[INFO] updating cached repository ruza-net/miful
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruza-net/miful
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/beta-1.38-1/sources/1.37.0/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72dd8f3677ad5455d009a59b0c1b06edb14c0ca2
[INFO] sha for GitHub repo ruza-net/miful: 72dd8f3677ad5455d009a59b0c1b06edb14c0ca2
[INFO] validating manifest of ruza-net/miful 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 ruza-net/miful 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 ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/beta-1.38-1/sources/1.37.0/gh/ruza-net/miful/Cargo.toml
[INFO] started frobbing ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruza-net/miful/Cargo.toml
[INFO] crate ruza-net/miful 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 ruza-net/miful 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-7/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/ruza-net/miful:/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] f2cf2c61a591d2a5344bebbe4121cf0ee45468ba33604426b6055c5be89bc127
[INFO] running `"docker" "start" "-a" "f2cf2c61a591d2a5344bebbe4121cf0ee45468ba33604426b6055c5be89bc127"`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling miful v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/parsing/utils.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{ HashMap, HashSet };
[INFO] [stderr]   |                         ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_long`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let test_long =
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_test_long`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:159:24
[INFO] [stderr]     |
[INFO] [stderr] 159 |             functions: map!{},
[INFO] [stderr]     |                        ------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |             scope: map!{},
[INFO] [stderr]     |                    ------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 |             functions: map!{},
[INFO] [stderr]     |                        ------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/parsing/ast.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_error`
[INFO] [stderr]    --> src/parsing/utils.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn parse_error(message: &str, source: &Vec<String>, index: usize, position: (usize, usize)) -> MifulError {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/utils.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     pub fn new(message: &str, source: Vec<String>, index: usize, position: (usize, usize)) -> ParseError {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `"docker" "inspect" "f2cf2c61a591d2a5344bebbe4121cf0ee45468ba33604426b6055c5be89bc127"`
[INFO] running `"docker" "rm" "-f" "f2cf2c61a591d2a5344bebbe4121cf0ee45468ba33604426b6055c5be89bc127"`
[INFO] [stdout] f2cf2c61a591d2a5344bebbe4121cf0ee45468ba33604426b6055c5be89bc127
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ruza-net/miful:/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] c594056cb7abdc2b78d5eb8bdb2bd8c9333b514ffeeb572232778048d1a8b95b
[INFO] running `"docker" "start" "-a" "c594056cb7abdc2b78d5eb8bdb2bd8c9333b514ffeeb572232778048d1a8b95b"`
[INFO] [stderr]    Compiling miful v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/parsing/utils.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{ HashMap, HashSet };
[INFO] [stderr]   |                         ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_long`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let test_long =
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_test_long`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:159:24
[INFO] [stderr]     |
[INFO] [stderr] 159 |             functions: map!{},
[INFO] [stderr]     |                        ------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |             scope: map!{},
[INFO] [stderr]     |                    ------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing/utils.rs:48:17
[INFO] [stderr]     |
[INFO] [stderr] 48  |             let mut temp_map = HashMap::new();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/driver.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 |             functions: map!{},
[INFO] [stderr]     |                        ------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/parsing/ast.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_error`
[INFO] [stderr]    --> src/parsing/utils.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn parse_error(message: &str, source: &Vec<String>, index: usize, position: (usize, usize)) -> MifulError {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/utils.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     pub fn new(message: &str, source: Vec<String>, index: usize, position: (usize, usize)) -> ParseError {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "c594056cb7abdc2b78d5eb8bdb2bd8c9333b514ffeeb572232778048d1a8b95b"`
[INFO] running `"docker" "rm" "-f" "c594056cb7abdc2b78d5eb8bdb2bd8c9333b514ffeeb572232778048d1a8b95b"`
[INFO] [stdout] c594056cb7abdc2b78d5eb8bdb2bd8c9333b514ffeeb572232778048d1a8b95b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ruza-net/miful:/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] 2ea75651cfb715c2a5399f7f7c5c58c80288f4c52bcb6753fe12205b9e51c562
[INFO] running `"docker" "start" "-a" "2ea75651cfb715c2a5399f7f7c5c58c80288f4c52bcb6753fe12205b9e51c562"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/miful-4568e7ed4df8d451
[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" "2ea75651cfb715c2a5399f7f7c5c58c80288f4c52bcb6753fe12205b9e51c562"`
[INFO] running `"docker" "rm" "-f" "2ea75651cfb715c2a5399f7f7c5c58c80288f4c52bcb6753fe12205b9e51c562"`
[INFO] [stdout] 2ea75651cfb715c2a5399f7f7c5c58c80288f4c52bcb6753fe12205b9e51c562