[INFO] updating cached repository https://github.com/KillingSpark/sessionman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d729ee9522a667eb37d990572d836f38439433 [INFO] checking KillingSpark/sessionman against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KillingSpark/sessionman on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 303ea175f85d6eac96fec61af1c664cfc9fbddc1a95ab9f22ca2e7cf419eeca3 [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" "303ea175f85d6eac96fec61af1c664cfc9fbddc1a95ab9f22ca2e7cf419eeca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "303ea175f85d6eac96fec61af1c664cfc9fbddc1a95ab9f22ca2e7cf419eeca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "303ea175f85d6eac96fec61af1c664cfc9fbddc1a95ab9f22ca2e7cf419eeca3", kill_on_drop: false }` [INFO] [stdout] 303ea175f85d6eac96fec61af1c664cfc9fbddc1a95ab9f22ca2e7cf419eeca3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f06b58413bda595c714d3bfa8669a271ac37a63a7011bd7e9d148d76370dbf9 [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" "4f06b58413bda595c714d3bfa8669a271ac37a63a7011bd7e9d148d76370dbf9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking acl-sys v1.2.2 [INFO] [stderr] Checking rustbus v0.3.2 [INFO] [stderr] Checking acl-rs v0.1.0 [INFO] [stderr] Checking 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: 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: 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 `std::result::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 `std::result::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] warning: 8 warnings emitted [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 `std::result::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 `std::result::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] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.36s [INFO] running `Command { std: "docker" "inspect" "4f06b58413bda595c714d3bfa8669a271ac37a63a7011bd7e9d148d76370dbf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f06b58413bda595c714d3bfa8669a271ac37a63a7011bd7e9d148d76370dbf9", kill_on_drop: false }` [INFO] [stdout] 4f06b58413bda595c714d3bfa8669a271ac37a63a7011bd7e9d148d76370dbf9