[INFO] cloning repository https://github.com/oYOvOYo/Rust.Playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oYOvOYo/Rust.Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoYOvOYo%2FRust.Playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoYOvOYo%2FRust.Playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4eb023e514b177b1fbbe74c078dbe062119996a [INFO] checking oYOvOYo/Rust.Playground against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoYOvOYo%2FRust.Playground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oYOvOYo/Rust.Playground on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oYOvOYo/Rust.Playground [INFO] finished tweaking git repo https://github.com/oYOvOYo/Rust.Playground [INFO] tweaked toml for git repo https://github.com/oYOvOYo/Rust.Playground written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/oYOvOYo/Rust.Playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/bjz/glfw-rs.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded protobuf v2.25.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63974a2d6a4a3a25cebbcfe67579c492b958144c72b0c3d7a6054b6013056950 [INFO] running `Command { std: "docker" "start" "-a" "63974a2d6a4a3a25cebbcfe67579c492b958144c72b0c3d7a6054b6013056950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63974a2d6a4a3a25cebbcfe67579c492b958144c72b0c3d7a6054b6013056950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63974a2d6a4a3a25cebbcfe67579c492b958144c72b0c3d7a6054b6013056950", kill_on_drop: false }` [INFO] [stdout] 63974a2d6a4a3a25cebbcfe67579c492b958144c72b0c3d7a6054b6013056950 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd974040cffd132715461a4c66cc11722120fb13726c49ff0363a9dd8305dbb5 [INFO] running `Command { std: "docker" "start" "-a" "cd974040cffd132715461a4c66cc11722120fb13726c49ff0363a9dd8305dbb5", kill_on_drop: false }` [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling protobuf v2.25.2 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling engine v0.1.0 (/opt/rustwide/workdir/engine) [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode) [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking glfw v0.41.0 (https://github.com/bjz/glfw-rs.git#563785d4) [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Checking config v0.1.0 (/opt/rustwide/workdir/config) [INFO] [stdout] warning: the item `gl` is imported redundantly [INFO] [stdout] --> engine/src/doing.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use gl; [INFO] [stdout] | ^^ the item `gl` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `glfw` is imported redundantly [INFO] [stdout] --> engine/src/doing.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use glfw; [INFO] [stdout] | ^^^^ the item `glfw` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `engine` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use engine; [INFO] [stdout] | ^^^^^^ the item `engine` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `engine` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use engine; [INFO] [stdout] | ^^^^^^ the item `engine` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s [INFO] running `Command { std: "docker" "inspect" "cd974040cffd132715461a4c66cc11722120fb13726c49ff0363a9dd8305dbb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd974040cffd132715461a4c66cc11722120fb13726c49ff0363a9dd8305dbb5", kill_on_drop: false }` [INFO] [stdout] cd974040cffd132715461a4c66cc11722120fb13726c49ff0363a9dd8305dbb5 [INFO] checking oYOvOYo/Rust.Playground against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoYOvOYo%2FRust.Playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oYOvOYo/Rust.Playground on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oYOvOYo/Rust.Playground [INFO] finished tweaking git repo https://github.com/oYOvOYo/Rust.Playground [INFO] tweaked toml for git repo https://github.com/oYOvOYo/Rust.Playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/oYOvOYo/Rust.Playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6587ca78cca3facdb25317b4ec2ffe827de5dda118fd0e674a421f759bf9a39b [INFO] running `Command { std: "docker" "start" "-a" "6587ca78cca3facdb25317b4ec2ffe827de5dda118fd0e674a421f759bf9a39b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6587ca78cca3facdb25317b4ec2ffe827de5dda118fd0e674a421f759bf9a39b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6587ca78cca3facdb25317b4ec2ffe827de5dda118fd0e674a421f759bf9a39b", kill_on_drop: false }` [INFO] [stdout] 6587ca78cca3facdb25317b4ec2ffe827de5dda118fd0e674a421f759bf9a39b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccbed6600205367a9b2f468ab1d0a997b0d1bf1285a901513103b12f7eb2a493 [INFO] running `Command { std: "docker" "start" "-a" "ccbed6600205367a9b2f468ab1d0a997b0d1bf1285a901513103b12f7eb2a493", kill_on_drop: false }` [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling protobuf v2.25.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Compiling engine v0.1.0 (/opt/rustwide/workdir/engine) [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode) [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking glfw v0.41.0 (https://github.com/bjz/glfw-rs.git#563785d4) [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Checking config v0.1.0 (/opt/rustwide/workdir/config) [INFO] [stdout] warning: the item `gl` is imported redundantly [INFO] [stdout] --> engine/src/doing.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use gl; [INFO] [stdout] | ^^ the item `gl` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `glfw` is imported redundantly [INFO] [stdout] --> engine/src/doing.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use glfw; [INFO] [stdout] | ^^^^ the item `glfw` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `engine` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use engine; [INFO] [stdout] | ^^^^^^ the item `engine` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `engine` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use engine; [INFO] [stdout] | ^^^^^^ the item `engine` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.14s [INFO] running `Command { std: "docker" "inspect" "ccbed6600205367a9b2f468ab1d0a997b0d1bf1285a901513103b12f7eb2a493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccbed6600205367a9b2f468ab1d0a997b0d1bf1285a901513103b12f7eb2a493", kill_on_drop: false }` [INFO] [stdout] ccbed6600205367a9b2f468ab1d0a997b0d1bf1285a901513103b12f7eb2a493