[INFO] fetching crate rbm 0.1.3... [INFO] checking rbm-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rbm 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rbm 0.1.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rbm 0.1.3 [INFO] finished tweaking crates.io crate rbm 0.1.3 [INFO] tweaked toml for crates.io crate rbm 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate rbm 0.1.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded defer-drop v1.2.0 [INFO] [stderr] Downloaded vte v0.9.0 [INFO] [stderr] Downloaded timer v0.2.0 [INFO] [stderr] Downloaded tuikit v0.4.5 [INFO] [stderr] Downloaded skim v0.9.4 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85350fff354f1e28ef0580edd06e7c3a127de61f103f90545cfa8be59bfcaa8a [INFO] running `Command { std: "docker" "start" "-a" "85350fff354f1e28ef0580edd06e7c3a127de61f103f90545cfa8be59bfcaa8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85350fff354f1e28ef0580edd06e7c3a127de61f103f90545cfa8be59bfcaa8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85350fff354f1e28ef0580edd06e7c3a127de61f103f90545cfa8be59bfcaa8a", kill_on_drop: false }` [INFO] [stdout] 85350fff354f1e28ef0580edd06e7c3a127de61f103f90545cfa8be59bfcaa8a [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffd862b98d05704e90f5f1be1eb02b0e8768310bdafc846f8e98a33d6c7ac638 [INFO] running `Command { std: "docker" "start" "-a" "ffd862b98d05704e90f5f1be1eb02b0e8768310bdafc846f8e98a33d6c7ac638", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling const_fn v0.4.8 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking beef v0.5.1 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking defer-drop v1.2.0 [INFO] [stderr] Checking vte v0.9.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Checking tuikit v0.4.5 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking skim v0.9.4 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking rbm v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Skim` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `Skim` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SkimItemReceiver` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `SkimItemReceiver` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SkimItemSender` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `SkimItemSender` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/finder.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `Arc` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] 4 | use std::{process::Command, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Skim` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `Skim` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SkimItemReceiver` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `SkimItemReceiver` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SkimItemSender` is imported redundantly [INFO] [stdout] --> src/finder.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `SkimItemSender` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/finder.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 2 | use skim::prelude::*; [INFO] [stdout] | ---------------- the item `Arc` is already imported here [INFO] [stdout] 3 | use skim::{Skim, SkimItemReceiver, SkimItemSender}; [INFO] [stdout] 4 | use std::{process::Command, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s [INFO] running `Command { std: "docker" "inspect" "ffd862b98d05704e90f5f1be1eb02b0e8768310bdafc846f8e98a33d6c7ac638", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffd862b98d05704e90f5f1be1eb02b0e8768310bdafc846f8e98a33d6c7ac638", kill_on_drop: false }` [INFO] [stdout] ffd862b98d05704e90f5f1be1eb02b0e8768310bdafc846f8e98a33d6c7ac638