[INFO] cloning repository https://github.com/ajmwagar/calc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmwagar/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fcalc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fcalc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b55f230da5f96e8f4dcefe34c55133e559de521b [INFO] checking ajmwagar/calc against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fcalc" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 89% (446/496) Updating files: 90% (447/496) Updating files: 91% (452/496) Updating files: 92% (457/496) Updating files: 93% (462/496) Updating files: 94% (467/496) Updating files: 95% (472/496) Updating files: 96% (477/496) Updating files: 97% (482/496) Updating files: 98% (487/496) Updating files: 99% (492/496) Updating files: 100% (496/496) Updating files: 100% (496/496), done. [INFO] validating manifest of git repo https://github.com/ajmwagar/calc on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ajmwagar/calc [INFO] finished tweaking git repo https://github.com/ajmwagar/calc [INFO] tweaked toml for git repo https://github.com/ajmwagar/calc written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/ajmwagar/calc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f851660632df44e292edf2bbb901f444007097c1a14166eefbaa990cfce6d0a4 [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" "f851660632df44e292edf2bbb901f444007097c1a14166eefbaa990cfce6d0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f851660632df44e292edf2bbb901f444007097c1a14166eefbaa990cfce6d0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f851660632df44e292edf2bbb901f444007097c1a14166eefbaa990cfce6d0a4", kill_on_drop: false }` [INFO] [stdout] f851660632df44e292edf2bbb901f444007097c1a14166eefbaa990cfce6d0a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38ce9c892dcb0ecf60ac9a57e1a04b9ee8d7a93d902769f1b7b09a9c38000648 [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" "38ce9c892dcb0ecf60ac9a57e1a04b9ee8d7a93d902769f1b7b09a9c38000648", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking rand_core v0.2.0 [INFO] [stderr] Checking rand v0.5.0 [INFO] [stderr] Checking calc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::prelude::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 138 | "Cleared!" => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 140 | "Goodbye!" => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 142 | "Please enter a valid expression." => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 138 | "Cleared!" => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 140 | "Goodbye!" => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | loop { let _ = $xs; break; } [INFO] [stdout] | ^^^^^^ unreachable statement [INFO] [stdout] ... [INFO] [stdout] 142 | "Please enter a valid expression." => block!({ break; }), [INFO] [stdout] | ------------------ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 217 | std::process::exit(code); [INFO] [stdout] | ------------------------ any code following this expression is unreachable [INFO] [stdout] 218 | return "Goodbye!".to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 217 | std::process::exit(code); [INFO] [stdout] | ------------------------ any code following this expression is unreachable [INFO] [stdout] 218 | return "Goodbye!".to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string_help` [INFO] [stdout] --> src/main.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | let string_help = HELP.to_string(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_help` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `print` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let print: bool; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_print` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string_help` [INFO] [stdout] --> src/main.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | let string_help = HELP.to_string(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_help` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `print` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let print: bool; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_print` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:160:21 [INFO] [stdout] | [INFO] [stdout] 160 | fn parse(s: String, mut ans: f64) -> String { [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/main.rs:160:21 [INFO] [stdout] | [INFO] [stdout] 160 | fn parse(s: String, mut ans: f64) -> String { [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.03s [INFO] running `Command { std: "docker" "inspect" "38ce9c892dcb0ecf60ac9a57e1a04b9ee8d7a93d902769f1b7b09a9c38000648", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ce9c892dcb0ecf60ac9a57e1a04b9ee8d7a93d902769f1b7b09a9c38000648", kill_on_drop: false }` [INFO] [stdout] 38ce9c892dcb0ecf60ac9a57e1a04b9ee8d7a93d902769f1b7b09a9c38000648