[INFO] cloning repository https://github.com/chrisz2zz/crabcan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisz2zz/crabcan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisz2zz%2Fcrabcan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisz2zz%2Fcrabcan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a67215874818acd374d78dec8ecb65116373875c [INFO] building chrisz2zz/crabcan against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisz2zz%2Fcrabcan" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chrisz2zz/crabcan on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chrisz2zz/crabcan [INFO] finished tweaking git repo https://github.com/chrisz2zz/crabcan [INFO] tweaked toml for git repo https://github.com/chrisz2zz/crabcan written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chrisz2zz/crabcan 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fde41352496d92e59aa8c5a27acd4e10594dd147a8aa3f5bce9ee84b7afd913 [INFO] running `Command { std: "docker" "start" "-a" "8fde41352496d92e59aa8c5a27acd4e10594dd147a8aa3f5bce9ee84b7afd913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fde41352496d92e59aa8c5a27acd4e10594dd147a8aa3f5bce9ee84b7afd913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fde41352496d92e59aa8c5a27acd4e10594dd147a8aa3f5bce9ee84b7afd913", kill_on_drop: false }` [INFO] [stdout] 8fde41352496d92e59aa8c5a27acd4e10594dd147a8aa3f5bce9ee84b7afd913 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 062eaf434ec100614187ddc5d5cca93f6a0040648bbdc697b109201c236d1ec4 [INFO] running `Command { std: "docker" "start" "-a" "062eaf434ec100614187ddc5d5cca93f6a0040648bbdc697b109201c236d1ec4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling pkg-config v0.3.31 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling seccomp-sys v0.1.3 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strum v0.21.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling syscallz v0.16.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling nix v0.22.3 [INFO] [stderr] Compiling rlimit v0.6.2 [INFO] [stderr] Compiling capctl v0.2.4 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling env_filter v0.1.2 [INFO] [stderr] Compiling cgroups-rs v0.2.11 [INFO] [stderr] Compiling scan_fmt v0.2.6 [INFO] [stderr] Compiling env_logger v0.11.5 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling crabcan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::libc::_IOFBF` [INFO] [stdout] --> src/namespace.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::libc::_IOFBF; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `child_pid` is never read [INFO] [stdout] --> src/container.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Container { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | child_pid: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | ContainerError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - ContainerError(u8), [INFO] [stdout] 6 + ContainerError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | NotSupported(u8), [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - NotSupported(u8), [INFO] [stdout] 7 + NotSupported(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | HostnameError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - HostnameError(u8), [INFO] [stdout] 9 + HostnameError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | MountsError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 - MountsError(u8), [INFO] [stdout] 11 + MountsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:12:20 [INFO] [stdout] | [INFO] [stdout] 12 | NamespaceError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - NamespaceError(u8), [INFO] [stdout] 12 + NamespaceError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | SocketError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - SocketError(u8), [INFO] [stdout] 13 + SocketError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:14:23 [INFO] [stdout] | [INFO] [stdout] 14 | ChildProcessError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - ChildProcessError(u8), [INFO] [stdout] 14 + ChildProcessError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | CapabilitiesError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 - CapabilitiesError(u8), [INFO] [stdout] 15 + CapabilitiesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | SyscallsError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 - SyscallsError(u8), [INFO] [stdout] 16 + SyscallsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:17:20 [INFO] [stdout] | [INFO] [stdout] 17 | ResourcesError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - ResourcesError(u8), [INFO] [stdout] 17 + ResourcesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc4ihKFR/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libenv_logger-047eccccea55f9d7.rlib,libanstream-8dd168a8ecd8e945.rlib,libanstyle_query-08f76fe670c99197.rlib,libis_terminal_polyfill-647f6f299eee1d38.rlib,libcolorchoice-468a8e9595a28460.rlib,libanstyle_parse-ceafd6d2778c1746.rlib,libutf8parse-69368f0ec3005ada.rlib,libenv_filter-a3c00cdc0c5e7de7.rlib,libanstyle-736ef78da7feb687.rlib,libhumantime-4c447dce01578f69.rlib,libsyscallz-4a2ad430c743f068.rlib,libstrum-9fe12364ca5cdea3.rlib,libseccomp_sys-cb863736a41c5896.rlib,librlimit-c30bb0449ac0db6e.rlib,libcgroups_rs-8c5ecf4a8ddaf9a0.rlib,libnix-a9b624a8c2099f02.rlib,liblog-faf469e4de46f969.rlib,librand-99fddfc83d7fc55f.rlib,librand_chacha-f4640a2827a14b68.rlib,libppv_lite86-69e6c975ac55ba9d.rlib,libzerocopy-65f24b0962d2ae8b.rlib,libbyteorder-d62393ca4a3b6260.rlib,librand_core-97eaf8247bb61faf.rlib,libgetrandom-dbc7467e5edec07f.rlib,libstructopt-16ffc20bb7773135.rlib,liblazy_static-30a961c9c1cd9eba.rlib,libclap-f4ee82a3fe2c5fd1.rlib,libvec_map-f04e21527147b93b.rlib,libtextwrap-ddc27e3c59d4a3e2.rlib,libunicode_width-ad2a47a33d5e0df8.rlib,libstrsim-b1c1c3e695a052dc.rlib,libatty-c05802aa373dda00.rlib,libansi_term-4bd2a49bf7de96b7.rlib,libnix-16902fd65835c6fe.rlib,libmemoffset-c47bf84733e71037.rlib,libcapctl-1b2a3c9943fe3a08.rlib,liblibc-11b9cc5fed6df92b.rlib,libbitflags-def4ff224bdcd924.rlib,libcfg_if-02ffc4ff30a29427.rlib,libscan_fmt-e3b66f9d8e46d768.rlib,libregex-92579b28dd233840.rlib,libregex_automata-a055142bce0f9314.rlib,libaho_corasick-9296d287630f9243.rlib,libmemchr-fee3213bd3067b8f.rlib,libregex_syntax-2dbc24c2b930e3ec.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lseccomp" "-lseccomp" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc4ihKFR/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/crabcan-ea8fb032c6651678" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crabcan` (bin "crabcan") due to 1 previous error; 13 warnings emitted [INFO] running `Command { std: "docker" "inspect" "062eaf434ec100614187ddc5d5cca93f6a0040648bbdc697b109201c236d1ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "062eaf434ec100614187ddc5d5cca93f6a0040648bbdc697b109201c236d1ec4", kill_on_drop: false }` [INFO] [stdout] 062eaf434ec100614187ddc5d5cca93f6a0040648bbdc697b109201c236d1ec4