[INFO] cloning repository https://github.com/KillingSpark/sessionman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KillingSpark/sessionman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d729ee9522a667eb37d990572d836f38439433 [INFO] testing KillingSpark/sessionman against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman" "/workspace/builds/worker-68/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KillingSpark/sessionman on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KillingSpark/sessionman [INFO] finished tweaking git repo https://github.com/KillingSpark/sessionman [INFO] tweaked toml for git repo https://github.com/KillingSpark/sessionman written to /workspace/builds/worker-68/source/Cargo.toml [INFO] crate git repo https://github.com/KillingSpark/sessionman already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded acl-sys v1.2.2 [INFO] [stderr] Downloaded rustbus v0.3.2 [INFO] [stderr] Downloaded acl-rs v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cab1837daf7b92a2407f2fe5429bc3128902a84e9f906141c83abb2f3503e6d7 [INFO] running `Command { std: "docker" "start" "-a" "cab1837daf7b92a2407f2fe5429bc3128902a84e9f906141c83abb2f3503e6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cab1837daf7b92a2407f2fe5429bc3128902a84e9f906141c83abb2f3503e6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cab1837daf7b92a2407f2fe5429bc3128902a84e9f906141c83abb2f3503e6d7", kill_on_drop: false }` [INFO] [stdout] cab1837daf7b92a2407f2fe5429bc3128902a84e9f906141c83abb2f3503e6d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] decc31d7b576a221650171deffe83427ab75e94168edc4e855945f681629ea67 [INFO] running `Command { std: "docker" "start" "-a" "decc31d7b576a221650171deffe83427ab75e94168edc4e855945f681629ea67", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling acl-sys v1.2.2 [INFO] [stderr] Compiling acl-rs v0.1.0 [INFO] [stderr] Compiling rustbus v0.3.2 [INFO] [stderr] Compiling sessionman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 14 | [INFO] [stdout] 15 | let mut sesman = session::SessionManager::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `session_id` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let session_id = sesman [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FREEZE_FILE_NAME` [INFO] [stdout] --> src/cgroupv2.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const FREEZE_FILE_NAME: &'static str = "cgroup.freeze"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `freeze` [INFO] [stdout] --> src/cgroupv2.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn freeze(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `thaw` [INFO] [stdout] --> src/cgroupv2.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn thaw(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IoError` [INFO] [stdout] --> src/seat.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | IoError(std::io::Error), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/session.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | self.session_aquire_seat(&session_id, &"seat0".into()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/session.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | self.session_leave_seat(session_id, &seat_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.sessionman.89001a88-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01.1l4777t78q31w3nc.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librustbus-febd8f6bcfb61bf1.rlib" "/opt/rustwide/target/debug/deps/libnix-1d28719e7c3ff790.rlib" "/opt/rustwide/target/debug/deps/libacl_rs-b77402f7c4833f37.rlib" "/opt/rustwide/target/debug/deps/libnix-bab82b00e053f4f0.rlib" "/opt/rustwide/target/debug/deps/libvoid-fc8910124e59282b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/libacl_sys-ec57f0db73f98c4a.rlib" "/opt/rustwide/target/debug/deps/liblibc-44529e2eefa3d0bb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lacl" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/sessionman-a4883d496f929b01" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lacl [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sessionman` due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "decc31d7b576a221650171deffe83427ab75e94168edc4e855945f681629ea67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "decc31d7b576a221650171deffe83427ab75e94168edc4e855945f681629ea67", kill_on_drop: false }` [INFO] [stdout] decc31d7b576a221650171deffe83427ab75e94168edc4e855945f681629ea67