[INFO] cloning repository https://github.com/doomdavve/maldives [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doomdavve/maldives" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoomdavve%2Fmaldives", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoomdavve%2Fmaldives'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a57bc9771ab58f45beb83cb45f7c9e9e67b2f3f [INFO] checking doomdavve/maldives against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoomdavve%2Fmaldives" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/doomdavve/maldives on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/doomdavve/maldives [INFO] finished tweaking git repo https://github.com/doomdavve/maldives [INFO] tweaked toml for git repo https://github.com/doomdavve/maldives written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/doomdavve/maldives 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded rustyline v5.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ec9c68efd86c7021602599f81cf9d18f06215bfcab966d1cf84ce661e21e760 [INFO] running `Command { std: "docker" "start" "-a" "2ec9c68efd86c7021602599f81cf9d18f06215bfcab966d1cf84ce661e21e760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ec9c68efd86c7021602599f81cf9d18f06215bfcab966d1cf84ce661e21e760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ec9c68efd86c7021602599f81cf9d18f06215bfcab966d1cf84ce661e21e760", kill_on_drop: false }` [INFO] [stdout] 2ec9c68efd86c7021602599f81cf9d18f06215bfcab966d1cf84ce661e21e760 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f13fc38936135d59647e758e4bdf97b7ceb011e0205afb9e08981570a9f6105 [INFO] running `Command { std: "docker" "start" "-a" "8f13fc38936135d59647e758e4bdf97b7ceb011e0205afb9e08981570a9f6105", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling sdl2 v0.34.2 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling sdl2-sys v0.34.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rustyline v5.0.5 [INFO] [stderr] Checking maldives v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FunctionDeclaration` is imported redundantly [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::expression::FunctionDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use crate::expression::*; [INFO] [stdout] | -------------------- the item `FunctionDeclaration` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::expression::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use crate::expression::*; [INFO] [stdout] | -------------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Expression` is imported redundantly [INFO] [stdout] --> src/parser.rs:550:9 [INFO] [stdout] | [INFO] [stdout] 548 | use crate::expression::*; [INFO] [stdout] | -------------------- the item `Expression` is already imported here [INFO] [stdout] 549 | use crate::lexer::Lexer; [INFO] [stdout] 550 | use crate::parser::Expression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/symboltable.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FunctionDeclaration` is imported redundantly [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::expression::FunctionDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use crate::expression::*; [INFO] [stdout] | -------------------- the item `FunctionDeclaration` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::expression::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use crate::expression::*; [INFO] [stdout] | -------------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/symboltable.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read [INFO] [stdout] --> src/typedexpressionnode.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 350 | pub struct SdlWrapper { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 351 | pub sdl_context: Sdl, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 352 | pub video_subsystem: VideoSubsystem, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read [INFO] [stdout] --> src/typedexpressionnode.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 350 | pub struct SdlWrapper { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 351 | pub sdl_context: Sdl, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 352 | pub video_subsystem: VideoSubsystem, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "8f13fc38936135d59647e758e4bdf97b7ceb011e0205afb9e08981570a9f6105", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f13fc38936135d59647e758e4bdf97b7ceb011e0205afb9e08981570a9f6105", kill_on_drop: false }` [INFO] [stdout] 8f13fc38936135d59647e758e4bdf97b7ceb011e0205afb9e08981570a9f6105