[INFO] fetching crate inputplug 0.4.0...
[INFO] testing inputplug-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate inputplug 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate inputplug 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-1/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d9ff67328d3ca560ef289d0e322955c592e6d8956a71055e4f03f8a193d2158
[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" "1d9ff67328d3ca560ef289d0e322955c592e6d8956a71055e4f03f8a193d2158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9ff67328d3ca560ef289d0e322955c592e6d8956a71055e4f03f8a193d2158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9ff67328d3ca560ef289d0e322955c592e6d8956a71055e4f03f8a193d2158", kill_on_drop: false }`
[INFO] [stdout] 1d9ff67328d3ca560ef289d0e322955c592e6d8956a71055e4f03f8a193d2158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c0ccd645d2216812709938ac03d7c0dd30e59849700bdb85fa3d1520b6622c
[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" "48c0ccd645d2216812709938ac03d7c0dd30e59849700bdb85fa3d1520b6622c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pidfile-rs v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 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-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.inputplug.c9xxklmk-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4.21ha7w4gvwa2f85i.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libx11rb-f1e42625a0625068.rlib" "/opt/rustwide/target/debug/deps/libgethostname-72cc04f7fe59a2a3.rlib" "/opt/rustwide/target/debug/deps/libnix-c0954442ad574d49.rlib" "/opt/rustwide/target/debug/deps/libanyhow-d1e64256fbcc8ff8.rlib" "/opt/rustwide/target/debug/deps/libstructopt-047635fe371e3910.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib" "/opt/rustwide/target/debug/deps/libclap-ca755632d9d813e2.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-3bb22fb43a400e8d.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-5cf7ed896e8bb5a9.rlib" "/opt/rustwide/target/debug/deps/libpidfile_rs-38f71103ade63f0a.rlib" "/opt/rustwide/target/debug/deps/libthiserror-4296f2b662ac8932.rlib" "/opt/rustwide/target/debug/deps/liblog-975203197fcf8dc1.rlib" "/opt/rustwide/target/debug/deps/libnix-61c54ec6b718a5a4.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-a4c825f710da72a7.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-38c8a3e888ecb06a.rlib" "/opt/rustwide/target/debug/deps/liblibc-01feaa3f8fb69fd7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/inputplug-6da99c77aa9e0db4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libpidfile_rs-38f71103ade63f0a.rlib(pidfile_rs-38f71103ade63f0a.pidfile_rs.4qcbu4f0-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-38f71103ade63f0a.rlib(pidfile_rs-38f71103ade63f0a.pidfile_rs.4qcbu4f0-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-38f71103ade63f0a.rlib(pidfile_rs-38f71103ade63f0a.pidfile_rs.4qcbu4f0-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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inputplug`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "48c0ccd645d2216812709938ac03d7c0dd30e59849700bdb85fa3d1520b6622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c0ccd645d2216812709938ac03d7c0dd30e59849700bdb85fa3d1520b6622c", kill_on_drop: false }`
[INFO] [stdout] 48c0ccd645d2216812709938ac03d7c0dd30e59849700bdb85fa3d1520b6622c
