[INFO] cloning repository https://github.com/ghimiresdp/rust-challenges [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghimiresdp/rust-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghimiresdp%2Frust-challenges", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghimiresdp%2Frust-challenges'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ba0024927f81bc857d677a88e7cad1c34ef3799 [INFO] checking ghimiresdp/rust-challenges against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghimiresdp%2Frust-challenges" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ghimiresdp/rust-challenges on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ghimiresdp/rust-challenges [INFO] finished tweaking git repo https://github.com/ghimiresdp/rust-challenges [INFO] tweaked toml for git repo https://github.com/ghimiresdp/rust-challenges written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ghimiresdp/rust-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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crypto v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1a870e1f0666ca7ce67503417af473a4ac46788f024efcc02e4512502f240bb [INFO] running `Command { std: "docker" "start" "-a" "e1a870e1f0666ca7ce67503417af473a4ac46788f024efcc02e4512502f240bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1a870e1f0666ca7ce67503417af473a4ac46788f024efcc02e4512502f240bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1a870e1f0666ca7ce67503417af473a4ac46788f024efcc02e4512502f240bb", kill_on_drop: false }` [INFO] [stdout] e1a870e1f0666ca7ce67503417af473a4ac46788f024efcc02e4512502f240bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 947635c9ffda89791700a069074ac4fb0b02ec259e98d990f795a697300e7226 [INFO] running `Command { std: "docker" "start" "-a" "947635c9ffda89791700a069074ac4fb0b02ec259e98d990f795a697300e7226", kill_on_drop: false }` [INFO] [stderr] Checking _lib v0.1.0 (/opt/rustwide/workdir/_lib) [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking cpufeatures v0.2.14 [INFO] [stderr] Checking shape v0.1.0 (/opt/rustwide/workdir/macros/shape) [INFO] [stderr] Checking opaque-debug v0.3.1 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking algorithms v0.1.0 (/opt/rustwide/workdir/algorithms) [INFO] [stderr] Checking problem_solving v0.1.0 (/opt/rustwide/workdir/problem-solving) [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking data-structures v0.1.0 (/opt/rustwide/workdir/data-structures) [INFO] [stderr] Checking ruscrypt v0.1.0 (/opt/rustwide/workdir/projects/ruscrypt) [INFO] [stderr] Checking pandas v0.1.0 (/opt/rustwide/workdir/projects/pandas) [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking syn v2.0.63 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking rtoolbox v0.0.2 [INFO] [stderr] Checking rpassword v7.3.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking password-hash v0.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking universal-hash v0.5.1 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking aead v0.5.2 [INFO] [stderr] Checking crypto v0.5.1 [INFO] [stderr] Checking polyval v0.6.2 [INFO] [stderr] Checking blake2 v0.10.6 [INFO] [stderr] Checking ctr v0.9.2 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking ghash v0.5.1 [INFO] [stderr] Checking shape_derive v0.1.0 (/opt/rustwide/workdir/macros/shape_derive) [INFO] [stderr] Checking argon2 v0.5.3 [INFO] [stderr] Checking aes-gcm v0.10.3 [INFO] [stderr] Checking vault v0.1.0 (/opt/rustwide/workdir/projects/vault) [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir/macros) [INFO] [stderr] Checking design_patterns v0.1.0 (/opt/rustwide/workdir/design-patterns) [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> design-patterns/src/observer.rs:52:26 [INFO] [stdout] | [INFO] [stdout] 52 | .retain(|&x| x != listener); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 52 | .retain(|&x| !std::ptr::fn_addr_eq(x, listener)); [INFO] [stdout] | ++++++++++++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> design-patterns/src/observer.rs:52:26 [INFO] [stdout] | [INFO] [stdout] 52 | .retain(|&x| x != listener); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 52 | .retain(|&x| !std::ptr::fn_addr_eq(x, listener)); [INFO] [stdout] | ++++++++++++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.58s [INFO] running `Command { std: "docker" "inspect" "947635c9ffda89791700a069074ac4fb0b02ec259e98d990f795a697300e7226", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "947635c9ffda89791700a069074ac4fb0b02ec259e98d990f795a697300e7226", kill_on_drop: false }` [INFO] [stdout] 947635c9ffda89791700a069074ac4fb0b02ec259e98d990f795a697300e7226