[INFO] fetching crate inputplug 0.4.0...
[INFO] testing inputplug-0.4.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate inputplug 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate inputplug 0.4.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inputplug 0.4.0
[INFO] finished tweaking crates.io crate inputplug 0.4.0
[INFO] tweaked toml for crates.io crate inputplug 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate inputplug 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded pidfile-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ac584bb3663fadb0ff7f14308d45d468e298dfc63761cb2fb9bcfa6fb197043
[INFO] running `Command { std: "docker" "start" "-a" "1ac584bb3663fadb0ff7f14308d45d468e298dfc63761cb2fb9bcfa6fb197043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac584bb3663fadb0ff7f14308d45d468e298dfc63761cb2fb9bcfa6fb197043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac584bb3663fadb0ff7f14308d45d468e298dfc63761cb2fb9bcfa6fb197043", kill_on_drop: false }`
[INFO] [stdout] 1ac584bb3663fadb0ff7f14308d45d468e298dfc63761cb2fb9bcfa6fb197043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fa66385b79e96b3f6a3c9ee5f492a7bf9e5f6c6a44f76f85e48d99ee195a96c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6fa66385b79e96b3f6a3c9ee5f492a7bf9e5f6c6a44f76f85e48d99ee195a96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling pidfile-rs v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling x11rb v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling inputplug v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/main.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn to_cmdline(&self, conn: &impl RequestConnection) -> Vec<String> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.inputplug.9a58ab15-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4.537vov979d04jhi8.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libx11rb-3928d8c3637d0440.rlib" "/opt/rustwide/target/debug/deps/libgethostname-e8b79d78f9e9edb8.rlib" "/opt/rustwide/target/debug/deps/libnix-a45f8b3f8e92628c.rlib" "/opt/rustwide/target/debug/deps/libanyhow-e183bb2174e494e4.rlib" "/opt/rustwide/target/debug/deps/libstructopt-9b9f2d51ae19a649.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/libclap-cdb5f4c5227614d9.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-678d5d865513eebc.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-58fa4f49044d3e0e.rlib" "/opt/rustwide/target/debug/deps/libpidfile_rs-7689921ff5c982ff.rlib" "/opt/rustwide/target/debug/deps/libthiserror-f503a00c1c1a6b44.rlib" "/opt/rustwide/target/debug/deps/liblog-01281b64fe0b6ea0.rlib" "/opt/rustwide/target/debug/deps/libnix-a7510333bd813b9b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-69b0d154ae3fe323.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/liblibc-9b2e8dd731b3973a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/inputplug-bb13138c11a38aa4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libpidfile_rs-7689921ff5c982ff.rlib(pidfile_rs-7689921ff5c982ff.pidfile_rs.96518a61-cgu.0.rcgu.o): in function `pidfile_rs::Pidfile::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pidfile-rs-0.1.0/src/lib.rs:124: undefined reference to `pidfile_open'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libpidfile_rs-7689921ff5c982ff.rlib(pidfile_rs-7689921ff5c982ff.pidfile_rs.96518a61-cgu.0.rcgu.o): in function `pidfile_rs::Pidfile::write':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pidfile-rs-0.1.0/src/lib.rs:156: undefined reference to `pidfile_write'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libpidfile_rs-7689921ff5c982ff.rlib(pidfile_rs-7689921ff5c982ff.pidfile_rs.96518a61-cgu.0.rcgu.o): in function `<pidfile_rs::Pidfile as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pidfile-rs-0.1.0/src/lib.rs:183: undefined reference to `pidfile_remove'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inputplug` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6fa66385b79e96b3f6a3c9ee5f492a7bf9e5f6c6a44f76f85e48d99ee195a96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa66385b79e96b3f6a3c9ee5f492a7bf9e5f6c6a44f76f85e48d99ee195a96c", kill_on_drop: false }`
[INFO] [stdout] 6fa66385b79e96b3f6a3c9ee5f492a7bf9e5f6c6a44f76f85e48d99ee195a96c