[INFO] cloning repository https://github.com/vjousse/test-config-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjousse/test-config-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjousse%2Ftest-config-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjousse%2Ftest-config-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f81a3b21adbecadfc63ccba6187b4778e64219b2
[INFO] testing vjousse/test-config-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjousse%2Ftest-config-rs" "/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/vjousse/test-config-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vjousse/test-config-rs
[INFO] finished tweaking git repo https://github.com/vjousse/test-config-rs
[INFO] tweaked toml for git repo https://github.com/vjousse/test-config-rs written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/vjousse/test-config-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.11
[INFO] [stderr]   Downloaded config v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.29
[INFO] [stderr]   Downloaded serde_derive_internals v0.20.0
[INFO] [stderr]   Downloaded serde v1.0.29
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1463a151c9ccc547e1e9df443513ec32b971177f4cd2a9a452b82c43efe1caad
[INFO] running `Command { std: "docker" "start" "-a" "1463a151c9ccc547e1e9df443513ec32b971177f4cd2a9a452b82c43efe1caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1463a151c9ccc547e1e9df443513ec32b971177f4cd2a9a452b82c43efe1caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1463a151c9ccc547e1e9df443513ec32b971177f4cd2a9a452b82c43efe1caad", kill_on_drop: false }`
[INFO] [stdout] 1463a151c9ccc547e1e9df443513ec32b971177f4cd2a9a452b82c43efe1caad
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38345b2a95809d40fbde1588eeb6d940bd4381d3c903c9d7fe34f924d22430bd
[INFO] running `Command { std: "docker" "start" "-a" "38345b2a95809d40fbde1588eeb6d940bd4381d3c903c9d7fe34f924d22430bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling serde v1.0.29
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.29
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling config v0.8.0
[INFO] [stderr]    Compiling test-config-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `snake_test`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     snake_test: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Deserialize)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.47s
[INFO] running `Command { std: "docker" "inspect" "38345b2a95809d40fbde1588eeb6d940bd4381d3c903c9d7fe34f924d22430bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38345b2a95809d40fbde1588eeb6d940bd4381d3c903c9d7fe34f924d22430bd", kill_on_drop: false }`
[INFO] [stdout] 38345b2a95809d40fbde1588eeb6d940bd4381d3c903c9d7fe34f924d22430bd
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97a97f0bd88363131bec19a124f147f76e2a50117f24a2195105e591c36406d8
[INFO] running `Command { std: "docker" "start" "-a" "97a97f0bd88363131bec19a124f147f76e2a50117f24a2195105e591c36406d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling test-config-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `snake_test`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     snake_test: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Deserialize)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "97a97f0bd88363131bec19a124f147f76e2a50117f24a2195105e591c36406d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a97f0bd88363131bec19a124f147f76e2a50117f24a2195105e591c36406d8", kill_on_drop: false }`
[INFO] [stdout] 97a97f0bd88363131bec19a124f147f76e2a50117f24a2195105e591c36406d8
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b6ceba9c5ba1ffd62b5c72935ec108c4ddeed8c5323366fdcaaeff31268650
[INFO] running `Command { std: "docker" "start" "-a" "f5b6ceba9c5ba1ffd62b5c72935ec108c4ddeed8c5323366fdcaaeff31268650", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `snake_test`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 |     snake_test: String,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/main.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Deserialize)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `test-config-rs` (bin "test-config-rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_config_rs-0437667129c201ee)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f5b6ceba9c5ba1ffd62b5c72935ec108c4ddeed8c5323366fdcaaeff31268650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b6ceba9c5ba1ffd62b5c72935ec108c4ddeed8c5323366fdcaaeff31268650", kill_on_drop: false }`
[INFO] [stdout] f5b6ceba9c5ba1ffd62b5c72935ec108c4ddeed8c5323366fdcaaeff31268650