" "start" "-a" "f95dcc5fb3ad3757e588106f60d999637aecf5170f8c01f365a15cc8ccbe0cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95dcc5fb3ad3757e588106f60d999637aecf5170f8c01f365a15cc8ccbe0cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95dcc5fb3ad3757e588106f60d999637aecf5170f8c01f365a15cc8ccbe0cfb", kill_on_drop: false }`
[INFO] [stdout] f95dcc5fb3ad3757e588106f60d999637aecf5170f8c01f365a15cc8ccbe0cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc95712dda58bca9a74d4fe54c3a07d2568dd49e46f77152311d8726ec3cd161
[INFO] running `Command { std: "docker" "start" "-a" "dc95712dda58bca9a74d4fe54c3a07d2568dd49e46f77152311d8726ec3cd161", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling cmd_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.92s
[INFO] running `Command { std: "docker" "inspect" "dc95712dda58bca9a74d4fe54c3a07d2568dd49e46f77152311d8726ec3cd161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc95712dda58bca9a74d4fe54c3a07d2568dd49e46f77152311d8726ec3cd161", kill_on_drop: false }`
[INFO] [stdout] dc95712dda58bca9a74d4fe54c3a07d2568dd49e46f77152311d8726ec3cd161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d7b9a58b366f8b4f7d420cf21b6412a1effdeb5214f64e2f72dad1b526083f
[INFO] running `Command { std: "docker" "start" "-a" "48d7b9a58b366f8b4f7d420cf21b6412a1effdeb5214f64e2f72dad1b526083f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmd_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `clean_env`
[INFO] [stdout]    --> src/main.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn clean_env(key: &str) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `restore_env`
[INFO] [stdout]    --> src/main.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn restore_env(key: &str, value: Option<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cmd_cache-14daee1cd73d4644)
[INFO] running `Command { std: "docker" "inspect" "48d7b9a58b366f8b4f7d420cf21b6412a1effdeb5214f64e2f72dad1b526083f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d7b9a58b366f8b4f7d420cf21b6412a1effdeb5214f64e2f72dad1b526083f", kill_on_drop: false }`
[INFO] [stdout] 48d7b9a58b366f8b4f7d420cf21b6412a1effdeb5214f64e2f72dad1b526083f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5b668905e469aeeb9e571064d3fe1a558329114c8dbe3c8d72b6dde295f6189
[INFO] running `Command { std: "docker" "start" "-a" "c5b668905e469aeeb9e571064d3fe1a558329114c8dbe3c8d72b6dde295f6189", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `clean_env`
[INFO] [stderr]    --> src/main.rs:160:8
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn clean_env(key: &str) -> Option<String> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `restore_env`
[INFO] [stderr]    --> src/main.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn restore_env(key: &str, value: Option<String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cmd_cache` (bin "cmd_cache" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cmd_cache-14daee1cd73d4644)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_concat_args ... ok
[INFO] [stdout] test test::test_check_or_create_dir ... ok
[INFO] [stdout] test test::test_get_max_days ... ok
[INFO] [stdout] test test::test_check_file ... ok
[INFO] [stdout] test test::test_cmd_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5b668905e469aeeb9e571064d3fe1a558329114c8dbe3c8d72b6dde295f6189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b668905e469aeeb9e571064d3fe1a558329114c8dbe3c8d72b6dde295f6189", kill_on_drop: false }`
[INFO] [stdout] c5b668905e469aeeb9e571064d3fe1a558329114c8dbe3c8d72b6dde295f6189