[INFO] fetching crate xc2bit 0.0.4...
[INFO] checking xc2bit-0.0.4 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate xc2bit 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate xc2bit 0.0.4 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xc2bit 0.0.4
[INFO] finished tweaking crates.io crate xc2bit 0.0.4
[INFO] tweaked toml for crates.io crate xc2bit 0.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate xc2bit 0.0.4 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded yosys-netlist-json v0.0.3
[INFO] [stderr]   Downloaded jedec v0.0.3
[INFO] [stderr]   Downloaded bittwiddler v0.0.2
[INFO] [stderr]   Downloaded serde v1.0.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9bf2cf6b971541f2aa008966097b44344df0578caad715ffc0339571cf3c7ac
[INFO] running `Command { std: "docker" "start" "-a" "a9bf2cf6b971541f2aa008966097b44344df0578caad715ffc0339571cf3c7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9bf2cf6b971541f2aa008966097b44344df0578caad715ffc0339571cf3c7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bf2cf6b971541f2aa008966097b44344df0578caad715ffc0339571cf3c7ac", kill_on_drop: false }`
[INFO] [stdout] a9bf2cf6b971541f2aa008966097b44344df0578caad715ffc0339571cf3c7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d474503e3219c0df0cd986a02b6ed9ade0353147ca4164e0bcf1676b3b30654
[INFO] running `Command { std: "docker" "start" "-a" "9d474503e3219c0df0cd986a02b6ed9ade0353147ca4164e0bcf1676b3b30654", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling xc2bit v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking jedec v0.0.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling bittwiddler v0.0.2
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking yosys-netlist-json v0.0.3
[INFO] [stdout] warning: function `run_one_reftest` is never used
[INFO] [stdout]    --> src/lib.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn run_one_reftest(jed_filename: &'static str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9d474503e3219c0df0cd986a02b6ed9ade0353147ca4164e0bcf1676b3b30654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d474503e3219c0df0cd986a02b6ed9ade0353147ca4164e0bcf1676b3b30654", kill_on_drop: false }`
[INFO] [stdout] 9d474503e3219c0df0cd986a02b6ed9ade0353147ca4164e0bcf1676b3b30654
