[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolySync%2Fcargo-fel4" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PolySync/cargo-fel4 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] removed /workspace/builds/worker-3-tc1/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-3-tc1/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: 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 git repository `https://github.com/PolySync/fel4-config.git`
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]       Adding fel4-config v0.3.0 (https://github.com/PolySync/fel4-config.git?branch=master#e33620ff)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded structopt-derive v0.2.8
[INFO] [stderr]   Downloaded structopt v0.2.8
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded tempfile v3.0.2
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded serde_json v1.0.19
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded backtrace v0.3.8
[INFO] [stderr]   Downloaded regex v1.0.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.23
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.0
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded proptest v0.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded bit-set v0.5.0
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.0
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded cargo_metadata v0.5.5
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded wait-timeout v0.1.5
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d3e4dbb85371a510f199d4f0c187b2f48cbb3e772bb7b801eccb471349429027
[INFO] running `Command { std: "docker" "start" "-a" "d3e4dbb85371a510f199d4f0c187b2f48cbb3e772bb7b801eccb471349429027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e4dbb85371a510f199d4f0c187b2f48cbb3e772bb7b801eccb471349429027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e4dbb85371a510f199d4f0c187b2f48cbb3e772bb7b801eccb471349429027", kill_on_drop: false }`
[INFO] [stdout] d3e4dbb85371a510f199d4f0c187b2f48cbb3e772bb7b801eccb471349429027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 02f795ecebe28f0f1683e000e9fdebeebe04a46b91b9a875fb4c9b0bc9a264d6
[INFO] running `Command { std: "docker" "start" "-a" "02f795ecebe28f0f1683e000e9fdebeebe04a46b91b9a875fb4c9b0bc9a264d6", kill_on_drop: false }`
[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]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking cmake v0.1.31
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[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]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking structopt v0.2.8
[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 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: the item `cargo_metadata` is imported redundantly
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cargo_metadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ---------------------------- the item `cargo_metadata` is already imported here
[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: the item `cargo_metadata` is imported redundantly
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cargo_metadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ---------------------------- the item `cargo_metadata` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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` which comes from the expansion of the macro `lazy_static` (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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "02f795ecebe28f0f1683e000e9fdebeebe04a46b91b9a875fb4c9b0bc9a264d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f795ecebe28f0f1683e000e9fdebeebe04a46b91b9a875fb4c9b0bc9a264d6", kill_on_drop: false }`
[INFO] [stdout] 02f795ecebe28f0f1683e000e9fdebeebe04a46b91b9a875fb4c9b0bc9a264d6
[INFO] checking PolySync/cargo-fel4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolySync%2Fcargo-fel4" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PolySync/cargo-fel4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/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-3-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f50b12fb3a1b332907525735f86fb8eaacc21f2adb4ca0880d1c05886f9b52d
[INFO] running `Command { std: "docker" "start" "-a" "3f50b12fb3a1b332907525735f86fb8eaacc21f2adb4ca0880d1c05886f9b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f50b12fb3a1b332907525735f86fb8eaacc21f2adb4ca0880d1c05886f9b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f50b12fb3a1b332907525735f86fb8eaacc21f2adb4ca0880d1c05886f9b52d", kill_on_drop: false }`
[INFO] [stdout] 3f50b12fb3a1b332907525735f86fb8eaacc21f2adb4ca0880d1c05886f9b52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6912f804e20dd1d6c4ad5f85b4612053b25f4ff7425a935cbc56c4cc3ad04f8b
[INFO] running `Command { std: "docker" "start" "-a" "6912f804e20dd1d6c4ad5f85b4612053b25f4ff7425a935cbc56c4cc3ad04f8b", kill_on_drop: false }`
[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]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking cmake v0.1.31
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking rusty-fork v0.2.0
[INFO] [stderr]     Checking cmake_config v0.1.0 (/opt/rustwide/workdir/cmake_config)
[INFO] [stderr]     Checking bit-set v0.5.0
[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] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking structopt v0.2.8
[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 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: the item `cargo_metadata` is imported redundantly
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cargo_metadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ---------------------------- the item `cargo_metadata` is already imported here
[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: the item `cargo_metadata` is imported redundantly
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cargo_metadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ---------------------------- the item `cargo_metadata` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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` which comes from the expansion of 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "6912f804e20dd1d6c4ad5f85b4612053b25f4ff7425a935cbc56c4cc3ad04f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6912f804e20dd1d6c4ad5f85b4612053b25f4ff7425a935cbc56c4cc3ad04f8b", kill_on_drop: false }`
[INFO] [stdout] 6912f804e20dd1d6c4ad5f85b4612053b25f4ff7425a935cbc56c4cc3ad04f8b