[INFO] cloning repository https://github.com/cckoo/snapshot_analysis_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cckoo/snapshot_analysis_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcckoo%2Fsnapshot_analysis_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcckoo%2Fsnapshot_analysis_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11b29789d5756088d029f8b9c4ed8f7ea569776c [INFO] checking cckoo/snapshot_analysis_rust/11b29789d5756088d029f8b9c4ed8f7ea569776c against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcckoo%2Fsnapshot_analysis_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cckoo/snapshot_analysis_rust 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/cckoo/snapshot_analysis_rust [INFO] finished tweaking git repo https://github.com/cckoo/snapshot_analysis_rust [INFO] tweaked toml for git repo https://github.com/cckoo/snapshot_analysis_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cckoo/snapshot_analysis_rust 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] Downloading crates ... [INFO] [stderr] Downloaded rusqlite v0.24.2 [INFO] [stderr] Downloaded libsqlite3-sys v0.20.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c684e12d0a3f2f1c0976256327e5bac02a36ed586ccd75393889908d8aacf0f4 [INFO] running `Command { std: "docker" "start" "-a" "c684e12d0a3f2f1c0976256327e5bac02a36ed586ccd75393889908d8aacf0f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c684e12d0a3f2f1c0976256327e5bac02a36ed586ccd75393889908d8aacf0f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c684e12d0a3f2f1c0976256327e5bac02a36ed586ccd75393889908d8aacf0f4", kill_on_drop: false }` [INFO] [stdout] c684e12d0a3f2f1c0976256327e5bac02a36ed586ccd75393889908d8aacf0f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 67b2745e89251f43f1793bf515cb41b99d06a018bd824637a052876c2587488f [INFO] running `Command { std: "docker" "start" "-a" "67b2745e89251f43f1793bf515cb41b99d06a018bd824637a052876c2587488f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libsqlite3-sys v0.20.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking hashlink v0.6.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rusqlite v0.24.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking pbr v1.0.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking heapquery v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:175:24 [INFO] [stdout] | [INFO] [stdout] 175 | unreachable!(format!("unsupported type: {}", value_type)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `unreachable!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 175 - unreachable!(format!("unsupported type: {}", value_type)); [INFO] [stdout] 175 + unreachable!("unsupported type: {}", value_type); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:175:24 [INFO] [stdout] | [INFO] [stdout] 175 | unreachable!(format!("unsupported type: {}", value_type)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `unreachable!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 175 - unreachable!(format!("unsupported type: {}", value_type)); [INFO] [stdout] 175 + unreachable!("unsupported type: {}", value_type); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:298:45 [INFO] [stdout] | [INFO] [stdout] 298 | let node = tree.get(&node_id).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Node` does not implement `Clone`, so calling `clone` on `&Node` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 298 - let node = tree.get(&node_id).unwrap().clone(); [INFO] [stdout] 298 + let node = tree.get(&node_id).unwrap(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Node`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 7 + #[derive(Clone)] [INFO] [stdout] 8 | pub struct Node { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:298:45 [INFO] [stdout] | [INFO] [stdout] 298 | let node = tree.get(&node_id).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Node` does not implement `Clone`, so calling `clone` on `&Node` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 298 - let node = tree.get(&node_id).unwrap().clone(); [INFO] [stdout] 298 + let node = tree.get(&node_id).unwrap(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Node`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 7 + #[derive(Clone)] [INFO] [stdout] 8 | pub struct Node { [INFO] [stdout] | [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 2.46s [INFO] running `Command { std: "docker" "inspect" "67b2745e89251f43f1793bf515cb41b99d06a018bd824637a052876c2587488f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67b2745e89251f43f1793bf515cb41b99d06a018bd824637a052876c2587488f", kill_on_drop: false }` [INFO] [stdout] 67b2745e89251f43f1793bf515cb41b99d06a018bd824637a052876c2587488f