[INFO] fetching crate xc2par 0.0.1...
[INFO] checking xc2par-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate xc2par 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate xc2par 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xc2par 0.0.1
[INFO] finished tweaking crates.io crate xc2par 0.0.1
[INFO] tweaked toml for crates.io crate xc2par 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jedec v0.0.2
[INFO] [stderr]   Downloaded bittwiddler v0.0.1
[INFO] [stderr]   Downloaded xc2bit v0.0.3
[INFO] [stderr]   Downloaded yosys-netlist-json v0.0.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4eba3eac0fb4eb27c03a95ef93f3f247726e6de045b16c92e9db9110efba86c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b4eba3eac0fb4eb27c03a95ef93f3f247726e6de045b16c92e9db9110efba86c"`
[INFO] [stderr]    Compiling xc2bit v0.0.3
[INFO] [stderr]    Compiling xc2par v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking jedec v0.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> build.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> build.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stderr]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> build.rs:20:48
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stderr]    |                                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]    Compiling bittwiddler v0.0.1
[INFO] [stderr]     Checking yosys-netlist-json v0.0.2
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/compiler_driver.rs:105:32
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/frontend.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/frontend.rs:1001:32
[INFO] [stderr]      |
[INFO] [stderr] 1001 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]      |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/netlist.rs:200:82
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/netlist.rs:347:32
[INFO] [stderr]     |
[INFO] [stderr] 347 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objpool.rs:67:82
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/compiler_driver.rs:105:32
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/frontend.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/frontend.rs:1001:32
[INFO] [stderr]      |
[INFO] [stderr] 1001 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]      |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/netlist.rs:200:82
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/netlist.rs:347:32
[INFO] [stderr]     |
[INFO] [stderr] 347 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objpool.rs:67:82
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/compiler_driver.rs:132:38
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 write!(f, "{}", self.cause().unwrap())
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/compiler_driver.rs:132:38
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 write!(f, "{}", self.cause().unwrap())
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/frontend.rs:1095:5
[INFO] [stderr]      |
[INFO] [stderr] 1095 |     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:1439:5
[INFO] [stderr]      |
[INFO] [stderr] 1439 |     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:1288:5
[INFO] [stderr]      |
[INFO] [stderr] 1288 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/xc2par.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     '0'...'9' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:139:24
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     'a'...'f' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     'A'...'F' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/xc2par.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     '0'...'9' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:139:24
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     'a'...'f' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/xc2par.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     'A'...'F' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.08s
[INFO] running `"docker" "inspect" "b4eba3eac0fb4eb27c03a95ef93f3f247726e6de045b16c92e9db9110efba86c"`
[INFO] running `"docker" "rm" "-f" "b4eba3eac0fb4eb27c03a95ef93f3f247726e6de045b16c92e9db9110efba86c"`
[INFO] [stdout] b4eba3eac0fb4eb27c03a95ef93f3f247726e6de045b16c92e9db9110efba86c