[INFO] cloning repository https://github.com/nifey/urp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nifey/urp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnifey%2Furp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnifey%2Furp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7cb9787317e253e1fcc7da1ef6ab29a2cccd127e [INFO] testing nifey/urp against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnifey%2Furp" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nifey/urp on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nifey/urp [INFO] finished tweaking git repo https://github.com/nifey/urp [INFO] tweaked toml for git repo https://github.com/nifey/urp written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/nifey/urp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e86610a0c5975c6670ab0a5c68564e538d4a3ccb8692a0143d1d4beae1b8b462 [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" "e86610a0c5975c6670ab0a5c68564e538d4a3ccb8692a0143d1d4beae1b8b462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e86610a0c5975c6670ab0a5c68564e538d4a3ccb8692a0143d1d4beae1b8b462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e86610a0c5975c6670ab0a5c68564e538d4a3ccb8692a0143d1d4beae1b8b462", kill_on_drop: false }` [INFO] [stdout] e86610a0c5975c6670ab0a5c68564e538d4a3ccb8692a0143d1d4beae1b8b462 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca8acf0218fe3c44c8a101d2e62f474c2cc6e0c07f4c56b09f2939a184d3d2a1 [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" "ca8acf0218fe3c44c8a101d2e62f474c2cc6e0c07f4c56b09f2939a184d3d2a1", kill_on_drop: false }` [INFO] [stderr] Compiling urp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/cubelist.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 293 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:103:21 [INFO] [stdout] | [INFO] [stdout] 102 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 103 | index.insert(output, cubelist_1.and(cubelist_2)); [INFO] [stdout] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 86 | if let Some(cubelist_1) = index.get(&input) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 87 | index.insert(output, cubelist_1.complement()); [INFO] [stdout] | ^^^^^ ---------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 121 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 122 | index.insert(output, cubelist_1.or(cubelist_2)); [INFO] [stdout] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | file.read_to_string(&mut contents); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | write!(f, "{} ", non_dont_care_count); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | write!(f, "{} ", (i + 1)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | write!(f, "{} ", -((i + 1) as i32)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | write!(output_file, "{}", self); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:282:13 [INFO] [stdout] | [INFO] [stdout] 282 | writeln!(f, "{}", self.0[0].len()); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:283:13 [INFO] [stdout] | [INFO] [stdout] 283 | writeln!(f, "{}", self.0.len()); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:285:17 [INFO] [stdout] | [INFO] [stdout] 285 | writeln!(f, "{}", cube); [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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.66s [INFO] running `Command { std: "docker" "inspect" "ca8acf0218fe3c44c8a101d2e62f474c2cc6e0c07f4c56b09f2939a184d3d2a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca8acf0218fe3c44c8a101d2e62f474c2cc6e0c07f4c56b09f2939a184d3d2a1", kill_on_drop: false }` [INFO] [stdout] ca8acf0218fe3c44c8a101d2e62f474c2cc6e0c07f4c56b09f2939a184d3d2a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 758aec1147514b753a0d278a10ddfb905324d86e5aa6a2792e25978eab378312 [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" "758aec1147514b753a0d278a10ddfb905324d86e5aa6a2792e25978eab378312", kill_on_drop: false }` [INFO] [stderr] Compiling urp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:103:21 [INFO] [stdout] | [INFO] [stdout] 102 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 103 | index.insert(output, cubelist_1.and(cubelist_2)); [INFO] [stdout] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 86 | if let Some(cubelist_1) = index.get(&input) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 87 | index.insert(output, cubelist_1.complement()); [INFO] [stdout] | ^^^^^ ---------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 121 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 122 | index.insert(output, cubelist_1.or(cubelist_2)); [INFO] [stdout] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cube.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut cube_y = Cube::from(vec![1, 0, -1]); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cube.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut cube_x = Cube::from(vec![1, 0, 0]); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cube.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | let mut cube_z = Cube::from(vec![1, 0, -1]); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | file.read_to_string(&mut contents); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | write!(f, "{} ", non_dont_care_count); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | write!(f, "{} ", (i + 1)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | write!(f, "{} ", -((i + 1) as i32)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | reader.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | write!(output_file, "{}", self); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:282:13 [INFO] [stdout] | [INFO] [stdout] 282 | writeln!(f, "{}", self.0[0].len()); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:283:13 [INFO] [stdout] | [INFO] [stdout] 283 | writeln!(f, "{}", self.0.len()); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cubelist.rs:285:17 [INFO] [stdout] | [INFO] [stdout] 285 | writeln!(f, "{}", cube); [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: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "758aec1147514b753a0d278a10ddfb905324d86e5aa6a2792e25978eab378312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "758aec1147514b753a0d278a10ddfb905324d86e5aa6a2792e25978eab378312", kill_on_drop: false }` [INFO] [stdout] 758aec1147514b753a0d278a10ddfb905324d86e5aa6a2792e25978eab378312 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 57368be45b4516a1941eeb49c297425adedc29b79d0c25923e58b3570bbe2c8d [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" "57368be45b4516a1941eeb49c297425adedc29b79d0c25923e58b3570bbe2c8d", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:103:21 [INFO] [stderr] | [INFO] [stderr] 102 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 103 | index.insert(output, cubelist_1.and(cubelist_2)); [INFO] [stderr] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 86 | if let Some(cubelist_1) = index.get(&input) { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 87 | index.insert(output, cubelist_1.complement()); [INFO] [stderr] | ^^^^^ ---------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*index` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:122:21 [INFO] [stderr] | [INFO] [stderr] 121 | if let Some(cubelist_2) = index.get(&input2) { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 122 | index.insert(output, cubelist_1.or(cubelist_2)); [INFO] [stderr] | ^^^^^ mutable borrow occurs here ---------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cube.rs:182:13 [INFO] [stderr] | [INFO] [stderr] 182 | let mut cube_y = Cube::from(vec![1, 0, -1]); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cube.rs:212:13 [INFO] [stderr] | [INFO] [stderr] 212 | let mut cube_x = Cube::from(vec![1, 0, 0]); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cube.rs:214:13 [INFO] [stderr] | [INFO] [stderr] 214 | let mut cube_z = Cube::from(vec![1, 0, -1]); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cube.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | write!(f, "{} ", non_dont_care_count); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cube.rs:139:17 [INFO] [stderr] | [INFO] [stderr] 139 | write!(f, "{} ", (i + 1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cube.rs:141:17 [INFO] [stderr] | [INFO] [stderr] 141 | write!(f, "{} ", -((i + 1) as i32)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | reader.read_line(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | reader.read_line(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | reader.read_line(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | write!(output_file, "{}", self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:282:13 [INFO] [stderr] | [INFO] [stderr] 282 | writeln!(f, "{}", self.0[0].len()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | writeln!(f, "{}", self.0.len()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cubelist.rs:285:17 [INFO] [stderr] | [INFO] [stderr] 285 | writeln!(f, "{}", cube); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/urp-c826804b73f0139c [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test cube::test::and ... ok [INFO] [stdout] test cube::test::complement ... ok [INFO] [stdout] test cube::test::set_variable ... ok [INFO] [stdout] test cube::test::create_new_cube ... ok [INFO] [stdout] test cube::test::cube_equal ... ok [INFO] [stdout] test cubelist::test::cubelist_from_vec_vec_i32_and_contains_cube ... ok [INFO] [stdout] test cubelist::test::cofactor ... ok [INFO] [stdout] test cubelist::test::is_tautology ... ok [INFO] [stdout] test cube::test::from_vector ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "57368be45b4516a1941eeb49c297425adedc29b79d0c25923e58b3570bbe2c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57368be45b4516a1941eeb49c297425adedc29b79d0c25923e58b3570bbe2c8d", kill_on_drop: false }` [INFO] [stdout] 57368be45b4516a1941eeb49c297425adedc29b79d0c25923e58b3570bbe2c8d