[INFO] fetching crate xc2par 0.0.2...
[INFO] testing xc2par-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xc2par 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xc2par 0.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xc2par 0.0.2
[INFO] finished tweaking crates.io crate xc2par 0.0.2
[INFO] tweaked toml for crates.io crate xc2par 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate xc2par 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a4ebe2f99d5fd71d4bd9c8dfd935c291621233170fc5e1cf3f864522accf423
[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" "9a4ebe2f99d5fd71d4bd9c8dfd935c291621233170fc5e1cf3f864522accf423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a4ebe2f99d5fd71d4bd9c8dfd935c291621233170fc5e1cf3f864522accf423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4ebe2f99d5fd71d4bd9c8dfd935c291621233170fc5e1cf3f864522accf423", kill_on_drop: false }`
[INFO] [stdout] 9a4ebe2f99d5fd71d4bd9c8dfd935c291621233170fc5e1cf3f864522accf423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91727228c33ef369637b9eefcc431b28f264ecf63daddc6ef434f3e42695a334
[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" "91727228c33ef369637b9eefcc431b28f264ecf63daddc6ef434f3e42695a334", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling xc2bit v0.0.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling xc2par v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jedec v0.0.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling bittwiddler v0.0.2
[INFO] [stderr]    Compiling yosys-netlist-json v0.0.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.81s
[INFO] running `Command { std: "docker" "inspect" "91727228c33ef369637b9eefcc431b28f264ecf63daddc6ef434f3e42695a334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91727228c33ef369637b9eefcc431b28f264ecf63daddc6ef434f3e42695a334", kill_on_drop: false }`
[INFO] [stdout] 91727228c33ef369637b9eefcc431b28f264ecf63daddc6ef434f3e42695a334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] e8becdc436ec485e2e17f50f63ce8ec9008710e7cee33b4471cbda438e6175c4
[INFO] running `Command { std: "docker" "start" "-a" "e8becdc436ec485e2e17f50f63ce8ec9008710e7cee33b4471cbda438e6175c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling xc2par v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run_one_reftest`
[INFO] [stdout]     --> src/frontend.rs:1097:8
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_one_reftest`
[INFO] [stdout]     --> src/engine.rs:1549:8
[INFO] [stdout]      |
[INFO] [stdout] 1549 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_one_reftest`
[INFO] [stdout]     --> src/netlist.rs:1393:8
[INFO] [stdout]      |
[INFO] [stdout] 1393 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "e8becdc436ec485e2e17f50f63ce8ec9008710e7cee33b4471cbda438e6175c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8becdc436ec485e2e17f50f63ce8ec9008710e7cee33b4471cbda438e6175c4", kill_on_drop: false }`
[INFO] [stdout] e8becdc436ec485e2e17f50f63ce8ec9008710e7cee33b4471cbda438e6175c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6d64c5e35517d8321cde624493a8f7d9a89ddea949934425b15eceedbc3e2c6
[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" "f6d64c5e35517d8321cde624493a8f7d9a89ddea949934425b15eceedbc3e2c6", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/frontend.rs:1097:8
[INFO] [stderr]      |
[INFO] [stderr] 1097 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/engine.rs:1549:8
[INFO] [stderr]      |
[INFO] [stderr] 1549 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/netlist.rs:1393:8
[INFO] [stderr]      |
[INFO] [stderr] 1393 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xc2par-64ce565c8c2d64b1
[INFO] [stdout] running 1 test
[INFO] [stdout] test objpool::tests::objpool_basic_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/demo_driver-3725344108717eb2
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/inputgraph_json_par-af0834d49ada6d52
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/intermed_json_to_inputgraph_json-0cdfc246982a2fc7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xc2par-4caa64852a29669a
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yosys_json_to_intermed_json-c91179ce01bce170
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xc2par
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6d64c5e35517d8321cde624493a8f7d9a89ddea949934425b15eceedbc3e2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d64c5e35517d8321cde624493a8f7d9a89ddea949934425b15eceedbc3e2c6", kill_on_drop: false }`
[INFO] [stdout] f6d64c5e35517d8321cde624493a8f7d9a89ddea949934425b15eceedbc3e2c6