[INFO] fetching crate ffcnt 0.3.0... [INFO] testing ffcnt-0.3.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate ffcnt 0.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ffcnt 0.3.0 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 crates.io crate ffcnt 0.3.0 [INFO] finished tweaking crates.io crate ffcnt 0.3.0 [INFO] tweaked toml for crates.io crate ffcnt 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 17364ccafebbf0aee8fafcaaa54e89db8d85a12af23a866aafd72325ef869575 [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" "17364ccafebbf0aee8fafcaaa54e89db8d85a12af23a866aafd72325ef869575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17364ccafebbf0aee8fafcaaa54e89db8d85a12af23a866aafd72325ef869575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17364ccafebbf0aee8fafcaaa54e89db8d85a12af23a866aafd72325ef869575", kill_on_drop: false }` [INFO] [stdout] 17364ccafebbf0aee8fafcaaa54e89db8d85a12af23a866aafd72325ef869575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 48e48625975cb7fad7db8176ead110cf3c4a53240e5bb04001917a3b002fd73b [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" "48e48625975cb7fad7db8176ead110cf3c4a53240e5bb04001917a3b002fd73b", kill_on_drop: false }` [INFO] [stderr] Compiling uuid v0.3.1 [INFO] [stderr] Compiling case v0.1.0 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling minilzo-sys v0.1.0 [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling mnt v0.3.1 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling minilzo v0.1.2 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling derive-error v0.0.3 [INFO] [stderr] Compiling btrfs2 v1.2.2 [INFO] [stderr] Compiling platter-walk v0.1.2 [INFO] [stderr] Compiling ffcnt v0.3.0 (/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/main.rs:177:56 [INFO] [stdout] | [INFO] [stdout] 177 | writeln!(std::io::stderr(),"{}", e.description()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [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/main.rs:204:48 [INFO] [stdout] | [INFO] [stdout] 204 | writeln!(std::io::stderr(),"{}", e.description()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.ffcnt.2e0ia7x1-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c" "/opt/rustwide/target/debug/deps/ffcnt-3f81c6102cc9891c.zn0mkwe5mapa9qc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/miniz-sys-f439fb67761f81e0/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/libisatty-7428946dce4a3a23.rlib" "/opt/rustwide/target/debug/deps/libplatter_walk-697741c2a95b651f.rlib" "/opt/rustwide/target/debug/deps/libmnt-0d3d869a6b586f19.rlib" "/opt/rustwide/target/debug/deps/libbtrfs2-5a14432540017df3.rlib" "/opt/rustwide/target/debug/deps/libuuid-ef7a4b7fbfa8a923.rlib" "/opt/rustwide/target/debug/deps/libminilzo-ac081840342792b4.rlib" "/opt/rustwide/target/debug/deps/libminilzo_sys-82531edc9c64afa6.rlib" "/opt/rustwide/target/debug/deps/libflate2-bafbf39209d61485.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-34830afd5c64f83f.rlib" "/opt/rustwide/target/debug/deps/libcrc-a4e1a16bcb5e832a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-9850e1ed257f46c2.rlib" "/opt/rustwide/target/debug/deps/libnix-bcf42328d9e34e2d.rlib" "/opt/rustwide/target/debug/deps/libvoid-90ec4b4a2f3d40d2.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.rlib" "/opt/rustwide/target/debug/deps/libclap-55c0c88d018a5e9d.rlib" "/opt/rustwide/target/debug/deps/libvec_map-97b2d50686bf36e9.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c6e5ad5dd55bdd8b.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-6a2548713a451fe0.rlib" "/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libatty-a56a033fb6ef07fa.rlib" "/opt/rustwide/target/debug/deps/liblibc-e0846f52673851a4.rlib" "/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.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" "-llzo2" "-lz" "-llzo2" "-llzo2" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" [INFO] [stdout] = note: /usr/bin/ld: cannot find -llzo2 [INFO] [stdout] /usr/bin/ld: cannot find -llzo2 [INFO] [stdout] /usr/bin/ld: cannot find -llzo2 [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ffcnt` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "48e48625975cb7fad7db8176ead110cf3c4a53240e5bb04001917a3b002fd73b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e48625975cb7fad7db8176ead110cf3c4a53240e5bb04001917a3b002fd73b", kill_on_drop: false }` [INFO] [stdout] 48e48625975cb7fad7db8176ead110cf3c4a53240e5bb04001917a3b002fd73b