[INFO] cloning repository https://github.com/alerighi/tabox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alerighi/tabox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falerighi%2Ftabox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falerighi%2Ftabox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c7f79099b7d8bcfa8cf0b9f0c64796593eefbba
[INFO] testing alerighi/tabox against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falerighi%2Ftabox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alerighi/tabox on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alerighi/tabox
[INFO] finished tweaking git repo https://github.com/alerighi/tabox
[INFO] tweaked toml for git repo https://github.com/alerighi/tabox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alerighi/tabox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 804e598a4495196ccdcbbac4aeb85878b81b21aa3eaba39064c2501215145c7d
[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" "804e598a4495196ccdcbbac4aeb85878b81b21aa3eaba39064c2501215145c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804e598a4495196ccdcbbac4aeb85878b81b21aa3eaba39064c2501215145c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804e598a4495196ccdcbbac4aeb85878b81b21aa3eaba39064c2501215145c7d", kill_on_drop: false }`
[INFO] [stdout] 804e598a4495196ccdcbbac4aeb85878b81b21aa3eaba39064c2501215145c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452e4f438f8376be48bd63699bd07894dff678b2fd51f3c5570e3a8206eb6e86
[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" "452e4f438f8376be48bd63699bd07894dff678b2fd51f3c5570e3a8206eb6e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]    Compiling nix v0.16.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling core_affinity v0.5.9
[INFO] [stderr]    Compiling signal-hook v0.1.13
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling tabox v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.80s
[INFO] running `Command { std: "docker" "inspect" "452e4f438f8376be48bd63699bd07894dff678b2fd51f3c5570e3a8206eb6e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452e4f438f8376be48bd63699bd07894dff678b2fd51f3c5570e3a8206eb6e86", kill_on_drop: false }`
[INFO] [stdout] 452e4f438f8376be48bd63699bd07894dff678b2fd51f3c5570e3a8206eb6e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8ed2cca95f9eadff5ca76c741b1aea9477a3f0cd646b61f1b8a8c5986e02e46
[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" "d8ed2cca95f9eadff5ca76c741b1aea9477a3f0cd646b61f1b8a8c5986e02e46", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabox v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.tabox.mtjovpx3-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff" "/opt/rustwide/target/debug/deps/tabox-9b3f5fe0c5e34fff.2n3rcefoiapobuu3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-3cf169fb36d25f90/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserde_json-0c520a3ac0d72f1e.rlib" "/opt/rustwide/target/debug/deps/libryu-6789feef2c10d17e.rlib" "/opt/rustwide/target/debug/deps/libitoa-ad466912a71ab2a3.rlib" "/opt/rustwide/target/debug/deps/libtempdir-0747451684b2d789.rlib" "/opt/rustwide/target/debug/deps/libremove_dir_all-e6bdecb256edde3d.rlib" "/opt/rustwide/target/debug/deps/librand-f9afbe947f2944b8.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-e07bcf940e225201.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-31cf5964a4b1fc7a.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-ff22447ec84e8f95.rlib" "/opt/rustwide/target/debug/deps/libseccomp_sys-09fd41e00c25dbe8.rlib" "/opt/rustwide/target/debug/deps/libfailure-ca90b4cbdd20e972.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-96a974ff1e9d69be.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-930c90e5de0e718a.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-cd0ead7d00ad78db.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6609e81d71a1bf05.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c352aab3e89370e6.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-5a89b15f567bd092.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-f48d3ad387757b0f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-bf2dc5d6d88f70a5.rlib" "/opt/rustwide/target/debug/deps/libnix-08cfabdf1b026d4f.rlib" "/opt/rustwide/target/debug/deps/liblibc-f4edbf414f409604.rlib" "/opt/rustwide/target/debug/deps/libvoid-90ec4b4a2f3d40d2.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libserde-85c912e59adbc951.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/liblog-bf3c59a5ff900e52.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lseccomp" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lseccomp
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tabox`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d8ed2cca95f9eadff5ca76c741b1aea9477a3f0cd646b61f1b8a8c5986e02e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ed2cca95f9eadff5ca76c741b1aea9477a3f0cd646b61f1b8a8c5986e02e46", kill_on_drop: false }`
[INFO] [stdout] d8ed2cca95f9eadff5ca76c741b1aea9477a3f0cd646b61f1b8a8c5986e02e46