[INFO] fetching crate ferrum_compiler 0.0.4... [INFO] checking ferrum_compiler-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate ferrum_compiler 0.0.4 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ferrum_compiler 0.0.4 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 crates.io crate ferrum_compiler 0.0.4 [INFO] finished tweaking crates.io crate ferrum_compiler 0.0.4 [INFO] tweaked toml for crates.io crate ferrum_compiler 0.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate ferrum_compiler 0.0.4 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] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.71 [INFO] [stderr] Downloaded errno v0.3.4 [INFO] [stderr] Downloaded thiserror-impl v1.0.41 [INFO] [stderr] Downloaded thiserror v1.0.41 [INFO] [stderr] Downloaded syn v2.0.23 [INFO] [stderr] Downloaded rustix v0.38.15 [INFO] [stderr] Downloaded linux-raw-sys v0.4.8 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0a5e8771052ca3b20892315917242b20beffd9169e419364e931ba4a744b3dc [INFO] running `Command { std: "docker" "start" "-a" "b0a5e8771052ca3b20892315917242b20beffd9169e419364e931ba4a744b3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0a5e8771052ca3b20892315917242b20beffd9169e419364e931ba4a744b3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0a5e8771052ca3b20892315917242b20beffd9169e419364e931ba4a744b3dc", kill_on_drop: false }` [INFO] [stdout] b0a5e8771052ca3b20892315917242b20beffd9169e419364e931ba4a744b3dc [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f9ec81614403963ae577e8adb34fd2b303d96e4811ea8e0fdb0093ec6578711 [INFO] running `Command { std: "docker" "start" "-a" "5f9ec81614403963ae577e8adb34fd2b303d96e4811ea8e0fdb0093ec6578711", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling thiserror v1.0.41 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Compiling thiserror-impl v1.0.41 [INFO] [stderr] Checking ferrum_compiler v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/code_gen/rust/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] ... [INFO] [stdout] 12 | config::Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lazy_static` is imported redundantly [INFO] [stdout] --> src/lexer/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use lazy_static; [INFO] [stdout] | ^^^^^^^^^^^ the item `lazy_static` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/project_gen/rust/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::config::Config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | [INFO] [stdout] 5 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/result.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/result.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/code_gen/rust/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] ... [INFO] [stdout] 12 | config::Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lazy_static` is imported redundantly [INFO] [stdout] --> src/lexer/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use lazy_static; [INFO] [stdout] | ^^^^^^^^^^^ the item `lazy_static` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/project_gen/rust/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::config::Config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | [INFO] [stdout] 5 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/use.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/result.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/result.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/type_resolver/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/use.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/type_resolver/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s [INFO] running `Command { std: "docker" "inspect" "5f9ec81614403963ae577e8adb34fd2b303d96e4811ea8e0fdb0093ec6578711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f9ec81614403963ae577e8adb34fd2b303d96e4811ea8e0fdb0093ec6578711", kill_on_drop: false }` [INFO] [stdout] 5f9ec81614403963ae577e8adb34fd2b303d96e4811ea8e0fdb0093ec6578711 [INFO] checking ferrum_compiler-0.0.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate ferrum_compiler 0.0.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ferrum_compiler 0.0.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ferrum_compiler 0.0.4 [INFO] finished tweaking crates.io crate ferrum_compiler 0.0.4 [INFO] tweaked toml for crates.io crate ferrum_compiler 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate ferrum_compiler 0.0.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3acacbd552eb9ce8474361a5e8fd4b70912828921ab5fc2116cd99b9187fade [INFO] running `Command { std: "docker" "start" "-a" "e3acacbd552eb9ce8474361a5e8fd4b70912828921ab5fc2116cd99b9187fade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3acacbd552eb9ce8474361a5e8fd4b70912828921ab5fc2116cd99b9187fade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3acacbd552eb9ce8474361a5e8fd4b70912828921ab5fc2116cd99b9187fade", kill_on_drop: false }` [INFO] [stdout] e3acacbd552eb9ce8474361a5e8fd4b70912828921ab5fc2116cd99b9187fade [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29e570a545bf54d91686e8469926aed8cd6cf6a1804ef3883848324b03fd0bfe [INFO] running `Command { std: "docker" "start" "-a" "29e570a545bf54d91686e8469926aed8cd6cf6a1804ef3883848324b03fd0bfe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling thiserror v1.0.41 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Compiling thiserror-impl v1.0.41 [INFO] [stderr] Checking ferrum_compiler v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/code_gen/rust/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] ... [INFO] [stdout] 12 | config::Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lazy_static` is imported redundantly [INFO] [stdout] --> src/lexer/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use lazy_static; [INFO] [stdout] | ^^^^^^^^^^^ the item `lazy_static` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/project_gen/rust/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::config::Config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | [INFO] [stdout] 5 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/result.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/result.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/use.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/type_resolver/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/code_gen/rust/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] ... [INFO] [stdout] 12 | config::Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lazy_static` is imported redundantly [INFO] [stdout] --> src/lexer/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use lazy_static; [INFO] [stdout] | ^^^^^^^^^^^ the item `lazy_static` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/project_gen/rust/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::config::Config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | [INFO] [stdout] 5 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/result.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/result.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/decl.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/expr.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::utils::{fe_from, fe_try_from, from, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fe_try_from` is imported redundantly [INFO] [stdout] --> src/syntax/stmt.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fe_try_from` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use crate::utils::{fe_from, fe_try_from, from, invert, try_from}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/syntax/use.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/syntax/static.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/type_resolver/stmt.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `log` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use crate::log; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.52s [INFO] running `Command { std: "docker" "inspect" "29e570a545bf54d91686e8469926aed8cd6cf6a1804ef3883848324b03fd0bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29e570a545bf54d91686e8469926aed8cd6cf6a1804ef3883848324b03fd0bfe", kill_on_drop: false }` [INFO] [stdout] 29e570a545bf54d91686e8469926aed8cd6cf6a1804ef3883848324b03fd0bfe