[INFO] cloning repository https://github.com/stefanobieler/combination_lock [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanobieler/combination_lock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanobieler%2Fcombination_lock", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanobieler%2Fcombination_lock'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c900aed4891d872a8c69da01b336dc093a21282 [INFO] checking stefanobieler/combination_lock against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanobieler%2Fcombination_lock" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stefanobieler/combination_lock 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/stefanobieler/combination_lock [INFO] finished tweaking git repo https://github.com/stefanobieler/combination_lock [INFO] tweaked toml for git repo https://github.com/stefanobieler/combination_lock written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/stefanobieler/combination_lock 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a2c788328cc9e14d6ea34134f2b184fa2419feef12fda8a0085e265eb25fb97b [INFO] running `Command { std: "docker" "start" "-a" "a2c788328cc9e14d6ea34134f2b184fa2419feef12fda8a0085e265eb25fb97b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2c788328cc9e14d6ea34134f2b184fa2419feef12fda8a0085e265eb25fb97b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c788328cc9e14d6ea34134f2b184fa2419feef12fda8a0085e265eb25fb97b", kill_on_drop: false }` [INFO] [stdout] a2c788328cc9e14d6ea34134f2b184fa2419feef12fda8a0085e265eb25fb97b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d234c7c6d7d4c68ddeae1725b0a9ad66353ac63a8a4f97a07387e0d6720f37b3 [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" "d234c7c6d7d4c68ddeae1725b0a9ad66353ac63a8a4f97a07387e0d6720f37b3", 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] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | / /// read and check if we read successfully from the line. [INFO] [stdout] 31 | | /// read_line returns an io::Result which is an enumeration that has [INFO] [stdout] 32 | | /// two states; Ok and Err. [INFO] [stdout] | |___________________________________________^ [INFO] [stdout] 33 | / match stdin().read_line(&mut input) { [INFO] [stdout] 34 | | // if read_line returned a result that was Ok [INFO] [stdout] 35 | | Ok(_) => { [INFO] [stdout] 36 | | entry.push_str(&input.trim_end()); // push the input onto the entry. [INFO] [stdout] ... | [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | /// if the entry is equal to the code then unlock. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 45 | / if entry == code { [INFO] [stdout] 46 | | state = State::Unlocked; // set state to unlock [INFO] [stdout] 47 | | continue; // return to main loop. [INFO] [stdout] 48 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | / /// right when the user inputs the wrong code [INFO] [stdout] 51 | | /// change the state to failed. [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] 52 | / if !code.starts_with(&entry) { [INFO] [stdout] 53 | | state = State::Failed; // set the state to failed. [INFO] [stdout] 54 | | continue; // return to main loop [INFO] [stdout] 55 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | / /// read and check if we read successfully from the line. [INFO] [stdout] 31 | | /// read_line returns an io::Result which is an enumeration that has [INFO] [stdout] 32 | | /// two states; Ok and Err. [INFO] [stdout] | |___________________________________________^ [INFO] [stdout] 33 | / match stdin().read_line(&mut input) { [INFO] [stdout] 34 | | // if read_line returned a result that was Ok [INFO] [stdout] 35 | | Ok(_) => { [INFO] [stdout] 36 | | entry.push_str(&input.trim_end()); // push the input onto the entry. [INFO] [stdout] ... | [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | /// if the entry is equal to the code then unlock. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 45 | / if entry == code { [INFO] [stdout] 46 | | state = State::Unlocked; // set state to unlock [INFO] [stdout] 47 | | continue; // return to main loop. [INFO] [stdout] 48 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | / /// right when the user inputs the wrong code [INFO] [stdout] 51 | | /// change the state to failed. [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] 52 | / if !code.starts_with(&entry) { [INFO] [stdout] 53 | | state = State::Failed; // set the state to failed. [INFO] [stdout] 54 | | continue; // return to main loop [INFO] [stdout] 55 | | } [INFO] [stdout] | |_________________- rustdoc does not generate documentation for expressions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "d234c7c6d7d4c68ddeae1725b0a9ad66353ac63a8a4f97a07387e0d6720f37b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d234c7c6d7d4c68ddeae1725b0a9ad66353ac63a8a4f97a07387e0d6720f37b3", kill_on_drop: false }` [INFO] [stdout] d234c7c6d7d4c68ddeae1725b0a9ad66353ac63a8a4f97a07387e0d6720f37b3