[INFO] cloning repository https://github.com/fsalar-at-wiris/rust-workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fsalar-at-wiris/rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsalar-at-wiris%2Frust-workshop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsalar-at-wiris%2Frust-workshop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8bda3e763f59305e2c11de50d7db292de7032cb [INFO] checking fsalar-at-wiris/rust-workshop against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsalar-at-wiris%2Frust-workshop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/fsalar-at-wiris/rust-workshop [INFO] finished tweaking git repo https://github.com/fsalar-at-wiris/rust-workshop [INFO] tweaked toml for git repo https://github.com/fsalar-at-wiris/rust-workshop written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/fsalar-at-wiris/rust-workshop on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ferris-says v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6e1a8a8c52cbbb601b1bd31acc183f5486816dd444a5fbdc4d516d0bbdc97f6 [INFO] running `Command { std: "docker" "start" "-a" "c6e1a8a8c52cbbb601b1bd31acc183f5486816dd444a5fbdc4d516d0bbdc97f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6e1a8a8c52cbbb601b1bd31acc183f5486816dd444a5fbdc4d516d0bbdc97f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6e1a8a8c52cbbb601b1bd31acc183f5486816dd444a5fbdc4d516d0bbdc97f6", kill_on_drop: false }` [INFO] [stdout] c6e1a8a8c52cbbb601b1bd31acc183f5486816dd444a5fbdc4d516d0bbdc97f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a1879e61b055f9748e1ad7daeec3caafd785b465a159c493a61ad59e552e3fa [INFO] running `Command { std: "docker" "start" "-a" "8a1879e61b055f9748e1ad7daeec3caafd785b465a159c493a61ad59e552e3fa", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Checking unicode-width v0.2.1 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking rust_workshop_23 v0.1.0 (/opt/rustwide/workdir/rust-workshop-23) [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> rust-workshop-23/src/lib.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn tokenize(expression: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> rust-workshop-23/src/lib.rs:98:20 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn deserialize(expression: &str) -> Node { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_operator` and `is_prod_or_div` are never used [INFO] [stdout] --> rust-workshop-23/src/lib.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 31 | /// Returns true if, and only if, the Token itself is an operator (aka.: Add, Sub, Mul, Div) [INFO] [stdout] 32 | fn is_operator(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn is_prod_or_div(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_empty` are never used [INFO] [stdout] --> rust-workshop-23/src/lib.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 67 | fn new(token: Token) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize` is never used [INFO] [stdout] --> rust-workshop-23/src/lib.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn tokenize(expression: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> rust-workshop-23/src/lib.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn tokenize(expression: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> rust-workshop-23/src/lib.rs:98:20 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn deserialize(expression: &str) -> Node { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_operator` and `is_prod_or_div` are never used [INFO] [stdout] --> rust-workshop-23/src/lib.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 31 | /// Returns true if, and only if, the Token itself is an operator (aka.: Add, Sub, Mul, Div) [INFO] [stdout] 32 | fn is_operator(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn is_prod_or_div(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> rust-workshop-23/src/lib.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Node { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 76 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.16.2 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking ferris-says v0.3.2 [INFO] [stderr] Checking rust-workshop v0.1.0 (/opt/rustwide/workdir/rust-workshop-22) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/tree.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut res = tree.node_str; // Owned mutable string of the node's content. [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] --> rust-workshop-22/src/tokenizer.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut result: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/tokenizer.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut inside_text = false; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/postprocess.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut result = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> rust-workshop-22/src/cheat_sheet.rs:235:5 [INFO] [stdout] | [INFO] [stdout] 235 | ref_var; // no-op, but counts as a use and keeps the borrow active [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> rust-workshop-22/src/cheat_sheet.rs:247:5 [INFO] [stdout] | [INFO] [stdout] 247 | ref_var2; // no-op, but counts as a use and keeps the borrow active until here [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/tree.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut res = tree.node_str; // Owned mutable string of the node's content. [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] --> rust-workshop-22/src/tokenizer.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut result: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/tokenizer.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut inside_text = false; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-workshop-22/src/postprocess.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut result = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> rust-workshop-22/src/cheat_sheet.rs:235:5 [INFO] [stdout] | [INFO] [stdout] 235 | ref_var; // no-op, but counts as a use and keeps the borrow active [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> rust-workshop-22/src/cheat_sheet.rs:247:5 [INFO] [stdout] | [INFO] [stdout] 247 | ref_var2; // no-op, but counts as a use and keeps the borrow active until here [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "8a1879e61b055f9748e1ad7daeec3caafd785b465a159c493a61ad59e552e3fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a1879e61b055f9748e1ad7daeec3caafd785b465a159c493a61ad59e552e3fa", kill_on_drop: false }` [INFO] [stdout] 8a1879e61b055f9748e1ad7daeec3caafd785b465a159c493a61ad59e552e3fa