[INFO] updating cached repository https://github.com/ianhuezo/rust_room_gen [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] From https://github.com/ianhuezo/rust_room_gen [INFO] [stderr] 091fb5b..1434292 master -> master [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1434292d07628644fac2c962a1c004c08cdc91d9 [INFO] checking ianhuezo/rust_room_gen against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhuezo%2Frust_room_gen" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ianhuezo/rust_room_gen on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ianhuezo/rust_room_gen [INFO] finished tweaking git repo https://github.com/ianhuezo/rust_room_gen [INFO] tweaked toml for git repo https://github.com/ianhuezo/rust_room_gen written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/ianhuezo/rust_room_gen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] bccca5e374dcc49d899b7c5850a3ef32c1bb1766e2569ab69296c8585ee09a6d [INFO] running `Command { std: "docker" "start" "-a" "bccca5e374dcc49d899b7c5850a3ef32c1bb1766e2569ab69296c8585ee09a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bccca5e374dcc49d899b7c5850a3ef32c1bb1766e2569ab69296c8585ee09a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bccca5e374dcc49d899b7c5850a3ef32c1bb1766e2569ab69296c8585ee09a6d", kill_on_drop: false }` [INFO] [stdout] bccca5e374dcc49d899b7c5850a3ef32c1bb1766e2569ab69296c8585ee09a6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02174c8514d31f216911fe9a80bdc22e656c7aa4afddf38c83f0ea4ea7cbbf2f [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" "02174c8514d31f216911fe9a80bdc22e656c7aa4afddf38c83f0ea4ea7cbbf2f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-integer v0.1.43 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking rust_room_generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::hash_map::*` [INFO] [stdout] --> src/structures/rooms.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::hash_map::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structures::globals::Position` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use structures::globals::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structures::rooms::Room` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use structures::rooms::Room; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_number` [INFO] [stdout] --> src/structures/universe.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn generate_rooms(room_number: usize) {} [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::*` [INFO] [stdout] --> src/structures/rooms.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::hash_map::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structures::globals::Position` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use structures::globals::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structures::rooms::Room` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use structures::rooms::Room; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/structures/rooms.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | start: Position, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stop` [INFO] [stdout] --> src/structures/rooms.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | stop: Position, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_room` [INFO] [stdout] --> src/structures/universe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | current_room: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_rooms` [INFO] [stdout] --> src/structures/universe.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn generate_rooms(room_number: usize) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/structures/universe.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | write!(file, "{} ", cell.to_char()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/structures/universe.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | write!(file, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_number` [INFO] [stdout] --> src/structures/universe.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn generate_rooms(room_number: usize) {} [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/structures/rooms.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | start: Position, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stop` [INFO] [stdout] --> src/structures/rooms.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | stop: Position, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_room` [INFO] [stdout] --> src/structures/universe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | current_room: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_rooms` [INFO] [stdout] --> src/structures/universe.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn generate_rooms(room_number: usize) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/structures/universe.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | write!(file, "{} ", cell.to_char()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/structures/universe.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | write!(file, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.94s [INFO] running `Command { std: "docker" "inspect" "02174c8514d31f216911fe9a80bdc22e656c7aa4afddf38c83f0ea4ea7cbbf2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02174c8514d31f216911fe9a80bdc22e656c7aa4afddf38c83f0ea4ea7cbbf2f", kill_on_drop: false }` [INFO] [stdout] 02174c8514d31f216911fe9a80bdc22e656c7aa4afddf38c83f0ea4ea7cbbf2f