[INFO] cloning repository https://github.com/hojdars/map-generation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hojdars/map-generation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojdars%2Fmap-generation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojdars%2Fmap-generation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc0e19f6cf8043a73916bd2c7607c6c6e4f89d20 [INFO] checking hojdars/map-generation against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojdars%2Fmap-generation" "/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/hojdars/map-generation 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/hojdars/map-generation [INFO] finished tweaking git repo https://github.com/hojdars/map-generation [INFO] tweaked toml for git repo https://github.com/hojdars/map-generation written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hojdars/map-generation 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 serde v1.0.181 [INFO] [stderr] Downloaded serde_derive v1.0.181 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57c7a6def395afe675bc767b0f104cd8249e6cc15a8d548808b3925e49c955a4 [INFO] running `Command { std: "docker" "start" "-a" "57c7a6def395afe675bc767b0f104cd8249e6cc15a8d548808b3925e49c955a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57c7a6def395afe675bc767b0f104cd8249e6cc15a8d548808b3925e49c955a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57c7a6def395afe675bc767b0f104cd8249e6cc15a8d548808b3925e49c955a4", kill_on_drop: false }` [INFO] [stdout] 57c7a6def395afe675bc767b0f104cd8249e6cc15a8d548808b3925e49c955a4 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bddcf658e68c119bddceff3b1ca7671a0fda309a1a17a68a3454e6e222038a6b [INFO] running `Command { std: "docker" "start" "-a" "bddcf658e68c119bddceff3b1ca7671a0fda309a1a17a68a3454e6e222038a6b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.181 [INFO] [stderr] Compiling serde_derive v1.0.181 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking unsafe-libyaml v0.2.9 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde_yaml v0.9.25 [INFO] [stderr] Checking map-gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/main.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/main.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map_orientation` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | map_orientation: &Orientation, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_orientation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map_orientation` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | map_orientation: &Orientation, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_orientation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:115:21 [INFO] [stdout] | [INFO] [stdout] 115 | fn generate_insides(rng: &mut ChaCha8Rng) -> Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:115:21 [INFO] [stdout] | [INFO] [stdout] 115 | fn generate_insides(rng: &mut ChaCha8Rng) -> Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | enum Orientation { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 23 | Up, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] 25 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct MapObject { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 37 | x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 38 | y: u32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `MapObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inside_objects` is never read [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Map { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 53 | walls: [Vec; 4], [INFO] [stdout] 54 | inside_objects: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 58 | struct Prefab { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 59 | width: u32, [INFO] [stdout] 60 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Prefab` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | enum Orientation { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 23 | Up, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] 25 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct MapObject { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 37 | x: u32, [INFO] [stdout] | ^ [INFO] [stdout] 38 | y: u32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `MapObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inside_objects` is never read [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 52 | struct Map { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 53 | walls: [Vec; 4], [INFO] [stdout] 54 | inside_objects: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 58 | struct Prefab { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 59 | width: u32, [INFO] [stdout] 60 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Prefab` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "bddcf658e68c119bddceff3b1ca7671a0fda309a1a17a68a3454e6e222038a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bddcf658e68c119bddceff3b1ca7671a0fda309a1a17a68a3454e6e222038a6b", kill_on_drop: false }` [INFO] [stdout] bddcf658e68c119bddceff3b1ca7671a0fda309a1a17a68a3454e6e222038a6b [INFO] checking hojdars/map-generation against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojdars%2Fmap-generation" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hojdars/map-generation on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hojdars/map-generation [INFO] finished tweaking git repo https://github.com/hojdars/map-generation [INFO] tweaked toml for git repo https://github.com/hojdars/map-generation written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hojdars/map-generation 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bafa9686bc18a6217c4f5c246a280cb48c06f90b9079e1d2177fcf287fb6ddc8 [INFO] running `Command { std: "docker" "start" "-a" "bafa9686bc18a6217c4f5c246a280cb48c06f90b9079e1d2177fcf287fb6ddc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bafa9686bc18a6217c4f5c246a280cb48c06f90b9079e1d2177fcf287fb6ddc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bafa9686bc18a6217c4f5c246a280cb48c06f90b9079e1d2177fcf287fb6ddc8", kill_on_drop: false }` [INFO] [stdout] bafa9686bc18a6217c4f5c246a280cb48c06f90b9079e1d2177fcf287fb6ddc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b46d504018bfe2994c96cdead5d0282222ddab08d6aa2d5ece143a580d04e11 [INFO] running `Command { std: "docker" "start" "-a" "4b46d504018bfe2994c96cdead5d0282222ddab08d6aa2d5ece143a580d04e11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.181 [INFO] [stderr] Compiling serde_derive v1.0.181 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking unsafe-libyaml v0.2.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.181/src/lib_precompiled.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4b46d504018bfe2994c96cdead5d0282222ddab08d6aa2d5ece143a580d04e11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b46d504018bfe2994c96cdead5d0282222ddab08d6aa2d5ece143a580d04e11", kill_on_drop: false }` [INFO] [stdout] 4b46d504018bfe2994c96cdead5d0282222ddab08d6aa2d5ece143a580d04e11