[INFO] cloning repository https://github.com/PolySync/cargo-fel4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PolySync/cargo-fel4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolySync%2Fcargo-fel4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolySync%2Fcargo-fel4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7309d21bed04890aa6fb8d44a2ed7ab4730f56be
[INFO] checking PolySync/cargo-fel4 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolySync%2Fcargo-fel4" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PolySync/cargo-fel4 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-20/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/PolySync/cargo-fel4
[INFO] finished tweaking git repo https://github.com/PolySync/cargo-fel4
[INFO] tweaked toml for git repo https://github.com/PolySync/cargo-fel4 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/PolySync/cargo-fel4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d81941c343acde3da1003d16a384281e9f2ddc180ca016705e28a740a3182d
[INFO] running `Command { std: "docker" "start" "-a" "36d81941c343acde3da1003d16a384281e9f2ddc180ca016705e28a740a3182d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d81941c343acde3da1003d16a384281e9f2ddc180ca016705e28a740a3182d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d81941c343acde3da1003d16a384281e9f2ddc180ca016705e28a740a3182d", kill_on_drop: false }`
[INFO] [stdout] 36d81941c343acde3da1003d16a384281e9f2ddc180ca016705e28a740a3182d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60280fbd0cce80fcedd624d6c3a44a10ae17d7a131f1a6be55a00292339b8441
[INFO] running `Command { std: "docker" "start" "-a" "60280fbd0cce80fcedd624d6c3a44a10ae17d7a131f1a6be55a00292339b8441", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking cmake v0.1.31
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking rusty-fork v0.2.0
[INFO] [stderr]     Checking proptest v0.7.1
[INFO] [stderr]     Checking fel4-config v0.3.0 (https://github.com/PolySync/fel4-config.git?branch=master#e33620ff)
[INFO] [stderr]     Checking cmake_config v0.1.0 (/opt/rustwide/workdir/cmake_config)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> cmake_config/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | / lazy_static! {
[INFO] [stdout] 64 | |     static ref RUST_VALID_IDENTIFIER_REGEX: Regex =
[INFO] [stdout] 65 | |         Regex::new("(^[a-zA-Z][a-zA-Z0-9_]*$)|(^_[a-zA-Z0-9_]+$)").unwrap();
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> cmake_config/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | / lazy_static! {
[INFO] [stdout] 64 | |     static ref RUST_VALID_IDENTIFIER_REGEX: Regex =
[INFO] [stdout] 65 | |         Regex::new("(^[a-zA-Z][a-zA-Z0-9_]*$)|(^_[a-zA-Z0-9_]+$)").unwrap();
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]     Checking structopt v0.2.8
[INFO] [stderr]     Checking cargo_metadata v0.5.5
[INFO] [stderr]     Checking cargo-fel4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/basic_integration.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref SEQUENTIAL_TEST_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.92s
[INFO] running `Command { std: "docker" "inspect" "60280fbd0cce80fcedd624d6c3a44a10ae17d7a131f1a6be55a00292339b8441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60280fbd0cce80fcedd624d6c3a44a10ae17d7a131f1a6be55a00292339b8441", kill_on_drop: false }`
[INFO] [stdout] 60280fbd0cce80fcedd624d6c3a44a10ae17d7a131f1a6be55a00292339b8441