[INFO] cloning repository https://github.com/gifnksm/srither
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gifnksm/srither" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2Fsrither", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2Fsrither'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae9d98b79648d6723db513de4373d7bc27a5338
[INFO] checking gifnksm/srither against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2Fsrither" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gifnksm/srither on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gifnksm/srither
[INFO] finished tweaking git repo https://github.com/gifnksm/srither
[INFO] tweaked toml for git repo https://github.com/gifnksm/srither written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gifnksm/srither already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3f71ee03ec98ee28b662dc9413993f151e7c0029593bbe4d184fe10fbaf9c6e
[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" "a3f71ee03ec98ee28b662dc9413993f151e7c0029593bbe4d184fe10fbaf9c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f71ee03ec98ee28b662dc9413993f151e7c0029593bbe4d184fe10fbaf9c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f71ee03ec98ee28b662dc9413993f151e7c0029593bbe4d184fe10fbaf9c6e", kill_on_drop: false }`
[INFO] [stdout] a3f71ee03ec98ee28b662dc9413993f151e7c0029593bbe4d184fe10fbaf9c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c20751e468ae9980ec38d315850de3c08517425f7417c985c6ab913994cae08c
[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" "c20751e468ae9980ec38d315850de3c08517425f7417c985c6ab913994cae08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking board-game-geom v0.1.2
[INFO] [stderr]     Checking union-find v0.3.2
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking srither-core v0.1.0 (/opt/rustwide/workdir/srither-core)
[INFO] [stdout] error: extern crate `board_game_geom` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> srither-core/src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub use board_game_geom as geom;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> srither-core/src/puzzle.rs:188:32
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:255:22
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let parser = try!(LatticeParser::from_lines(&mat));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:370:38
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 Some(Edge::Cross) => try!(write!(f, "x")),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:371:37
[INFO] [stdout]     |
[INFO] [stdout] 371 |                 Some(Edge::Line) => try!(write!(f, "-")),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:372:25
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 None => try!(write!(f, " ")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:383:38
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 Some(Edge::Cross) => try!(write!(f, "x")),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:384:37
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 Some(Edge::Line) => try!(write!(f, "|")),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:385:25
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 None => try!(write!(f, " ")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:397:17
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 try!(write!(f, "{}", Cross));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(write!(f, "{}", HEdge(puzzle, p)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:400:13
[INFO] [stdout]     |
[INFO] [stdout] 400 |             try!(write!(f, "{}", Cross));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 try!(write!(f, "{}", VEdge(puzzle, p)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:413:32
[INFO] [stdout]     |
[INFO] [stdout] 413 |                     Some(n) => try!(write!(f, "{}", n)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:414:29
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     None => try!(write!(f, " ")),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |             try!(write!(f, "{}", VEdge(puzzle, Point(r, puzzle.column()))));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 try!(writeln!(f, "{}", EdgeRow(self, r)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 try!(writeln!(f, "{}", CellRow(self, r)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> srither-core/src/puzzle.rs:428:13
[INFO] [stdout]     |
[INFO] [stdout] 428 |             try!(writeln!(f, "{}", EdgeRow(self, self.row())));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> srither-core/src/lattice_parser.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> srither-core/src/puzzle.rs:185:33
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Lattice(ref e) => e.description(),
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> srither-core/src/puzzle.rs:199:14
[INFO] [stdout]     |
[INFO] [stdout] 199 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srither-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c20751e468ae9980ec38d315850de3c08517425f7417c985c6ab913994cae08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20751e468ae9980ec38d315850de3c08517425f7417c985c6ab913994cae08c", kill_on_drop: false }`
[INFO] [stdout] c20751e468ae9980ec38d315850de3c08517425f7417c985c6ab913994cae08c