[INFO] cloning repository https://github.com/ftriquet/rs-npuzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftriquet/rs-npuzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftriquet%2Frs-npuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftriquet%2Frs-npuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f821feb7b6b057a1f6dd62caecc93cffb08f79d
[INFO] checking ftriquet/rs-npuzzle against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftriquet%2Frs-npuzzle" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftriquet/rs-npuzzle on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ftriquet/rs-npuzzle
[INFO] finished tweaking git repo https://github.com/ftriquet/rs-npuzzle
[INFO] tweaked toml for git repo https://github.com/ftriquet/rs-npuzzle written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ftriquet/rs-npuzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] c6c9879c8562a78c68656ce792ea9eb1db7cab5e33958e2b778f8de57369f37f
[INFO] running `Command { std: "docker" "start" "-a" "c6c9879c8562a78c68656ce792ea9eb1db7cab5e33958e2b778f8de57369f37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c9879c8562a78c68656ce792ea9eb1db7cab5e33958e2b778f8de57369f37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c9879c8562a78c68656ce792ea9eb1db7cab5e33958e2b778f8de57369f37f", kill_on_drop: false }`
[INFO] [stdout] c6c9879c8562a78c68656ce792ea9eb1db7cab5e33958e2b778f8de57369f37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5ba09af00415a05be0156001e936d4d2a35f9390b099a2e2d140eb018a1e09
[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" "8e5ba09af00415a05be0156001e936d4d2a35f9390b099a2e2d140eb018a1e09", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking n-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super::heuristics`
[INFO] [stdout]    --> src/node/mod.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |     use super::heuristics;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ no `heuristics` in `node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/node/mod.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let len = try!(lines.next()
[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]    --> src/node/mod.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let len = try!(lines.next()
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/node/mod.rs:451:53
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let south = Node::permute(Direction::South, &h, &r);
[INFO] [stdout]     |                                                     ^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     expected fn pointer, found reference
[INFO] [stdout]     |                                                     help: consider removing the borrow: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `for<'r> fn(&'r Node) -> usize`
[INFO] [stdout]                 found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/node/mod.rs:453:53
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let north = Node::permute(Direction::North, &h, &r);
[INFO] [stdout]     |                                                     ^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     expected fn pointer, found reference
[INFO] [stdout]     |                                                     help: consider removing the borrow: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `for<'r> fn(&'r Node) -> usize`
[INFO] [stdout]                 found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/node/mod.rs:455:51
[INFO] [stdout]     |
[INFO] [stdout] 455 |         let west = Node::permute(Direction::West, &h, &r);
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   expected fn pointer, found reference
[INFO] [stdout]     |                                                   help: consider removing the borrow: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `for<'r> fn(&'r Node) -> usize`
[INFO] [stdout]                 found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/node/mod.rs:457:51
[INFO] [stdout]     |
[INFO] [stdout] 457 |         let east = Node::permute(Direction::East, &h, &r);
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   expected fn pointer, found reference
[INFO] [stdout]     |                                                   help: consider removing the borrow: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `for<'r> fn(&'r Node) -> usize`
[INFO] [stdout]                 found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n-puzzle`.
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8e5ba09af00415a05be0156001e936d4d2a35f9390b099a2e2d140eb018a1e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5ba09af00415a05be0156001e936d4d2a35f9390b099a2e2d140eb018a1e09", kill_on_drop: false }`
[INFO] [stdout] 8e5ba09af00415a05be0156001e936d4d2a35f9390b099a2e2d140eb018a1e09
