[INFO] fetching crate autosat 0.1.0...
[INFO] testing autosat-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 autosat 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate autosat 0.1.0
[INFO] finished tweaking crates.io crate autosat 0.1.0
[INFO] tweaked toml for crates.io crate autosat 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate autosat 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4673667caf4dba930ab4034db31884c461528ecd9c301344122307fb8d93646f
[INFO] running `Command { std: "docker" "start" "-a" "4673667caf4dba930ab4034db31884c461528ecd9c301344122307fb8d93646f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4673667caf4dba930ab4034db31884c461528ecd9c301344122307fb8d93646f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4673667caf4dba930ab4034db31884c461528ecd9c301344122307fb8d93646f", kill_on_drop: false }`
[INFO] [stdout] 4673667caf4dba930ab4034db31884c461528ecd9c301344122307fb8d93646f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0bccd4c869464dd69a25fa304fe657d063ff1e0ae43fac5623506f8e03064620
[INFO] running `Command { std: "docker" "start" "-a" "0bccd4c869464dd69a25fa304fe657d063ff1e0ae43fac5623506f8e03064620", kill_on_drop: false }`
[INFO] [stderr]    Compiling autosat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `feasible`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let feasible = test_feasible(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `useful`
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let useful = test_useful(
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0bccd4c869464dd69a25fa304fe657d063ff1e0ae43fac5623506f8e03064620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bccd4c869464dd69a25fa304fe657d063ff1e0ae43fac5623506f8e03064620", kill_on_drop: false }`
[INFO] [stdout] 0bccd4c869464dd69a25fa304fe657d063ff1e0ae43fac5623506f8e03064620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b1b64bd93192955debbb36f84279d5df9557586f948861302ae55bb52f44db29
[INFO] running `Command { std: "docker" "start" "-a" "b1b64bd93192955debbb36f84279d5df9557586f948861302ae55bb52f44db29", kill_on_drop: false }`
[INFO] [stderr]    Compiling autosat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `feasible`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let feasible = test_feasible(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `useful`
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let useful = test_useful(
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `feasible`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let feasible = test_feasible(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `useful`
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let useful = test_useful(
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b1b64bd93192955debbb36f84279d5df9557586f948861302ae55bb52f44db29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b64bd93192955debbb36f84279d5df9557586f948861302ae55bb52f44db29", kill_on_drop: false }`
[INFO] [stdout] b1b64bd93192955debbb36f84279d5df9557586f948861302ae55bb52f44db29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06e77deb34050fd3b06e016341916fb5cdd363ee181cb5afa21d9b95b0ac336f
[INFO] running `Command { std: "docker" "start" "-a" "06e77deb34050fd3b06e016341916fb5cdd363ee181cb5afa21d9b95b0ac336f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `feasible`
[INFO] [stderr]    --> src/lib.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let feasible = test_feasible(
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `useful`
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let useful = test_useful(
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stderr] 
[INFO] [stderr] warning: `autosat` (lib) generated 2 warnings
[INFO] [stderr] warning: `autosat` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/autosat-07274160a715b0ca)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::synthesize_xor_gate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06e77deb34050fd3b06e016341916fb5cdd363ee181cb5afa21d9b95b0ac336f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e77deb34050fd3b06e016341916fb5cdd363ee181cb5afa21d9b95b0ac336f", kill_on_drop: false }`
[INFO] [stdout] 06e77deb34050fd3b06e016341916fb5cdd363ee181cb5afa21d9b95b0ac336f