[INFO] cloning repository https://github.com/xmarcux/mos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xmarcux/mos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmarcux%2Fmos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmarcux%2Fmos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f976fc7b1db218ed047cccbd161003812b478b2 [INFO] checking xmarcux/mos against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmarcux%2Fmos" "/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/xmarcux/mos on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xmarcux/mos [INFO] finished tweaking git repo https://github.com/xmarcux/mos [INFO] tweaked toml for git repo https://github.com/xmarcux/mos written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/xmarcux/mos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b7dd90562dbf87d8b0634f53cc47babd064b58962f72d05d693a77ea9043d3e [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" "6b7dd90562dbf87d8b0634f53cc47babd064b58962f72d05d693a77ea9043d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b7dd90562dbf87d8b0634f53cc47babd064b58962f72d05d693a77ea9043d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b7dd90562dbf87d8b0634f53cc47babd064b58962f72d05d693a77ea9043d3e", kill_on_drop: false }` [INFO] [stdout] 6b7dd90562dbf87d8b0634f53cc47babd064b58962f72d05d693a77ea9043d3e [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45178f5920375a3c01bcdff9c67488f8da308f2f6f0a743c7d8a9f75942a51b5 [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" "45178f5920375a3c01bcdff9c67488f8da308f2f6f0a743c7d8a9f75942a51b5", kill_on_drop: false }` [INFO] [stderr] Checking mos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/user.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut s_avail: &str; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/user.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut s_avail: &str; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Busy` [INFO] [stdout] --> src/user.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Busy, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `VideoConference` [INFO] [stdout] --> src/user.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | VideoConference, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `OnThePhone` [INFO] [stdout] --> src/user.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | OnThePhone, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Busy` [INFO] [stdout] --> src/user.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Busy, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `OutOfOffice` [INFO] [stdout] --> src/user.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | OutOfOffice, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `VideoConference` [INFO] [stdout] --> src/user.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | VideoConference, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoNotDesturb` [INFO] [stdout] --> src/user.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | DoNotDesturb, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `OnThePhone` [INFO] [stdout] --> src/user.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | OnThePhone, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `OutOfOffice` [INFO] [stdout] --> src/user.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | OutOfOffice, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoNotDesturb` [INFO] [stdout] --> src/user.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | DoNotDesturb, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_frm_str` [INFO] [stdout] --> src/user.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn from_frm_str(frm_str: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_frm_str` [INFO] [stdout] --> src/user.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn from_frm_str(frm_str: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::io::stdin().read_line(&mut u.nickname); [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/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::io::stdin().read_line(&mut u.nickname); [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/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | std::io::stdin().read_line(&mut u.name); [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/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | std::io::stdin().read_line(&mut u.name); [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/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | std::io::stdin().read_line(&mut u.surname); [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/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | std::io::stdin().read_line(&mut u.surname); [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/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | std::io::stdin().read_line(&mut u.profession); [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/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | std::io::stdin().read_line(&mut u.profession); [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "45178f5920375a3c01bcdff9c67488f8da308f2f6f0a743c7d8a9f75942a51b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45178f5920375a3c01bcdff9c67488f8da308f2f6f0a743c7d8a9f75942a51b5", kill_on_drop: false }` [INFO] [stdout] 45178f5920375a3c01bcdff9c67488f8da308f2f6f0a743c7d8a9f75942a51b5