[INFO] crate rusty-x 0.1.75 is already in cache
[INFO] extracting crate rusty-x 0.1.75 into work/ex/beta-1.38-1/sources/1.37.0/reg/rusty-x/0.1.75
[INFO] extracting crate rusty-x 0.1.75 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-x/0.1.75
[INFO] validating manifest of rusty-x-0.1.75 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 rusty-x-0.1.75 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 rusty-x-0.1.75
[INFO] finished frobbing rusty-x-0.1.75
[INFO] frobbed toml for rusty-x-0.1.75 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rusty-x/0.1.75/Cargo.toml
[INFO] started frobbing rusty-x-0.1.75
[INFO] finished frobbing rusty-x-0.1.75
[INFO] frobbed toml for rusty-x-0.1.75 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-x/0.1.75/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rusty-x-0.1.75 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-x/0.1.75:/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] f7de2dacdf8a2469c07d65ea06a91cfa3a89930dce7e87582b11c7110654c6f5
[INFO] running `"docker" "start" "-a" "f7de2dacdf8a2469c07d65ea06a91cfa3a89930dce7e87582b11c7110654c6f5"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.2.1
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling tuikit v0.2.9
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling plist v0.4.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling markdown v0.2.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling console v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling skim v0.6.8
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]    Compiling syntect v3.2.1
[INFO] [stderr]    Compiling prettyprint v0.3.0
[INFO] [stderr]    Compiling rusty-x v0.1.75 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/x.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |         .map(|(count, entry, tags)| {
[INFO] [stderr]    |                ^^^^^ help: consider prefixing with an underscore: `_count`
[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/x.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut entries: Vec<fs::DirEntry> = fs::read_dir(&snippet_location.local)?
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `"docker" "inspect" "f7de2dacdf8a2469c07d65ea06a91cfa3a89930dce7e87582b11c7110654c6f5"`
[INFO] running `"docker" "rm" "-f" "f7de2dacdf8a2469c07d65ea06a91cfa3a89930dce7e87582b11c7110654c6f5"`
[INFO] [stdout] f7de2dacdf8a2469c07d65ea06a91cfa3a89930dce7e87582b11c7110654c6f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-x/0.1.75:/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] 550669a14d522d08c2f0396906a7b8a7d804f77a46667df371ad806b4c7a12e0
[INFO] running `"docker" "start" "-a" "550669a14d522d08c2f0396906a7b8a7d804f77a46667df371ad806b4c7a12e0"`
[INFO] [stderr]    Compiling rusty-x v0.1.75 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/x.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |         .map(|(count, entry, tags)| {
[INFO] [stderr]    |                ^^^^^ help: consider prefixing with an underscore: `_count`
[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/x.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut entries: Vec<fs::DirEntry> = fs::read_dir(&snippet_location.local)?
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "550669a14d522d08c2f0396906a7b8a7d804f77a46667df371ad806b4c7a12e0"`
[INFO] running `"docker" "rm" "-f" "550669a14d522d08c2f0396906a7b8a7d804f77a46667df371ad806b4c7a12e0"`
[INFO] [stdout] 550669a14d522d08c2f0396906a7b8a7d804f77a46667df371ad806b4c7a12e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-x/0.1.75:/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] de5649732f9d9ba9af0000fc446bc7228689c966849608f155d7ebddfdabff5f
[INFO] running `"docker" "start" "-a" "de5649732f9d9ba9af0000fc446bc7228689c966849608f155d7ebddfdabff5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_x-bb274ed3239a7fa0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/x-7646a7047e425567
[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] [stdout] 
[INFO] [stderr]    Doc-tests rusty-x
[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] [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" "de5649732f9d9ba9af0000fc446bc7228689c966849608f155d7ebddfdabff5f"`
[INFO] running `"docker" "rm" "-f" "de5649732f9d9ba9af0000fc446bc7228689c966849608f155d7ebddfdabff5f"`
[INFO] [stdout] de5649732f9d9ba9af0000fc446bc7228689c966849608f155d7ebddfdabff5f