[INFO] fetching crate jwtvault 0.7.0...
[INFO] checking jwtvault-0.7.0 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate jwtvault 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jwtvault 0.7.0
[INFO] finished tweaking crates.io crate jwtvault 0.7.0
[INFO] tweaked toml for crates.io crate jwtvault 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jwtvault 0.7.0 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 150 packages to latest compatible versions
[INFO] [stderr]       Adding jsonwebtoken v7.2.0 (available: v10.4.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048
[INFO] running `Command { std: "docker" "start" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling jwtvault v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]  --> build.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = if cfg!(unix) {
[INFO] [stdout]   |                ^^^^^^^^^^ help: use cargo environment variables if possible: `std::env::var("CARGO_CFG_UNIX").is_ok()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jwtvault` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048", kill_on_drop: false }`
[INFO] [stdout] 554492cafc7477a9931c3c03230d62a3a02bde54c19916faf248fcda566a9048
