[INFO] fetching crate create_files 0.1.1...
[INFO] testing create_files-0.1.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate create_files 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate create_files 0.1.1
[INFO] finished tweaking crates.io crate create_files 0.1.1
[INFO] tweaked toml for crates.io crate create_files 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate create_files 0.1.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate create_files 0.1.1 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66
[INFO] running `Command { std: "docker" "start" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling create_files v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Item(pub String, f32, bool);
[INFO] [stdout]   |            ----             ^^^  ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileStuff` is never constructed
[INFO] [stdout]  --> src/imports.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct FileStuff {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilesSync` is never used
[INFO] [stdout]  --> src/imports.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub trait FilesSync {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet_user` is never used
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn greet_user(name: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_args` is never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn create_file_args() -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Item(pub String, f32, bool);
[INFO] [stdout]   |            ----             ^^^  ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling create_files v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileStuff` is never constructed
[INFO] [stdout]  --> src/imports.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct FileStuff {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilesSync` is never used
[INFO] [stdout]  --> src/imports.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub trait FilesSync {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet_user` is never used
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn greet_user(name: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_args` is never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn create_file_args() -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Item(pub String, f32, bool);
[INFO] [stdout]   |            ----             ^^^  ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileStuff` is never constructed
[INFO] [stdout]  --> src/imports.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct FileStuff {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilesSync` is never used
[INFO] [stdout]  --> src/imports.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub trait FilesSync {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet_user` is never used
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn greet_user(name: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_args` is never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn create_file_args() -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: fields `1` and `2` are never read
[INFO] [stderr]  --> src/lib.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Item(pub String, f32, bool);
[INFO] [stderr]   |            ----             ^^^  ^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            fields in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing these fields
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileStuff` is never constructed
[INFO] [stderr]  --> src/imports.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 |     pub struct FileStuff {
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FilesSync` is never used
[INFO] [stderr]  --> src/imports.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub trait FilesSync {
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `greet_user` is never used
[INFO] [stderr]   --> src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn greet_user(name: &str) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file_args` is never used
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn create_file_args() -> std::io::Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `create_files` (lib) generated 5 warnings
[INFO] [stderr] warning: `create_files` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/create_files/a155798f2fc0bef4/out/create_files-a155798f2fc0bef4)
[INFO] [stderr]    Doc-tests create_files
[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] [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" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66", kill_on_drop: false }`
[INFO] [stdout] 258de3fbd5feba2c2f23e600c2d0975b00ea3356402c664fe7aa08b10a8b9b66
