[INFO] fetching crate xc2par 0.0.2...
[INFO] testing xc2par-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xc2par 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xc2par 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.38
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded bittwiddler v0.0.2
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded slog v2.2.3
[INFO] [stderr]   Downloaded jedec v0.0.3
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded slog-stdlog v3.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded serde v1.0.27
[INFO] [stderr]   Downloaded yosys-netlist-json v0.0.3
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded xc2bit v0.0.4
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] a0d757e4c4a0aeeb98db6895a4c95c45bbea0f6229fb394440216c340d514a69
[INFO] running `Command { std: "docker" "start" "-a" "a0d757e4c4a0aeeb98db6895a4c95c45bbea0f6229fb394440216c340d514a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d757e4c4a0aeeb98db6895a4c95c45bbea0f6229fb394440216c340d514a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d757e4c4a0aeeb98db6895a4c95c45bbea0f6229fb394440216c340d514a69", kill_on_drop: false }`
[INFO] [stdout] a0d757e4c4a0aeeb98db6895a4c95c45bbea0f6229fb394440216c340d514a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d81653aa92fae462471740a4208a43c089b5eb0cf7d71e032ead57902e3b8a57
[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" "d81653aa92fae462471740a4208a43c089b5eb0cf7d71e032ead57902e3b8a57", 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 cfg-if v0.1.3
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling xc2bit v0.0.4
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling xc2par v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jedec v0.0.3
[INFO] [stderr]    Compiling bitflags v1.0.1
[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 thread_local v0.3.5
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling quote v0.5.2
[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 v1.0.27
[INFO] [stderr]    Compiling rand v0.3.22
[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 54.72s
[INFO] running `Command { std: "docker" "inspect" "d81653aa92fae462471740a4208a43c089b5eb0cf7d71e032ead57902e3b8a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81653aa92fae462471740a4208a43c089b5eb0cf7d71e032ead57902e3b8a57", kill_on_drop: false }`
[INFO] [stdout] d81653aa92fae462471740a4208a43c089b5eb0cf7d71e032ead57902e3b8a57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] 6d6b1fc9259480ef9897c6e0c7cc1fa347da995b622b44842156629bf6777446
[INFO] running `Command { std: "docker" "start" "-a" "6d6b1fc9259480ef9897c6e0c7cc1fa347da995b622b44842156629bf6777446", 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 5.92s
[INFO] running `Command { std: "docker" "inspect" "6d6b1fc9259480ef9897c6e0c7cc1fa347da995b622b44842156629bf6777446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6b1fc9259480ef9897c6e0c7cc1fa347da995b622b44842156629bf6777446", kill_on_drop: false }`
[INFO] [stdout] 6d6b1fc9259480ef9897c6e0c7cc1fa347da995b622b44842156629bf6777446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62c971450493207d7e1118dd76d93dbbd42045298249bd9726284677537cef39
[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" "62c971450493207d7e1118dd76d93dbbd42045298249bd9726284677537cef39", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stdout] running 1 test
[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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xc2par-cfbd7e8508560f00
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/demo_driver-555144ad60dce839
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/inputgraph_json_par-146d7b53c07464cd
[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; finished in 0.00s
[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] [stderr]      Running /opt/rustwide/target/debug/deps/intermed_json_to_inputgraph_json-2249933e8f7d3f7c
[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] [stderr]      Running /opt/rustwide/target/debug/deps/xc2par-054cb594afc8ec2d
[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] [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] [stderr]      Running /opt/rustwide/target/debug/deps/yosys_json_to_intermed_json-fffc2f76abbdedae
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xc2par
[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] [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" "62c971450493207d7e1118dd76d93dbbd42045298249bd9726284677537cef39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c971450493207d7e1118dd76d93dbbd42045298249bd9726284677537cef39", kill_on_drop: false }`
[INFO] [stdout] 62c971450493207d7e1118dd76d93dbbd42045298249bd9726284677537cef39