[INFO] cloning repository https://github.com/Sigient/escape_tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sigient/escape_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigient%2Fescape_tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigient%2Fescape_tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b747a2d68cfdbf543b8f42232efdf0c433e86b5e
[INFO] testing Sigient/escape_tools against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigient%2Fescape_tools" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sigient/escape_tools on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sigient/escape_tools
[INFO] finished tweaking git repo https://github.com/Sigient/escape_tools
[INFO] tweaked toml for git repo https://github.com/Sigient/escape_tools written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Sigient/escape_tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 819329eb0ebfee754a34400d83f15aa31706d02ea4c6742dd93743cf0d897de0
[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" "819329eb0ebfee754a34400d83f15aa31706d02ea4c6742dd93743cf0d897de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "819329eb0ebfee754a34400d83f15aa31706d02ea4c6742dd93743cf0d897de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819329eb0ebfee754a34400d83f15aa31706d02ea4c6742dd93743cf0d897de0", kill_on_drop: false }`
[INFO] [stdout] 819329eb0ebfee754a34400d83f15aa31706d02ea4c6742dd93743cf0d897de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] f194f422a94ef75f70f696a258937129e8840b73e7448b4d2e17e9af1c075b86
[INFO] running `Command { std: "docker" "start" "-a" "f194f422a94ef75f70f696a258937129e8840b73e7448b4d2e17e9af1c075b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling urlencoding v0.2.0
[INFO] [stderr]    Compiling marksman_escape v0.1.2
[INFO] [stderr]    Compiling ruru v0.9.3
[INFO] [stderr]    Compiling escape_tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:27:47
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 VM::raise(e.to_exception(), e.description());
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:51:47
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 VM::raise(e.to_exception(), e.description());
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `EscapeTools`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     EscapeTools,
[INFO] [stdout]    |     ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | class!(EscapeTools);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `EscapeTools`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     EscapeTools,
[INFO] [stdout]    |     ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | class!(EscapeTools);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.escape_tools.6ijkv10p-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libescape_tools.so" "-Wl,--version-script=/tmp/rustcCJwFnH/list" "/opt/rustwide/target/debug/deps/escape_tools.34h5txcx9xxj8ffx.rcgu.o" "/opt/rustwide/target/debug/deps/escape_tools.52tma9682htapa2k.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libmarksman_escape-5a550d1c1a2c1185.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/liburlencoding-540c60275aa3cf15.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libruru-5a6ff0283831d0ae.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libruby_sys-56db516bbabfef2b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/liblibc-dc3970bad2fcfb85.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/liblazy_static-e32a991de8bae5fe.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libstd-f14aca24435a5414.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libpanic_unwind-48d342a8b48d1d01.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libminiz_oxide-14bc0820888c8eb3.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libadler-9cbd9e217bff06bc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libobject-31826136df98934e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libaddr2line-075976a117c8fd5d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libgimli-2d5cbedfbf17a011.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/librustc_demangle-0474372ff08c5319.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libhashbrown-d437c34460d2315a.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libunwind-bf76d1b643bfc9f0.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libcfg_if-a1b53aa7fddcf418.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/liblibc-28585e57fac45c73.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/liballoc-64801769bc15ab28.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/librustc_std_workspace_core-541997b56bb98660.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcCJwFnH/libcore-cdea3c81adab3d12.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcCJwFnH/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lruby-2.7" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lruby-2.7
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `escape_tools`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f194f422a94ef75f70f696a258937129e8840b73e7448b4d2e17e9af1c075b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f194f422a94ef75f70f696a258937129e8840b73e7448b4d2e17e9af1c075b86", kill_on_drop: false }`
[INFO] [stdout] f194f422a94ef75f70f696a258937129e8840b73e7448b4d2e17e9af1c075b86
