[INFO] cloning repository https://github.com/thefireflyer/cs-240-library [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thefireflyer/cs-240-library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefireflyer%2Fcs-240-library", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefireflyer%2Fcs-240-library'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e27f08d5d936d426c71a149ff2a8226706008292 [INFO] checking thefireflyer/cs-240-library against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefireflyer%2Fcs-240-library" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thefireflyer/cs-240-library on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thefireflyer/cs-240-library [INFO] finished tweaking git repo https://github.com/thefireflyer/cs-240-library [INFO] tweaked toml for git repo https://github.com/thefireflyer/cs-240-library written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thefireflyer/cs-240-library 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: debug [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tailcall-impl v1.0.1 [INFO] [stderr] Downloaded tailcall v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db3e00d104d92d5f836c99d1907a1f61b7ea0b24f3728f57dbb119a929e460ec [INFO] running `Command { std: "docker" "start" "-a" "db3e00d104d92d5f836c99d1907a1f61b7ea0b24f3728f57dbb119a929e460ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db3e00d104d92d5f836c99d1907a1f61b7ea0b24f3728f57dbb119a929e460ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db3e00d104d92d5f836c99d1907a1f61b7ea0b24f3728f57dbb119a929e460ec", kill_on_drop: false }` [INFO] [stdout] db3e00d104d92d5f836c99d1907a1f61b7ea0b24f3728f57dbb119a929e460ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9afe88efa1ff07a7637886de74fbaa6faac4bb552c3b14f40c378d3e0997d23a [INFO] running `Command { std: "docker" "start" "-a" "9afe88efa1ff07a7637886de74fbaa6faac4bb552c3b14f40c378d3e0997d23a", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: debug [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling tailcall-impl v1.0.1 [INFO] [stderr] Checking tailcall v1.0.1 [INFO] [stderr] Checking cs-240-library v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `process::id` [INFO] [stdout] --> src/data_structures/linked_list/double_linked_list/solution.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{fmt::Debug, marker::PhantomData, process::id, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process::id` [INFO] [stdout] --> src/data_structures/linked_list/double_linked_list/solution.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{fmt::Debug, marker::PhantomData, process::id, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `subtree_at` is never used [INFO] [stdout] --> src/data_structures/maps/avl.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl AVL { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 147 | fn subtree_at(&self, cursor: Cursor, index: usize) -> Cursor { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `subtree_at` is never used [INFO] [stdout] --> src/data_structures/maps/avl.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl AVL { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 147 | fn subtree_at(&self, cursor: Cursor, index: usize) -> Cursor { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s [INFO] running `Command { std: "docker" "inspect" "9afe88efa1ff07a7637886de74fbaa6faac4bb552c3b14f40c378d3e0997d23a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9afe88efa1ff07a7637886de74fbaa6faac4bb552c3b14f40c378d3e0997d23a", kill_on_drop: false }` [INFO] [stdout] 9afe88efa1ff07a7637886de74fbaa6faac4bb552c3b14f40c378d3e0997d23a