[INFO] crate zero_sum 1.2.0 is already in cache
[INFO] testing zero_sum-1.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate zero_sum 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zero_sum 1.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zero_sum 1.2.0
[INFO] finished tweaking crates.io crate zero_sum 1.2.0
[INFO] tweaked toml for crates.io crate zero_sum 1.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6ccd6667c4976df929c81a369d4c8cbae7be7076e6fc575e44306e9cc24de5
[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" "7b6ccd6667c4976df929c81a369d4c8cbae7be7076e6fc575e44306e9cc24de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6ccd6667c4976df929c81a369d4c8cbae7be7076e6fc575e44306e9cc24de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6ccd6667c4976df929c81a369d4c8cbae7be7076e6fc575e44306e9cc24de5", kill_on_drop: false }`
[INFO] [stdout] 7b6ccd6667c4976df929c81a369d4c8cbae7be7076e6fc575e44306e9cc24de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a98eb128f9304e4c49b946dacc8eeafe57c575e83ca2c63651bba9e8877ad2b
[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" "5a98eb128f9304e4c49b946dacc8eeafe57c575e83ca2c63651bba9e8877ad2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zero_sum v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         try!(write!(f, "State: {}\n", self.state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(write!(f, "Resultant State: {}\n", result));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(write!(f, "Evaluation: {}{}", self.evaluation, if self.evaluation.is_end() {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         try!(write!(f, "Principal Variation:"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             try!(write!(f, "\n  {}", ply));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(write!(f, "\nStatistics:\n{}", self.statistics));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             try!(write!(f, "\n  {0:1$}", format!("Max Depth {}:", i + 1), title_width + 2));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:159:21
[INFO] [stdout]     |
[INFO] [stdout] 159 |                     try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(write!(f, "\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(write!(f, "\n  {0:1$}", "Totals:", title_width + 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "  {0:>1$}", "Total", final_totals_width));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(write!(f, "  {0:>1$}", final_totals[j], final_totals_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/search/mod.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn as_any(&self) -> &Any;
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/search/mod.rs:78:77
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis>;
[INFO] [stdout]    |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:336:77
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis> {
[INFO] [stdout]     |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:468:26
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn as_any(&self) -> &Any {
[INFO] [stdout]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero_sum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5a98eb128f9304e4c49b946dacc8eeafe57c575e83ca2c63651bba9e8877ad2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a98eb128f9304e4c49b946dacc8eeafe57c575e83ca2c63651bba9e8877ad2b", kill_on_drop: false }`
[INFO] [stdout] 5a98eb128f9304e4c49b946dacc8eeafe57c575e83ca2c63651bba9e8877ad2b