[INFO] fetching crate twas 1.0.0... [INFO] checking twas-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate twas 1.0.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate twas 1.0.0 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 twas 1.0.0 [INFO] finished tweaking crates.io crate twas 1.0.0 [INFO] tweaked toml for crates.io crate twas 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate twas 1.0.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded utf8-chars v3.0.1 [INFO] [stderr] Downloaded dicexp v1.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 59298d6b0523931ee936cdf586dd5bd45247abed3a586fe790df0e95ca7b95a1 [INFO] running `Command { std: "docker" "start" "-a" "59298d6b0523931ee936cdf586dd5bd45247abed3a586fe790df0e95ca7b95a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59298d6b0523931ee936cdf586dd5bd45247abed3a586fe790df0e95ca7b95a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59298d6b0523931ee936cdf586dd5bd45247abed3a586fe790df0e95ca7b95a1", kill_on_drop: false }` [INFO] [stdout] 59298d6b0523931ee936cdf586dd5bd45247abed3a586fe790df0e95ca7b95a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0945d51db68c647471efb5f64c19fae892984d30f8d32a417f19c5b29c930055 [INFO] running `Command { std: "docker" "start" "-a" "0945d51db68c647471efb5f64c19fae892984d30f8d32a417f19c5b29c930055", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Compiling zstd-safe v5.0.2+zstd.1.5.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling rustix v0.38.15 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking hashbrown v0.14.1 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking linux-raw-sys v0.4.8 [INFO] [stderr] Checking time v0.3.29 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking unsafe-libyaml v0.2.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking password-hash v0.4.2 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking flate2 v1.0.27 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking utf8-chars v3.0.1 [INFO] [stderr] Compiling jobserver v0.1.27 [INFO] [stderr] Checking indexmap v2.0.2 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking dicexp v1.1.1 [INFO] [stderr] Checking aes v0.8.3 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Compiling zstd-sys v2.0.8+zstd.1.5.5 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking tempfile v3.8.0 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking serde v1.0.188 [INFO] [stderr] Checking zstd v0.11.2+zstd.1.5.2 [INFO] [stderr] Checking zip v0.6.6 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_yaml v0.9.25 [INFO] [stderr] Checking twas v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:37 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Read` is already imported here [INFO] [stdout] 9 | use std::io::{BufReader, ErrorKind, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zip` is imported redundantly [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use zip; [INFO] [stdout] | ^^^ the item `zip` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zip` is imported redundantly [INFO] [stdout] --> src/errors.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zip; [INFO] [stdout] | ^^^ the item `zip` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/subspec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:37 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Read` is already imported here [INFO] [stdout] 9 | use std::io::{BufReader, ErrorKind, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zip` is imported redundantly [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use zip; [INFO] [stdout] | ^^^ the item `zip` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zip` is imported redundantly [INFO] [stdout] --> src/errors.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zip; [INFO] [stdout] | ^^^ the item `zip` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/subspec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bytemuck` is imported redundantly [INFO] [stdout] --> tests/usage_tests.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bytemuck; [INFO] [stdout] | ^^^^^^^^ the item `bytemuck` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 13.71s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0945d51db68c647471efb5f64c19fae892984d30f8d32a417f19c5b29c930055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0945d51db68c647471efb5f64c19fae892984d30f8d32a417f19c5b29c930055", kill_on_drop: false }` [INFO] [stdout] 0945d51db68c647471efb5f64c19fae892984d30f8d32a417f19c5b29c930055