[INFO] fetching crate fireengine 0.1.0...
[INFO] testing fireengine-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fireengine 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fireengine 0.1.0
[INFO] finished tweaking crates.io crate fireengine 0.1.0
[INFO] tweaked toml for crates.io crate fireengine 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fireengine 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fireengine 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13e5113279616028f1daef0350cf20813db142ceb3cd51cb2795a9206fef0ce9
[INFO] running `Command { std: "docker" "start" "-a" "13e5113279616028f1daef0350cf20813db142ceb3cd51cb2795a9206fef0ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e5113279616028f1daef0350cf20813db142ceb3cd51cb2795a9206fef0ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e5113279616028f1daef0350cf20813db142ceb3cd51cb2795a9206fef0ce9", kill_on_drop: false }`
[INFO] [stdout] 13e5113279616028f1daef0350cf20813db142ceb3cd51cb2795a9206fef0ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ce973d4cac849a59615fc380cdbaf545e03b735db73be9ad98b3e25cb7f7041f
[INFO] running `Command { std: "docker" "start" "-a" "ce973d4cac849a59615fc380cdbaf545e03b735db73be9ad98b3e25cb7f7041f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fireengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `version` and `name` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct ProgramInfo {
[INFO] [stdout]   |        ----------- fields in this struct
[INFO] [stdout] 3 |     version: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ProgramInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ce973d4cac849a59615fc380cdbaf545e03b735db73be9ad98b3e25cb7f7041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce973d4cac849a59615fc380cdbaf545e03b735db73be9ad98b3e25cb7f7041f", kill_on_drop: false }`
[INFO] [stdout] ce973d4cac849a59615fc380cdbaf545e03b735db73be9ad98b3e25cb7f7041f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6ea661bc4f2e5a2b2cb265b7091eea5118ddb202ddd87250d98c2ed7e1929f84
[INFO] running `Command { std: "docker" "start" "-a" "6ea661bc4f2e5a2b2cb265b7091eea5118ddb202ddd87250d98c2ed7e1929f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling fireengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `version` and `name` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct ProgramInfo {
[INFO] [stdout]   |        ----------- fields in this struct
[INFO] [stdout] 3 |     version: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ProgramInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6ea661bc4f2e5a2b2cb265b7091eea5118ddb202ddd87250d98c2ed7e1929f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea661bc4f2e5a2b2cb265b7091eea5118ddb202ddd87250d98c2ed7e1929f84", kill_on_drop: false }`
[INFO] [stdout] 6ea661bc4f2e5a2b2cb265b7091eea5118ddb202ddd87250d98c2ed7e1929f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 029ea1ad61282363a244db7e36dbc6da281599c459b4be39872ecfc3258eb676
[INFO] running `Command { std: "docker" "start" "-a" "029ea1ad61282363a244db7e36dbc6da281599c459b4be39872ecfc3258eb676", kill_on_drop: false }`
[INFO] [stderr] warning: fields `version` and `name` are never read
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct ProgramInfo {
[INFO] [stderr]   |        ----------- fields in this struct
[INFO] [stderr] 3 |     version: String,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ProgramInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fireengine` (bin "fireengine" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fireengine-c75bcf1bf8b32ff8)
[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] running `Command { std: "docker" "inspect" "029ea1ad61282363a244db7e36dbc6da281599c459b4be39872ecfc3258eb676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029ea1ad61282363a244db7e36dbc6da281599c459b4be39872ecfc3258eb676", kill_on_drop: false }`
[INFO] [stdout] 029ea1ad61282363a244db7e36dbc6da281599c459b4be39872ecfc3258eb676