[INFO] updating cached repository https://github.com/ftilde/ugdb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db6043b765017ff712701ca3854d4d5fe04cd0e4
[INFO] checking ftilde/ugdb against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftilde/ugdb on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ftilde/ugdb
[INFO] finished tweaking git repo https://github.com/ftilde/ugdb
[INFO] tweaked toml for git repo https://github.com/ftilde/ugdb written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ftilde/ugdb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cad020f062fbce8d7c8dda238444cccf489ea1832f67fdd18f9455b8ad9cc80d
[INFO] running `"docker" "start" "-a" "cad020f062fbce8d7c8dda238444cccf489ea1832f67fdd18f9455b8ad9cc80d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking chan-signal v0.3.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking flexi_logger v0.11.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking unsegen v0.2.2
[INFO] [stderr]     Checking unsegen_signals v0.2.0
[INFO] [stderr]     Checking unsegen_jsonviewer v0.2.0
[INFO] [stderr]     Checking unsegen_terminal v0.2.0
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]     Checking unsegen_pager v0.2.0
[INFO] [stderr]    Compiling ugdb v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2134:5
[INFO] [stderr]      |
[INFO] [stderr] 2134 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2240:5
[INFO] [stderr]      |
[INFO] [stderr] 2240 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2248:5
[INFO] [stderr]      |
[INFO] [stderr] 2248 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2292:5
[INFO] [stderr]      |
[INFO] [stderr] 2292 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2318:5
[INFO] [stderr]      |
[INFO] [stderr] 2318 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2134:5
[INFO] [stderr]      |
[INFO] [stderr] 2134 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2240:5
[INFO] [stderr]      |
[INFO] [stderr] 2240 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2248:5
[INFO] [stderr]      |
[INFO] [stderr] 2248 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2292:5
[INFO] [stderr]      |
[INFO] [stderr] 2292 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/ugdb-9d4ef35f7f295a5d/out/gdb_expression_parsing/parser.rs:2318:5
[INFO] [stderr]      |
[INFO] [stderr] 2318 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 .map_err(|e| e.description().to_string())?;
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 .map_err(|e| e.description().to_string())?;
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stderr]    |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 .map_err(|e| e.description().to_string())?;
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 .map_err(|e| e.description().to_string())?;
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/gdbmi/commands.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stderr]    |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 37s
[INFO] running `"docker" "inspect" "cad020f062fbce8d7c8dda238444cccf489ea1832f67fdd18f9455b8ad9cc80d"`
[INFO] running `"docker" "rm" "-f" "cad020f062fbce8d7c8dda238444cccf489ea1832f67fdd18f9455b8ad9cc80d"`
[INFO] [stdout] cad020f062fbce8d7c8dda238444cccf489ea1832f67fdd18f9455b8ad9cc80d