[INFO] fetching crate maze_rs 1.0.0... [INFO] testing maze_rs-1.0.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate maze_rs 1.0.0 into /workspace/builds/worker-106/source [INFO] validating manifest of crates.io crate maze_rs 1.0.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate maze_rs 1.0.0 [INFO] finished tweaking crates.io crate maze_rs 1.0.0 [INFO] tweaked toml for crates.io crate maze_rs 1.0.0 written to /workspace/builds/worker-106/source/Cargo.toml [INFO] crate crates.io crate maze_rs 1.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b37a7bb6d45a27037f858ba24fce401e723350edb21cc8f5845f869553fffebb [INFO] running `Command { std: "docker" "start" "-a" "b37a7bb6d45a27037f858ba24fce401e723350edb21cc8f5845f869553fffebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b37a7bb6d45a27037f858ba24fce401e723350edb21cc8f5845f869553fffebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b37a7bb6d45a27037f858ba24fce401e723350edb21cc8f5845f869553fffebb", kill_on_drop: false }` [INFO] [stdout] b37a7bb6d45a27037f858ba24fce401e723350edb21cc8f5845f869553fffebb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e794816244f4f05983fff2ac1379729995713a43ab00e9d8972e1c398c42ec90 [INFO] running `Command { std: "docker" "start" "-a" "e794816244f4f05983fff2ac1379729995713a43ab00e9d8972e1c398c42ec90", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling maze_rs v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/error/mod.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | kind: ErrorKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Custom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/error/mod.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> src/ds/graphs.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | v: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Vertex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ds/graphs.rs:161:10 [INFO] [stdout] | [INFO] [stdout] 161 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.01s [INFO] running `Command { std: "docker" "inspect" "e794816244f4f05983fff2ac1379729995713a43ab00e9d8972e1c398c42ec90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e794816244f4f05983fff2ac1379729995713a43ab00e9d8972e1c398c42ec90", kill_on_drop: false }` [INFO] [stdout] e794816244f4f05983fff2ac1379729995713a43ab00e9d8972e1c398c42ec90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3770ea988092db5f4ea88c4945403cff1795089db9a48b7d28c199858aec29b [INFO] running `Command { std: "docker" "start" "-a" "d3770ea988092db5f4ea88c4945403cff1795089db9a48b7d28c199858aec29b", kill_on_drop: false }` [INFO] [stderr] Compiling maze_rs v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/error/mod.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | kind: ErrorKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Custom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/error/mod.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> src/ds/graphs.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | v: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Vertex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ds/graphs.rs:161:10 [INFO] [stdout] | [INFO] [stdout] 161 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `ds` [INFO] [stdout] --> src/helper/mod.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use ds::Point; [INFO] [stdout] | ^^ help: a similar path exists: `crate::ds` [INFO] [stdout] | [INFO] [stdout] = note: `use` statements changed in Rust 2018; read more at [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `maze_rs` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d3770ea988092db5f4ea88c4945403cff1795089db9a48b7d28c199858aec29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3770ea988092db5f4ea88c4945403cff1795089db9a48b7d28c199858aec29b", kill_on_drop: false }` [INFO] [stdout] d3770ea988092db5f4ea88c4945403cff1795089db9a48b7d28c199858aec29b