[INFO] fetching crate lit 1.0.4... [INFO] checking lit-1.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lit 1.0.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate lit 1.0.4 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 lit 1.0.4 [INFO] finished tweaking crates.io crate lit 1.0.4 [INFO] tweaked toml for crates.io crate lit 1.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate lit 1.0.4 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 dirs-sys v0.3.5 [INFO] [stderr] Downloaded term v0.6.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.18 [INFO] [stderr] Downloaded backtrace v0.3.56 [INFO] [stderr] Downloaded adler v0.2.3 [INFO] [stderr] Downloaded addr2line v0.14.1 [INFO] [stderr] Downloaded miniz_oxide v0.4.3 [INFO] [stderr] Downloaded object v0.23.0 [INFO] [stderr] Downloaded libc v0.2.84 [INFO] [stderr] Downloaded gimli v0.23.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e0fcfc8d84b1da39e028aae2d00f294cb83fade49b8380d40007e323c5aac274 [INFO] running `Command { std: "docker" "start" "-a" "e0fcfc8d84b1da39e028aae2d00f294cb83fade49b8380d40007e323c5aac274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0fcfc8d84b1da39e028aae2d00f294cb83fade49b8380d40007e323c5aac274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0fcfc8d84b1da39e028aae2d00f294cb83fade49b8380d40007e323c5aac274", kill_on_drop: false }` [INFO] [stdout] e0fcfc8d84b1da39e028aae2d00f294cb83fade49b8380d40007e323c5aac274 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9c2128ee6ac888d602ee1c2cd8770fe90db3fcbed370e50801d341739e9cc7e2 [INFO] running `Command { std: "docker" "start" "-a" "9c2128ee6ac888d602ee1c2cd8770fe90db3fcbed370e50801d341739e9cc7e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking lit v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/run/find_files.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/run/mod.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/run/find_files.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/run/test_evaluator/state_tests.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TestFailReason` is imported redundantly [INFO] [stdout] --> src/run/test_evaluator/state_tests.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | model::{self, TestFailReason}, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 6 | }; [INFO] [stdout] 7 | use super::*; [INFO] [stdout] | -------- the item `TestFailReason` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/run/mod.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Results` is never constructed [INFO] [stdout] --> src/model.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | pub struct Results [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Results` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `expected_pattern`, `successfully_checked_text`, and `remaining_text` are never read [INFO] [stdout] --> src/model.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 302 | struct CheckFailureInfo<'a> { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 303 | expected_pattern: &'a TextPattern, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 304 | successfully_checked_text: PrintStrTruncate<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 305 | remaining_text: PrintStrTruncate<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CheckFailureInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestEvaluator` is never constructed [INFO] [stdout] --> src/run/test_evaluator.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct TestEvaluator [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestEvaluator` 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 `end` is never read [INFO] [stdout] --> src/vars/resolve.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct ConstantSpan { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConstantSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/config/clap.rs:152:34 [INFO] [stdout] | [INFO] [stdout] 152 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 152 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Results` is never constructed [INFO] [stdout] --> src/model.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | pub struct Results [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Results` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `expected_pattern`, `successfully_checked_text`, and `remaining_text` are never read [INFO] [stdout] --> src/model.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 302 | struct CheckFailureInfo<'a> { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 303 | expected_pattern: &'a TextPattern, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 304 | successfully_checked_text: PrintStrTruncate<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 305 | remaining_text: PrintStrTruncate<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CheckFailureInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestEvaluator` is never constructed [INFO] [stdout] --> src/run/test_evaluator.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct TestEvaluator [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestEvaluator` 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 `end` is never read [INFO] [stdout] --> src/vars/resolve.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct ConstantSpan { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConstantSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/config/clap.rs:152:34 [INFO] [stdout] | [INFO] [stdout] 152 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 152 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.34s [INFO] running `Command { std: "docker" "inspect" "9c2128ee6ac888d602ee1c2cd8770fe90db3fcbed370e50801d341739e9cc7e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2128ee6ac888d602ee1c2cd8770fe90db3fcbed370e50801d341739e9cc7e2", kill_on_drop: false }` [INFO] [stdout] 9c2128ee6ac888d602ee1c2cd8770fe90db3fcbed370e50801d341739e9cc7e2