[INFO] updating cached repository cheblin/module_demo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cheblin/module_demo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cheblin/module_demo" "work/ex/beta-1.38-1/sources/1.37.0/gh/cheblin/module_demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cheblin/module_demo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cheblin/module_demo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c3c30a25f42fadca7bcfdeb92bf675b8b924a32 [INFO] sha for GitHub repo cheblin/module_demo: 5c3c30a25f42fadca7bcfdeb92bf675b8b924a32 [INFO] validating manifest of cheblin/module_demo on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cheblin/module_demo on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cheblin/module_demo [INFO] finished frobbing cheblin/module_demo [INFO] frobbed toml for cheblin/module_demo written to work/ex/beta-1.38-1/sources/1.37.0/gh/cheblin/module_demo/Cargo.toml [INFO] started frobbing cheblin/module_demo [INFO] finished frobbing cheblin/module_demo [INFO] frobbed toml for cheblin/module_demo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo/Cargo.toml [INFO] crate cheblin/module_demo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing cheblin/module_demo against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 659dc9448ac9ba96b455f8c532dd1b4f7b89137c2ed10bc454c9412e6b4ca4be [INFO] running `"docker" "start" "-a" "659dc9448ac9ba96b455f8c532dd1b4f7b89137c2ed10bc454c9412e6b4ca4be"` [INFO] [stderr] Compiling module_demo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:62:7 [INFO] [stderr] | [INFO] [stderr] 62 | use std::fs::File;//multi line [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:63:7 [INFO] [stderr] | [INFO] [stderr] 63 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:64:19 [INFO] [stderr] | [INFO] [stderr] 64 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path`, `fs::File`, `io::Read` [INFO] [stderr] --> src/main.rs:67:14 [INFO] [stderr] | [INFO] [stderr] 67 | use std::{fs::File, io::Read, path::{Path, PathBuf}};// on one line [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path`, `fs::File`, `io::Read` [INFO] [stderr] --> src/main.rs:71:15 [INFO] [stderr] | [INFO] [stderr] 71 | fs::File, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 72 | io::Read, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 73 | path::{ [INFO] [stderr] 74 | Path, [INFO] [stderr] | ^^^^ [INFO] [stderr] 75 | PathBuf [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/../../some_dir/some_src.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_fn` [INFO] [stderr] --> src/foo/bar/baz.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | fn main_fn() {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/baz.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn pub_fn() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Baz` [INFO] [stderr] --> src/foo/bar/baz.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub(in super) struct Baz; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/use_main_fn.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/../../some_dir/some_src.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `"docker" "inspect" "659dc9448ac9ba96b455f8c532dd1b4f7b89137c2ed10bc454c9412e6b4ca4be"` [INFO] running `"docker" "rm" "-f" "659dc9448ac9ba96b455f8c532dd1b4f7b89137c2ed10bc454c9412e6b4ca4be"` [INFO] [stdout] 659dc9448ac9ba96b455f8c532dd1b4f7b89137c2ed10bc454c9412e6b4ca4be [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] ff4346b88236cd97ce0b0b8041f959e9bbcb8b148cf4ebda8aec854cc992c997 [INFO] running `"docker" "start" "-a" "ff4346b88236cd97ce0b0b8041f959e9bbcb8b148cf4ebda8aec854cc992c997"` [INFO] [stderr] Compiling module_demo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:62:7 [INFO] [stderr] | [INFO] [stderr] 62 | use std::fs::File;//multi line [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:63:7 [INFO] [stderr] | [INFO] [stderr] 63 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:64:19 [INFO] [stderr] | [INFO] [stderr] 64 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path`, `fs::File`, `io::Read` [INFO] [stderr] --> src/main.rs:67:14 [INFO] [stderr] | [INFO] [stderr] 67 | use std::{fs::File, io::Read, path::{Path, PathBuf}};// on one line [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path`, `fs::File`, `io::Read` [INFO] [stderr] --> src/main.rs:71:15 [INFO] [stderr] | [INFO] [stderr] 71 | fs::File, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 72 | io::Read, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 73 | path::{ [INFO] [stderr] 74 | Path, [INFO] [stderr] | ^^^^ [INFO] [stderr] 75 | PathBuf [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/../../some_dir/some_src.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_fn` [INFO] [stderr] --> src/foo/bar/baz.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | fn main_fn() {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/baz.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn pub_fn() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Baz` [INFO] [stderr] --> src/foo/bar/baz.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub(in super) struct Baz; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/use_main_fn.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pub_fn` [INFO] [stderr] --> src/foo/bar/../../some_dir/some_src.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn pub_fn(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "ff4346b88236cd97ce0b0b8041f959e9bbcb8b148cf4ebda8aec854cc992c997"` [INFO] running `"docker" "rm" "-f" "ff4346b88236cd97ce0b0b8041f959e9bbcb8b148cf4ebda8aec854cc992c997"` [INFO] [stdout] ff4346b88236cd97ce0b0b8041f959e9bbcb8b148cf4ebda8aec854cc992c997 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cheblin/module_demo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 61d22920bb21cc721035e9ce206e05e6c64ff7aad1b8f5fb6a4c5fc5c43cee6e [INFO] running `"docker" "start" "-a" "61d22920bb21cc721035e9ce206e05e6c64ff7aad1b8f5fb6a4c5fc5c43cee6e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/module_demo-1eed0aca5d9be509 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "61d22920bb21cc721035e9ce206e05e6c64ff7aad1b8f5fb6a4c5fc5c43cee6e"` [INFO] running `"docker" "rm" "-f" "61d22920bb21cc721035e9ce206e05e6c64ff7aad1b8f5fb6a4c5fc5c43cee6e"` [INFO] [stdout] 61d22920bb21cc721035e9ce206e05e6c64ff7aad1b8f5fb6a4c5fc5c43cee6e