[INFO] fetching crate inputplug 0.4.0...
[INFO] testing inputplug-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate inputplug 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate inputplug 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-6/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" "+beta-2021-08-01" "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 proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded pidfile-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f081a1aa8fe047b8d563d47b894f9af15c6f428f24b8b827030d9f9ce78babe9
[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" "f081a1aa8fe047b8d563d47b894f9af15c6f428f24b8b827030d9f9ce78babe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f081a1aa8fe047b8d563d47b894f9af15c6f428f24b8b827030d9f9ce78babe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f081a1aa8fe047b8d563d47b894f9af15c6f428f24b8b827030d9f9ce78babe9", kill_on_drop: false }`
[INFO] [stdout] f081a1aa8fe047b8d563d47b894f9af15c6f428f24b8b827030d9f9ce78babe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", 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] 80d15b5166523f86ce1a1df15e88e87ce846317a081e505ece09101357843968
[INFO] running `Command { std: "docker" "start" "-a" "80d15b5166523f86ce1a1df15e88e87ce846317a081e505ece09101357843968", kill_on_drop: false }`
[INFO] [stderr]    Compiling pidfile-rs v0.1.0
[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 structopt v0.3.22
[INFO] [stderr]    Compiling thiserror v1.0.26
[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-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.inputplug.85022fc1-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d.3iky59sux2v3v4ay.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libx11rb-9e3b29471f89aa54.rlib" "/opt/rustwide/target/debug/deps/libgethostname-9752c99673054edd.rlib" "/opt/rustwide/target/debug/deps/libnix-4d086675c710fa45.rlib" "/opt/rustwide/target/debug/deps/libanyhow-b5a17cdd882001a9.rlib" "/opt/rustwide/target/debug/deps/libstructopt-813535d59ff73f7f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib" "/opt/rustwide/target/debug/deps/libclap-4c2a397cda034b27.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8a32c8a8bd620f54.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-31fed32a2fe36ec3.rlib" "/opt/rustwide/target/debug/deps/libpidfile_rs-a18fbcbef5fe36a5.rlib" "/opt/rustwide/target/debug/deps/libthiserror-46d88149390f77ac.rlib" "/opt/rustwide/target/debug/deps/liblog-6eac8828b0293875.rlib" "/opt/rustwide/target/debug/deps/libnix-8cb6e17d1b0331da.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-3e61ca8e83be7f2b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0d27f345b2a6a3cd.rlib" "/opt/rustwide/target/debug/deps/liblibc-2905202ccbb59569.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/inputplug-8d0cf2ad13bd0d0d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libpidfile_rs-a18fbcbef5fe36a5.rlib(pidfile_rs-a18fbcbef5fe36a5.pidfile_rs.5978042f-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-a18fbcbef5fe36a5.rlib(pidfile_rs-a18fbcbef5fe36a5.pidfile_rs.5978042f-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-a18fbcbef5fe36a5.rlib(pidfile_rs-a18fbcbef5fe36a5.pidfile_rs.5978042f-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" "80d15b5166523f86ce1a1df15e88e87ce846317a081e505ece09101357843968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d15b5166523f86ce1a1df15e88e87ce846317a081e505ece09101357843968", kill_on_drop: false }`
[INFO] [stdout] 80d15b5166523f86ce1a1df15e88e87ce846317a081e505ece09101357843968
