[INFO] fetching crate mcircuit 0.1.7...
[INFO] testing mcircuit-0.1.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mcircuit 0.1.7 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mcircuit 0.1.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking crates.io crate mcircuit 0.1.7
[INFO] finished tweaking crates.io crate mcircuit 0.1.7
[INFO] tweaked toml for crates.io crate mcircuit 0.1.7 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5d28839f9aa16b820e45fa61a33e4d4009b4179a042f9af13b8a80347851fbe9
[INFO] running `Command { std: "docker" "start" "-a" "5d28839f9aa16b820e45fa61a33e4d4009b4179a042f9af13b8a80347851fbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d28839f9aa16b820e45fa61a33e4d4009b4179a042f9af13b8a80347851fbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d28839f9aa16b820e45fa61a33e4d4009b4179a042f9af13b8a80347851fbe9", kill_on_drop: false }`
[INFO] [stdout] 5d28839f9aa16b820e45fa61a33e4d4009b4179a042f9af13b8a80347851fbe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 3cbccaea3ca891455257ca737e61de8f25558f8a25fff3b4b28bd6acb8b2be18
[INFO] running `Command { std: "docker" "start" "-a" "3cbccaea3ca891455257ca737e61de8f25558f8a25fff3b4b28bd6acb8b2be18", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling lexpr v0.2.6
[INFO] [stderr]    Compiling mcircuit v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "3cbccaea3ca891455257ca737e61de8f25558f8a25fff3b4b28bd6acb8b2be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbccaea3ca891455257ca737e61de8f25558f8a25fff3b4b28bd6acb8b2be18", kill_on_drop: false }`
[INFO] [stdout] 3cbccaea3ca891455257ca737e61de8f25558f8a25fff3b4b28bd6acb8b2be18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d801343f560f5cfc5cc3b780be22b8cd3f93de6847e71647bbca424475639b94
[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" "d801343f560f5cfc5cc3b780be22b8cd3f93de6847e71647bbca424475639b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcircuit v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cons`
[INFO] [stdout]   --> src/parsers/smtlib.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use lexpr::{Cons, Value};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sample`
[INFO] [stdout]   --> src/parsers/smtlib.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn sample() -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "d801343f560f5cfc5cc3b780be22b8cd3f93de6847e71647bbca424475639b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d801343f560f5cfc5cc3b780be22b8cd3f93de6847e71647bbca424475639b94", kill_on_drop: false }`
[INFO] [stdout] d801343f560f5cfc5cc3b780be22b8cd3f93de6847e71647bbca424475639b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 2470397818be2718b9063c8d8f319f143e887654cb21e258f4eacbea1c645309
[INFO] running `Command { std: "docker" "start" "-a" "2470397818be2718b9063c8d8f319f143e887654cb21e258f4eacbea1c645309", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Cons`
[INFO] [stderr]   --> src/parsers/smtlib.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     use lexpr::{Cons, Value};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sample`
[INFO] [stderr]   --> src/parsers/smtlib.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn sample() -> String {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcircuit` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcircuit-2980443de631cd0d)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::tests::test_size_hinting ... ok
[INFO] [stdout] test tests::tests::test_translation_combine_operations ... ok
[INFO] [stdout] test parsers::blif::tests::test_io_parsing ... ok
[INFO] [stdout] test tests::tests::test_with_inputs ... ok
[INFO] [stdout] test tests::tests::test_simple_eval ... ok
[INFO] [stdout] test tests::tests::test_io_combine_operations ... ok
[INFO] [stdout] test tests::tests::test_b_to_a ... ok
[INFO] [stdout] test parsers::smtlib::test::test_sample2 ... ok
[INFO] [stdout] test parsers::blif::tests::test_subcircuit_parsing ... ok
[INFO] [stdout] test parsers::blif::tests::test_gate_parsing ... ok
[INFO] [stdout] test tests::tests::test_translation_operations ... ok
[INFO] [stderr]    Doc-tests mcircuit
[INFO] [stdout] test tests::tests::test_io_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[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" "2470397818be2718b9063c8d8f319f143e887654cb21e258f4eacbea1c645309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2470397818be2718b9063c8d8f319f143e887654cb21e258f4eacbea1c645309", kill_on_drop: false }`
[INFO] [stdout] 2470397818be2718b9063c8d8f319f143e887654cb21e258f4eacbea1c645309