[INFO] cloning repository https://github.com/AnHaechan/prusti-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnHaechan/prusti-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnHaechan%2Fprusti-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnHaechan%2Fprusti-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a874d47a0ec2f46a49c026fc48c8fe05de399874 [INFO] checking AnHaechan/prusti-test against nightly-2024-02-05 for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnHaechan%2Fprusti-test" "/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/AnHaechan/prusti-test on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AnHaechan/prusti-test [INFO] finished tweaking git repo https://github.com/AnHaechan/prusti-test [INFO] tweaked toml for git repo https://github.com/AnHaechan/prusti-test written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AnHaechan/prusti-test 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 prusti-contracts v0.1.8 [INFO] [stderr] Downloaded prusti-std v0.1.8 [INFO] [stderr] Downloaded prusti-contracts-proc-macros v0.1.8 [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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] feef0ce8395bce0b4fd23a1323298c8fa66349242d40e836610b70d4206bad7d [INFO] running `Command { std: "docker" "start" "-a" "feef0ce8395bce0b4fd23a1323298c8fa66349242d40e836610b70d4206bad7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "feef0ce8395bce0b4fd23a1323298c8fa66349242d40e836610b70d4206bad7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feef0ce8395bce0b4fd23a1323298c8fa66349242d40e836610b70d4206bad7d", kill_on_drop: false }` [INFO] [stdout] feef0ce8395bce0b4fd23a1323298c8fa66349242d40e836610b70d4206bad7d [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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef267233efff80b8e0d7dc0ecab6c5a151639ae14f5cf752ed6065b5c198bb98 [INFO] running `Command { std: "docker" "start" "-a" "ef267233efff80b8e0d7dc0ecab6c5a151639ae14f5cf752ed6065b5c198bb98", kill_on_drop: false }` [INFO] [stderr] Compiling prusti-contracts-proc-macros v0.1.8 [INFO] [stderr] Checking prusti-contracts v0.1.8 [INFO] [stderr] Checking prusti-std v0.1.8 [INFO] [stderr] Checking prusti-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `max` is never used [INFO] [stdout] --> src/max.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn max(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `max3` is never used [INFO] [stdout] --> src/max.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn max3(a: i32, b: i32, c: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `restrictive_square` is never used [INFO] [stdout] --> src/testing.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn restrictive_square(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `abs` is never used [INFO] [stdout] --> src/testing.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn abs (x: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list_generic_with_peek.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/list_generic_with_peek.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list_generic_with_peek.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn lookup(&self, index: usize) -> &T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn try_pop(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn pop(&mut self) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn peek(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn peek_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `link_lookup` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn link_lookup(link: &Link, index: usize) -> &T { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `link_len` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:164:4 [INFO] [stdout] | [INFO] [stdout] 164 | fn link_len(link: &Link) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `max` is never used [INFO] [stdout] --> src/max.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn max(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `max3` is never used [INFO] [stdout] --> src/max.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn max3(a: i32, b: i32, c: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `restrictive_square` is never used [INFO] [stdout] --> src/testing.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn restrictive_square(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `abs` is never used [INFO] [stdout] --> src/testing.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn abs (x: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list_generic_with_peek.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/list_generic_with_peek.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list_generic_with_peek.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn lookup(&self, index: usize) -> &T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn try_pop(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn pop(&mut self) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn peek(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn peek_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `link_lookup` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn link_lookup(link: &Link, index: usize) -> &T { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `link_len` is never used [INFO] [stdout] --> src/list_generic_with_peek.rs:164:4 [INFO] [stdout] | [INFO] [stdout] 164 | fn link_len(link: &Link) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "ef267233efff80b8e0d7dc0ecab6c5a151639ae14f5cf752ed6065b5c198bb98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef267233efff80b8e0d7dc0ecab6c5a151639ae14f5cf752ed6065b5c198bb98", kill_on_drop: false }` [INFO] [stdout] ef267233efff80b8e0d7dc0ecab6c5a151639ae14f5cf752ed6065b5c198bb98