[INFO] cloning repository https://github.com/f11snipe/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f11snipe/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff11snipe%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff11snipe%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cb2ebdd926d64ea2d1eec554754c81ea7a8a873
[INFO] checking f11snipe/rust-examples against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff11snipe%2Frust-examples" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f11snipe/rust-examples 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 git repo https://github.com/f11snipe/rust-examples
[INFO] finished tweaking git repo https://github.com/f11snipe/rust-examples
[INFO] tweaked toml for git repo https://github.com/f11snipe/rust-examples written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/f11snipe/rust-examples 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.16.0
[INFO] [stderr]   Downloaded configparser v3.0.4
[INFO] [stderr]   Downloaded confy v0.6.1
[INFO] [stderr]   Downloaded toml v0.8.11
[INFO] [stderr]   Downloaded procfs-core v0.16.0
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded toml_edit v0.22.7
[INFO] [stderr]   Downloaded reqwest v0.11.26
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdb3f28ead0fc89826aac79511270f433d15b985f117ab98e7de4c2911436d72
[INFO] running `Command { std: "docker" "start" "-a" "cdb3f28ead0fc89826aac79511270f433d15b985f117ab98e7de4c2911436d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb3f28ead0fc89826aac79511270f433d15b985f117ab98e7de4c2911436d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb3f28ead0fc89826aac79511270f433d15b985f117ab98e7de4c2911436d72", kill_on_drop: false }`
[INFO] [stdout] cdb3f28ead0fc89826aac79511270f433d15b985f117ab98e7de4c2911436d72
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a9692d858040d8bce8c3d543236a7ed08c50fa70c74da77d40734a66b65e83
[INFO] running `Command { std: "docker" "start" "-a" "54a9692d858040d8bce8c3d543236a7ed08c50fa70c74da77d40734a66b65e83", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking configparser v3.0.4
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking sysinfo v0.30.7
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking toml_edit v0.22.7
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking toml v0.8.11
[INFO] [stderr]     Checking confy v0.6.1
[INFO] [stderr]     Checking rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rust_examples` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_examples::{self, watch};
[INFO] [stdout]   |                     ^^^^ the item `rust_examples` 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 `rust_examples` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_examples::{self, watch};
[INFO] [stdout]   |                     ^^^^ the item `rust_examples` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "54a9692d858040d8bce8c3d543236a7ed08c50fa70c74da77d40734a66b65e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a9692d858040d8bce8c3d543236a7ed08c50fa70c74da77d40734a66b65e83", kill_on_drop: false }`
[INFO] [stdout] 54a9692d858040d8bce8c3d543236a7ed08c50fa70c74da77d40734a66b65e83