[INFO] fetching crate libslide 0.0.1... [INFO] checking libslide-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate libslide 0.0.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate libslide 0.0.1 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 libslide 0.0.1 [INFO] finished tweaking crates.io crate libslide 0.0.1 [INFO] tweaked toml for crates.io crate libslide 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 74 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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 az v1.2.1 [INFO] [stderr] Downloaded rug v1.24.1 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 10a82a7721c4f995b1ba266119fb265ae856cd710cce87663536942d395e1d0a [INFO] running `Command { std: "docker" "start" "-a" "10a82a7721c4f995b1ba266119fb265ae856cd710cce87663536942d395e1d0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10a82a7721c4f995b1ba266119fb265ae856cd710cce87663536942d395e1d0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10a82a7721c4f995b1ba266119fb265ae856cd710cce87663536942d395e1d0a", kill_on_drop: false }` [INFO] [stdout] 10a82a7721c4f995b1ba266119fb265ae856cd710cce87663536942d395e1d0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5434bbf9c0200c7908877ad265036a5940e3e8c81c034fd2c6943c20a13a4896 [INFO] running `Command { std: "docker" "start" "-a" "5434bbf9c0200c7908877ad265036a5940e3e8c81c034fd2c6943c20a13a4896", kill_on_drop: false }` [INFO] [stderr] Compiling gmp-mpfr-sys v1.6.2 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Compiling rug v1.24.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking libslide v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Rc` is imported redundantly [INFO] [stdout] --> src/grammar/pattern.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub use super::*; [INFO] [stdout] | -------- the item `Rc` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/grammar.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `Token` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::scanner::types::{Token, TokenType}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TokenType` is imported redundantly [INFO] [stdout] --> src/grammar.rs:6:36 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `TokenType` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::scanner::types::{Token, TokenType}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/grammar.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `TryFrom` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use core::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `test::*` [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use test::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rc` is imported redundantly [INFO] [stdout] --> src/grammar/pattern.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub use super::*; [INFO] [stdout] | -------- the item `Rc` is already imported here [INFO] [stdout] 2 | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/grammar.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `Token` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::scanner::types::{Token, TokenType}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TokenType` is imported redundantly [INFO] [stdout] --> src/grammar.rs:6:36 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `TokenType` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use crate::scanner::types::{Token, TokenType}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/grammar.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub use pattern::*; [INFO] [stdout] | ---------- the item `TryFrom` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use core::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `test::*` [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use test::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PeekingTakeWhile` is never constructed [INFO] [stdout] --> src/utils/iter.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct PeekingTakeWhile<'a, T, P> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PeekingTakeWhile` is never constructed [INFO] [stdout] --> src/utils/iter.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct PeekingTakeWhile<'a, T, P> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 35s [INFO] running `Command { std: "docker" "inspect" "5434bbf9c0200c7908877ad265036a5940e3e8c81c034fd2c6943c20a13a4896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5434bbf9c0200c7908877ad265036a5940e3e8c81c034fd2c6943c20a13a4896", kill_on_drop: false }` [INFO] [stdout] 5434bbf9c0200c7908877ad265036a5940e3e8c81c034fd2c6943c20a13a4896