[INFO] cloning repository https://github.com/simonask/stringleton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonask/stringleton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fstringleton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fstringleton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11d0a99409667a7552a2511b591ad916f675d2ff
[INFO] checking simonask/stringleton against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fstringleton" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/simonask/stringleton
[INFO] finished tweaking git repo https://github.com/simonask/stringleton
[INFO] tweaked toml for git repo https://github.com/simonask/stringleton written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simonask/stringleton 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] crate git repo https://github.com/simonask/stringleton 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370
[INFO] running `Command { std: "docker" "start" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370", 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" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370", 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" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling linkme-impl v0.3.35
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling linkme v0.3.35
[INFO] [stderr]     Checking ctor v0.6.3
[INFO] [stderr]    Compiling dylib-tests v0.0.0 (/opt/rustwide/workdir/tests/dylib)
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]  --> tests/dylib/build.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let libname = if cfg!(windows) {
[INFO] [stdout]   |                      ^^^^^^^^^^^^^ help: use cargo environment variables if possible: `std::env::var("CARGO_CFG_WINDOWS").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 `dylib-tests` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370", kill_on_drop: false }`
[INFO] [stdout] 5a7646bdbfcdaf7c1c770c84893b4e37d00b06c8618cfa7f467c5ac2624b6370