[INFO] cloning repository https://github.com/suryamajhi/mini-grep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suryamajhi/mini-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuryamajhi%2Fmini-grep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuryamajhi%2Fmini-grep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec7fb763e892cfb43821069f2244ecfd9b0cdd1c [INFO] building suryamajhi/mini-grep against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuryamajhi%2Fmini-grep" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suryamajhi/mini-grep on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/suryamajhi/mini-grep [INFO] finished tweaking git repo https://github.com/suryamajhi/mini-grep [INFO] tweaked toml for git repo https://github.com/suryamajhi/mini-grep written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/suryamajhi/mini-grep 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0d315055b592a7747ab8b7d290808f3f200909f5e49a533d57ab2153378d172 [INFO] running `Command { std: "docker" "start" "-a" "d0d315055b592a7747ab8b7d290808f3f200909f5e49a533d57ab2153378d172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0d315055b592a7747ab8b7d290808f3f200909f5e49a533d57ab2153378d172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d315055b592a7747ab8b7d290808f3f200909f5e49a533d57ab2153378d172", kill_on_drop: false }` [INFO] [stdout] d0d315055b592a7747ab8b7d290808f3f200909f5e49a533d57ab2153378d172 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4957e3eb720740d59739a36c8bb8a47bcdf94dcf163c76f5a983cb240831a2d [INFO] running `Command { std: "docker" "start" "-a" "b4957e3eb720740d59739a36c8bb8a47bcdf94dcf163c76f5a983cb240831a2d", kill_on_drop: false }` [INFO] [stderr] Compiling mini-grep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:219:21 [INFO] [stdout] | [INFO] [stdout] 219 | let mut temp_input = input.clone(); [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: multiple variants are never constructed [INFO] [stdout] --> src/pattern.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Pattern { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 6 | Digit, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | AlphaNumeric, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 8 | PositiveCharGroup(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | NegativeCharGroup(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | Char(char), [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | StartAnchor, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | EndAnchor, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | OneOrMore(char), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 14 | ZeroOrOne(char), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 15 | Wildcard, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 16 | Alternation(String, String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pattern` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InvalidPattern` is never constructed [INFO] [stdout] --> src/pattern.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum PatternErr { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 21 | InvalidPattern(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PatternErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "b4957e3eb720740d59739a36c8bb8a47bcdf94dcf163c76f5a983cb240831a2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4957e3eb720740d59739a36c8bb8a47bcdf94dcf163c76f5a983cb240831a2d", kill_on_drop: false }` [INFO] [stdout] b4957e3eb720740d59739a36c8bb8a47bcdf94dcf163c76f5a983cb240831a2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e470079bf3499b629eeccaccb44a76a63246536ede15d9353df6f09ad06fc05 [INFO] running `Command { std: "docker" "start" "-a" "7e470079bf3499b629eeccaccb44a76a63246536ede15d9353df6f09ad06fc05", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:219:21 [INFO] [stdout] | [INFO] [stdout] 219 | let mut temp_input = input.clone(); [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] [stderr] Compiling mini-grep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:219:21 [INFO] [stdout] | [INFO] [stdout] 219 | let mut temp_input = input.clone(); [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: multiple variants are never constructed [INFO] [stdout] --> src/pattern.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Pattern { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 6 | Digit, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | AlphaNumeric, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 8 | PositiveCharGroup(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | NegativeCharGroup(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | Char(char), [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | StartAnchor, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | EndAnchor, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | OneOrMore(char), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 14 | ZeroOrOne(char), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 15 | Wildcard, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 16 | Alternation(String, String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pattern` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InvalidPattern` is never constructed [INFO] [stdout] --> src/pattern.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum PatternErr { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 21 | InvalidPattern(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PatternErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "7e470079bf3499b629eeccaccb44a76a63246536ede15d9353df6f09ad06fc05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e470079bf3499b629eeccaccb44a76a63246536ede15d9353df6f09ad06fc05", kill_on_drop: false }` [INFO] [stdout] 7e470079bf3499b629eeccaccb44a76a63246536ede15d9353df6f09ad06fc05