[INFO] cloning repository https://github.com/justmexmehak/RustWorksheet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justmexmehak/RustWorksheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustmexmehak%2FRustWorksheet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustmexmehak%2FRustWorksheet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c0c325c96e173c786fe62b06711e273790e5538 [INFO] building justmexmehak/RustWorksheet 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%2Fjustmexmehak%2FRustWorksheet" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justmexmehak/RustWorksheet 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/justmexmehak/RustWorksheet [INFO] finished tweaking git repo https://github.com/justmexmehak/RustWorksheet [INFO] tweaked toml for git repo https://github.com/justmexmehak/RustWorksheet written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/justmexmehak/RustWorksheet 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c9dfb09a9d5776a2cf230f4b6a71986a1fefe0861f7f2b8f2807289aaede7e8 [INFO] running `Command { std: "docker" "start" "-a" "7c9dfb09a9d5776a2cf230f4b6a71986a1fefe0861f7f2b8f2807289aaede7e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c9dfb09a9d5776a2cf230f4b6a71986a1fefe0861f7f2b8f2807289aaede7e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c9dfb09a9d5776a2cf230f4b6a71986a1fefe0861f7f2b8f2807289aaede7e8", kill_on_drop: false }` [INFO] [stdout] 7c9dfb09a9d5776a2cf230f4b6a71986a1fefe0861f7f2b8f2807289aaede7e8 [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 -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] 84ce01d2ea49a40eea7e48ba9f9b48db2fe410449dc7f983ca3a2ecefc94d067 [INFO] running `Command { std: "docker" "start" "-a" "84ce01d2ea49a40eea7e48ba9f9b48db2fe410449dc7f983ca3a2ecefc94d067", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rust_organized v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worksheet1.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let mut str: String = String::from("hello"); [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: field `age` is never read [INFO] [stdout] --> src/worksheet2.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct Person{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 38 | name: String, [INFO] [stdout] 39 | age: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Blue` are never constructed [INFO] [stdout] --> src/worksheet2.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 53 | enum Color{ [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 54 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 55 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/worksheet2.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 74 | enum Option{ [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 75 | String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `author` and `pages` are never read [INFO] [stdout] --> src/worksheet2.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 93 | struct Book { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 94 | title: String, [INFO] [stdout] 95 | author: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 96 | pages: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> src/worksheet2.rs:108:6 [INFO] [stdout] | [INFO] [stdout] 108 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `title_and_status` is never used [INFO] [stdout] --> src/worksheet2.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn title_and_status(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s [INFO] running `Command { std: "docker" "inspect" "84ce01d2ea49a40eea7e48ba9f9b48db2fe410449dc7f983ca3a2ecefc94d067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84ce01d2ea49a40eea7e48ba9f9b48db2fe410449dc7f983ca3a2ecefc94d067", kill_on_drop: false }` [INFO] [stdout] 84ce01d2ea49a40eea7e48ba9f9b48db2fe410449dc7f983ca3a2ecefc94d067 [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 -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] 6df4d6b96efd27b55082ba9879402223b9a451b6d9ef020bfcb0d9c76ca8cee9 [INFO] running `Command { std: "docker" "start" "-a" "6df4d6b96efd27b55082ba9879402223b9a451b6d9ef020bfcb0d9c76ca8cee9", kill_on_drop: false }` [INFO] [stderr] Compiling rust_organized v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worksheet1.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let mut str: String = String::from("hello"); [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: field `age` is never read [INFO] [stdout] --> src/worksheet2.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct Person{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 38 | name: String, [INFO] [stdout] 39 | age: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Blue` are never constructed [INFO] [stdout] --> src/worksheet2.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 53 | enum Color{ [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 54 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 55 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/worksheet2.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 74 | enum Option{ [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 75 | String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `author` and `pages` are never read [INFO] [stdout] --> src/worksheet2.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 93 | struct Book { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 94 | title: String, [INFO] [stdout] 95 | author: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 96 | pages: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> src/worksheet2.rs:108:6 [INFO] [stdout] | [INFO] [stdout] 108 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `title_and_status` is never used [INFO] [stdout] --> src/worksheet2.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn title_and_status(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "6df4d6b96efd27b55082ba9879402223b9a451b6d9ef020bfcb0d9c76ca8cee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df4d6b96efd27b55082ba9879402223b9a451b6d9ef020bfcb0d9c76ca8cee9", kill_on_drop: false }` [INFO] [stdout] 6df4d6b96efd27b55082ba9879402223b9a451b6d9ef020bfcb0d9c76ca8cee9