[INFO] cloning repository https://github.com/Ace4896/Rust-Code-Challenges [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ace4896/Rust-Code-Challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAce4896%2FRust-Code-Challenges", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAce4896%2FRust-Code-Challenges'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 250fed8f216e89e649d8a09b3c2cfc86daa40f9b [INFO] checking Ace4896/Rust-Code-Challenges against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAce4896%2FRust-Code-Challenges" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ace4896/Rust-Code-Challenges on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ace4896/Rust-Code-Challenges [INFO] finished tweaking git repo https://github.com/Ace4896/Rust-Code-Challenges [INFO] tweaked toml for git repo https://github.com/Ace4896/Rust-Code-Challenges written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ace4896/Rust-Code-Challenges 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fastrand v1.7.0 [INFO] [stderr] Downloaded redox_syscall v0.2.12 [INFO] [stderr] Downloaded tempfile v3.3.0 [INFO] [stderr] Downloaded libc v0.2.121 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd266eca916424323923408dad78ce44f3309006bbd37cb612d69ee4847c5499 [INFO] running `Command { std: "docker" "start" "-a" "cd266eca916424323923408dad78ce44f3309006bbd37cb612d69ee4847c5499", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd266eca916424323923408dad78ce44f3309006bbd37cb612d69ee4847c5499", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd266eca916424323923408dad78ce44f3309006bbd37cb612d69ee4847c5499", kill_on_drop: false }` [INFO] [stdout] cd266eca916424323923408dad78ce44f3309006bbd37cb612d69ee4847c5499 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b51fb8eaf6710463c223539dacdf9cff67541b3d8673407f4916e20c3be862f5 [INFO] running `Command { std: "docker" "start" "-a" "b51fb8eaf6710463c223539dacdf9cff67541b3d8673407f4916e20c3be862f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking travel_planner_graph v0.1.0 (/opt/rustwide/workdir/travel_planner_graph) [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rust-code-challenges v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/check_file_exists.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 31 | use super::*; [INFO] [stdout] | -------- the item `fs` is already imported here [INFO] [stdout] 32 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/check_file_exists.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` 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 1.96s [INFO] running `Command { std: "docker" "inspect" "b51fb8eaf6710463c223539dacdf9cff67541b3d8673407f4916e20c3be862f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b51fb8eaf6710463c223539dacdf9cff67541b3d8673407f4916e20c3be862f5", kill_on_drop: false }` [INFO] [stdout] b51fb8eaf6710463c223539dacdf9cff67541b3d8673407f4916e20c3be862f5