[INFO] cloning repository https://github.com/jonimake/rust-settings-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonimake/rust-settings-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonimake%2Frust-settings-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonimake%2Frust-settings-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 304c97e4cbf26ce8001bf5b6649ff24c808a78fd
[INFO] testing jonimake/rust-settings-test against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonimake%2Frust-settings-test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonimake/rust-settings-test on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonimake/rust-settings-test
[INFO] finished tweaking git repo https://github.com/jonimake/rust-settings-test
[INFO] tweaked toml for git repo https://github.com/jonimake/rust-settings-test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jonimake/rust-settings-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] 3e3b53786ece76f00118fd03ba9f2645d1d665a9eb25d4f3b35af6cac28d9fbd
[INFO] running `Command { std: "docker" "start" "-a" "3e3b53786ece76f00118fd03ba9f2645d1d665a9eb25d4f3b35af6cac28d9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3b53786ece76f00118fd03ba9f2645d1d665a9eb25d4f3b35af6cac28d9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3b53786ece76f00118fd03ba9f2645d1d665a9eb25d4f3b35af6cac28d9fbd", kill_on_drop: false }`
[INFO] [stdout] 3e3b53786ece76f00118fd03ba9f2645d1d665a9eb25d4f3b35af6cac28d9fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7bce9fcd02d047ebacf82d4227be43c75de0c8f29981ade968dba2574fcc475
[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" "d7bce9fcd02d047ebacf82d4227be43c75de0c8f29981ade968dba2574fcc475", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling config v0.9.1
[INFO] [stderr]    Compiling rust-setting-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config_file`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config_file = config::File::with_name("Settings");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.90s
[INFO] running `Command { std: "docker" "inspect" "d7bce9fcd02d047ebacf82d4227be43c75de0c8f29981ade968dba2574fcc475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bce9fcd02d047ebacf82d4227be43c75de0c8f29981ade968dba2574fcc475", kill_on_drop: false }`
[INFO] [stdout] d7bce9fcd02d047ebacf82d4227be43c75de0c8f29981ade968dba2574fcc475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2e786560d0cdfbb7791ec5e0c4495e2a084648fc1eb7e73273070193c02aa4
[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" "5d2e786560d0cdfbb7791ec5e0c4495e2a084648fc1eb7e73273070193c02aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-setting-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config_file`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config_file = config::File::with_name("Settings");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d2e786560d0cdfbb7791ec5e0c4495e2a084648fc1eb7e73273070193c02aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2e786560d0cdfbb7791ec5e0c4495e2a084648fc1eb7e73273070193c02aa4", kill_on_drop: false }`
[INFO] [stdout] 5d2e786560d0cdfbb7791ec5e0c4495e2a084648fc1eb7e73273070193c02aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccbec2f7d5e6a1bcc1ea9ea2c322d094af126dc4a84bc7e55d2ac3ab2626055a
[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" "ccbec2f7d5e6a1bcc1ea9ea2c322d094af126dc4a84bc7e55d2ac3ab2626055a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `config_file`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let config_file = config::File::with_name("Settings");
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-setting-test` (bin "rust-setting-test" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_setting_test-9cb551358d61db61)
[INFO] running `Command { std: "docker" "inspect" "ccbec2f7d5e6a1bcc1ea9ea2c322d094af126dc4a84bc7e55d2ac3ab2626055a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbec2f7d5e6a1bcc1ea9ea2c322d094af126dc4a84bc7e55d2ac3ab2626055a", kill_on_drop: false }`
[INFO] [stdout] ccbec2f7d5e6a1bcc1ea9ea2c322d094af126dc4a84bc7e55d2ac3ab2626055a