[INFO] cloning repository https://github.com/theeighthofseptember/learn_structs_RUST [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theeighthofseptember/learn_structs_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheeighthofseptember%2Flearn_structs_RUST", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheeighthofseptember%2Flearn_structs_RUST'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e0eb58daa1cf72b0291cc1ca3d2186edb251c6f [INFO] testing theeighthofseptember/learn_structs_RUST against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheeighthofseptember%2Flearn_structs_RUST" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/theeighthofseptember/learn_structs_RUST [INFO] finished tweaking git repo https://github.com/theeighthofseptember/learn_structs_RUST [INFO] tweaked toml for git repo https://github.com/theeighthofseptember/learn_structs_RUST written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/theeighthofseptember/learn_structs_RUST on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/theeighthofseptember/learn_structs_RUST 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04883c6d00c22afe70f85b09349dd9f7b1b5e6f678a7c26d02abb17870241216 [INFO] running `Command { std: "docker" "start" "-a" "04883c6d00c22afe70f85b09349dd9f7b1b5e6f678a7c26d02abb17870241216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04883c6d00c22afe70f85b09349dd9f7b1b5e6f678a7c26d02abb17870241216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04883c6d00c22afe70f85b09349dd9f7b1b5e6f678a7c26d02abb17870241216", kill_on_drop: false }` [INFO] [stdout] 04883c6d00c22afe70f85b09349dd9f7b1b5e6f678a7c26d02abb17870241216 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d5d2e1be3623b0c611996263b7ae5b4d4b5d3ebce19319c1de844944521c08f [INFO] running `Command { std: "docker" "start" "-a" "4d5d2e1be3623b0c611996263b7ae5b4d4b5d3ebce19319c1de844944521c08f", kill_on_drop: false }` [INFO] [stderr] Compiling learn_struct v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut book2 = Book { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut book3 = Book { [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] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut book4 = Book { [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] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut book5 = Book { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book2` [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut book2 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book3` [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut book3 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book4` [INFO] [stdout] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut book4 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book5` [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut book5 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book5` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "4d5d2e1be3623b0c611996263b7ae5b4d4b5d3ebce19319c1de844944521c08f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5d2e1be3623b0c611996263b7ae5b4d4b5d3ebce19319c1de844944521c08f", kill_on_drop: false }` [INFO] [stdout] 4d5d2e1be3623b0c611996263b7ae5b4d4b5d3ebce19319c1de844944521c08f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbc679853489cfa1bffb3eb473c076f7a807e28abf18d23cd2ea2145fab84fad [INFO] running `Command { std: "docker" "start" "-a" "fbc679853489cfa1bffb3eb473c076f7a807e28abf18d23cd2ea2145fab84fad", kill_on_drop: false }` [INFO] [stderr] Compiling learn_struct v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut book2 = Book { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut book3 = Book { [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] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut book4 = Book { [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] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut book5 = Book { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book2` [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut book2 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book3` [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut book3 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book4` [INFO] [stdout] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut book4 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book5` [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut book5 = Book { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book5` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "fbc679853489cfa1bffb3eb473c076f7a807e28abf18d23cd2ea2145fab84fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbc679853489cfa1bffb3eb473c076f7a807e28abf18d23cd2ea2145fab84fad", kill_on_drop: false }` [INFO] [stdout] fbc679853489cfa1bffb3eb473c076f7a807e28abf18d23cd2ea2145fab84fad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4673893c6c94ed29cdb1ab91949a8e1c9554a05bfef1fdccbe711e1090f96e8f [INFO] running `Command { std: "docker" "start" "-a" "4673893c6c94ed29cdb1ab91949a8e1c9554a05bfef1fdccbe711e1090f96e8f", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | let mut book2 = Book { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let mut book3 = Book { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | let mut book4 = Book { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut book5 = Book { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `book2` [INFO] [stderr] --> src/main.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | let mut book2 = Book { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `book3` [INFO] [stderr] --> src/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let mut book3 = Book { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `book4` [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | let mut book4 = Book { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book4` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `book5` [INFO] [stderr] --> src/main.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut book5 = Book { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book5` [INFO] [stderr] [INFO] [stderr] warning: `learn_struct` (bin "learn_struct" test) generated 8 warnings (run `cargo fix --bin "learn_struct" -p learn_struct --tests` to apply 8 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_struct-61f9086b449fb6a9) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4673893c6c94ed29cdb1ab91949a8e1c9554a05bfef1fdccbe711e1090f96e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4673893c6c94ed29cdb1ab91949a8e1c9554a05bfef1fdccbe711e1090f96e8f", kill_on_drop: false }` [INFO] [stdout] 4673893c6c94ed29cdb1ab91949a8e1c9554a05bfef1fdccbe711e1090f96e8f