[INFO] cloning repository https://github.com/andrejfox/rust-go-brrr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrejfox/rust-go-brrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrejfox%2Frust-go-brrr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrejfox%2Frust-go-brrr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba5b5c9f6f2ae083f46d94af8df48c7cd4e1c987 [INFO] checking andrejfox/rust-go-brrr against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for pr-155501 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrejfox%2Frust-go-brrr" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/andrejfox/rust-go-brrr [INFO] finished tweaking git repo https://github.com/andrejfox/rust-go-brrr [INFO] tweaked toml for git repo https://github.com/andrejfox/rust-go-brrr written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andrejfox/rust-go-brrr on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/andrejfox/rust-go-brrr already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 695309ef68feffc9b26561ac9a554e3d6ae569f5ac3bc8318e4a461134c4df7d [INFO] running `Command { std: "docker" "start" "-a" "695309ef68feffc9b26561ac9a554e3d6ae569f5ac3bc8318e4a461134c4df7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "695309ef68feffc9b26561ac9a554e3d6ae569f5ac3bc8318e4a461134c4df7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695309ef68feffc9b26561ac9a554e3d6ae569f5ac3bc8318e4a461134c4df7d", kill_on_drop: false }` [INFO] [stdout] 695309ef68feffc9b26561ac9a554e3d6ae569f5ac3bc8318e4a461134c4df7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76cddbd49b87289f681d44a50a7b008ce3af3cb5ee9b5853c25bc7e90839381b [INFO] running `Command { std: "docker" "start" "-a" "76cddbd49b87289f681d44a50a7b008ce3af3cb5ee9b5853c25bc7e90839381b", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking untitled v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut op_stack:Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `state` is never read [INFO] [stdout] --> src/main.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | let mut state = State::ReadNumber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 55 | / state = match c { [INFO] [stdout] 56 | | '+' => State::Operator(Operator::Add), [INFO] [stdout] 57 | | '-' => State::Operator(Operator::Sub), [INFO] [stdout] 58 | | '*' => State::Operator(Operator::Mult), [INFO] [stdout] ... | [INFO] [stdout] 62 | | _ => State::Operator(Operator::Mystery), [INFO] [stdout] 63 | | }; [INFO] [stdout] | |_____________________- `state` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `state` is never read [INFO] [stdout] --> src/main.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | state = State::ReadNumber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut op_stack:Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `state` is never read [INFO] [stdout] --> src/main.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | let mut state = State::ReadNumber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 55 | / state = match c { [INFO] [stdout] 56 | | '+' => State::Operator(Operator::Add), [INFO] [stdout] 57 | | '-' => State::Operator(Operator::Sub), [INFO] [stdout] 58 | | '*' => State::Operator(Operator::Mult), [INFO] [stdout] ... | [INFO] [stdout] 62 | | _ => State::Operator(Operator::Mystery), [INFO] [stdout] 63 | | }; [INFO] [stdout] | |_____________________- `state` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `state` is never read [INFO] [stdout] --> src/main.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | state = State::ReadNumber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.72s [INFO] running `Command { std: "docker" "inspect" "76cddbd49b87289f681d44a50a7b008ce3af3cb5ee9b5853c25bc7e90839381b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cddbd49b87289f681d44a50a7b008ce3af3cb5ee9b5853c25bc7e90839381b", kill_on_drop: false }` [INFO] [stdout] 76cddbd49b87289f681d44a50a7b008ce3af3cb5ee9b5853c25bc7e90839381b