[INFO] fetching crate puzzle_cube 0.1.3... [INFO] testing puzzle_cube-0.1.3 against 1.49.0 for beta-1.50-1 [INFO] extracting crate puzzle_cube 0.1.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate puzzle_cube 0.1.3 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate puzzle_cube 0.1.3 [INFO] finished tweaking crates.io crate puzzle_cube 0.1.3 [INFO] tweaked toml for crates.io crate puzzle_cube 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate puzzle_cube 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e39d74854d5f592d98c623fe66e539b2c3ed9111e17cc62efeb7bbf49b4468e2 [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" "e39d74854d5f592d98c623fe66e539b2c3ed9111e17cc62efeb7bbf49b4468e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e39d74854d5f592d98c623fe66e539b2c3ed9111e17cc62efeb7bbf49b4468e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e39d74854d5f592d98c623fe66e539b2c3ed9111e17cc62efeb7bbf49b4468e2", kill_on_drop: false }` [INFO] [stdout] e39d74854d5f592d98c623fe66e539b2c3ed9111e17cc62efeb7bbf49b4468e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b8f005999f5a1dc630fe3cdfdfc5e128de4d4ebb7fc07cbcfff025ce548e014 [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" "9b8f005999f5a1dc630fe3cdfdfc5e128de4d4ebb7fc07cbcfff025ce548e014", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling getch v0.2.1 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling puzzle_cube v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/cube.rs:435:23 [INFO] [stdout] | [INFO] [stdout] 435 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:142:21 [INFO] [stdout] | [INFO] [stdout] 142 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:146:21 [INFO] [stdout] | [INFO] [stdout] 146 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | let input = str::from_utf8(get).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 464 | write!(&mut stdout, "\u{25A0} "); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.35s [INFO] running `Command { std: "docker" "inspect" "9b8f005999f5a1dc630fe3cdfdfc5e128de4d4ebb7fc07cbcfff025ce548e014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b8f005999f5a1dc630fe3cdfdfc5e128de4d4ebb7fc07cbcfff025ce548e014", kill_on_drop: false }` [INFO] [stdout] 9b8f005999f5a1dc630fe3cdfdfc5e128de4d4ebb7fc07cbcfff025ce548e014 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f918b0f788894a1866bf5b0f8f022a4b6a392df9bae3b7b1066f29fcd3fa282 [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" "9f918b0f788894a1866bf5b0f8f022a4b6a392df9bae3b7b1066f29fcd3fa282", kill_on_drop: false }` [INFO] [stderr] Compiling puzzle_cube v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/cube.rs:435:23 [INFO] [stdout] | [INFO] [stdout] 435 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:142:21 [INFO] [stdout] | [INFO] [stdout] 142 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:146:21 [INFO] [stdout] | [INFO] [stdout] 146 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | let input = str::from_utf8(get).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cube.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 464 | write!(&mut stdout, "\u{25A0} "); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "9f918b0f788894a1866bf5b0f8f022a4b6a392df9bae3b7b1066f29fcd3fa282", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f918b0f788894a1866bf5b0f8f022a4b6a392df9bae3b7b1066f29fcd3fa282", kill_on_drop: false }` [INFO] [stdout] 9f918b0f788894a1866bf5b0f8f022a4b6a392df9bae3b7b1066f29fcd3fa282 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", 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] b5ea4975dcf6005b7b9fc72a1ceb06c6e43f4f498afa7aae8ea2230c823d38f2 [INFO] running `Command { std: "docker" "start" "-a" "b5ea4975dcf6005b7b9fc72a1ceb06c6e43f4f498afa7aae8ea2230c823d38f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/cube.rs:435:23 [INFO] [stderr] | [INFO] [stderr] 435 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `self` [INFO] [stderr] --> src/main.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/cube.rs:461:13 [INFO] [stderr] | [INFO] [stderr] 461 | _ => (), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `selected` is never read [INFO] [stderr] --> src/main.rs:142:21 [INFO] [stderr] | [INFO] [stderr] 142 | selected = true; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `selected` is never read [INFO] [stderr] --> src/main.rs:146:21 [INFO] [stderr] | [INFO] [stderr] 146 | selected = true; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/main.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | let input = str::from_utf8(get).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cube.rs:464:9 [INFO] [stderr] | [INFO] [stderr] 464 | write!(&mut stdout, "\u{25A0} "); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/puzzle_cube-b1d2d4052f230c0c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b5ea4975dcf6005b7b9fc72a1ceb06c6e43f4f498afa7aae8ea2230c823d38f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5ea4975dcf6005b7b9fc72a1ceb06c6e43f4f498afa7aae8ea2230c823d38f2", kill_on_drop: false }` [INFO] [stdout] b5ea4975dcf6005b7b9fc72a1ceb06c6e43f4f498afa7aae8ea2230c823d38f2