[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] checking KillingSpark/sessionman against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KillingSpark/sessionman on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-22/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded acl-sys v1.2.2 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded acl-rs v0.1.0 [INFO] [stderr] Downloaded rustbus v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3976e1c4a3a94a45f49cffcee53d390e1208d593eb040c84f95dcb1398cde546 [INFO] running `Command { std: "docker" "start" "-a" "3976e1c4a3a94a45f49cffcee53d390e1208d593eb040c84f95dcb1398cde546", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3976e1c4a3a94a45f49cffcee53d390e1208d593eb040c84f95dcb1398cde546", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3976e1c4a3a94a45f49cffcee53d390e1208d593eb040c84f95dcb1398cde546", kill_on_drop: false }` [INFO] [stdout] 3976e1c4a3a94a45f49cffcee53d390e1208d593eb040c84f95dcb1398cde546 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b494a63160694b3138ce12b8a4a69409ac96a36c79652ee74f37fe8d06913bff [INFO] running `Command { std: "docker" "start" "-a" "b494a63160694b3138ce12b8a4a69409ac96a36c79652ee74f37fe8d06913bff", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking void v1.0.2 [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 acl-rs v0.1.0 [INFO] [stderr] Checking rustbus v0.3.2 [INFO] [stderr] Checking sessionman v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (1 fix) [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: 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: 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] 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] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.75s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking sessionman v0.1.0 (/tmp/fixit) [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: 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: 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] 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] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "b494a63160694b3138ce12b8a4a69409ac96a36c79652ee74f37fe8d06913bff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b494a63160694b3138ce12b8a4a69409ac96a36c79652ee74f37fe8d06913bff", kill_on_drop: false }` [INFO] [stdout] b494a63160694b3138ce12b8a4a69409ac96a36c79652ee74f37fe8d06913bff