[INFO] fetching crate spreadsheet 0.0.2...
[INFO] checking spreadsheet-0.0.2 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate spreadsheet 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spreadsheet 0.0.2 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spreadsheet 0.0.2
[INFO] finished tweaking crates.io crate spreadsheet 0.0.2
[INFO] tweaked toml for crates.io crate spreadsheet 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83a45c949489127a01fd8a7421f21f20ba444a5b4bada7dba4d9a14d20b4d7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a83a45c949489127a01fd8a7421f21f20ba444a5b4bada7dba4d9a14d20b4d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83a45c949489127a01fd8a7421f21f20ba444a5b4bada7dba4d9a14d20b4d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83a45c949489127a01fd8a7421f21f20ba444a5b4bada7dba4d9a14d20b4d7e", kill_on_drop: false }`
[INFO] [stdout] a83a45c949489127a01fd8a7421f21f20ba444a5b4bada7dba4d9a14d20b4d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d81c4371bd06b1f3a929a06ed57ab1636b545b6de339247e41528a19f476494d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d81c4371bd06b1f3a929a06ed57ab1636b545b6de339247e41528a19f476494d", kill_on_drop: false }`
[INFO] [stderr]     Checking spreadsheet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xlsx.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xls.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/csv.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xsc.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/ods.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tables`
[INFO] [stdout]   --> src/lib.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 48 |     tables     : Table, //should be a vec of tables
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_cell`
[INFO] [stdout]   --> src/lib.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     curr_cell  : u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_row`
[INFO] [stdout]   --> src/lib.rs:50:2
[INFO] [stdout]    |
[INFO] [stdout] 50 |     curr_row   : u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_table`
[INFO] [stdout]   --> src/lib.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     curr_table : u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rows`
[INFO] [stdout]   --> src/lib.rs:55:2
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rows : Row, //should be a vec of rows
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cells`
[INFO] [stdout]   --> src/lib.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 |     cells : &'static str, //should be a vec of cells
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xlsx.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xls.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/csv.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/xsc.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/reader/ods.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read(file_path : &'static str){
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tables`
[INFO] [stdout]   --> src/lib.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 48 |     tables     : Table, //should be a vec of tables
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_cell`
[INFO] [stdout]   --> src/lib.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     curr_cell  : u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_row`
[INFO] [stdout]   --> src/lib.rs:50:2
[INFO] [stdout]    |
[INFO] [stdout] 50 |     curr_row   : u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_table`
[INFO] [stdout]   --> src/lib.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     curr_table : u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rows`
[INFO] [stdout]   --> src/lib.rs:55:2
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rows : Row, //should be a vec of rows
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cells`
[INFO] [stdout]   --> src/lib.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 |     cells : &'static str, //should be a vec of cells
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "d81c4371bd06b1f3a929a06ed57ab1636b545b6de339247e41528a19f476494d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81c4371bd06b1f3a929a06ed57ab1636b545b6de339247e41528a19f476494d", kill_on_drop: false }`
[INFO] [stdout] d81c4371bd06b1f3a929a06ed57ab1636b545b6de339247e41528a19f476494d