[INFO] cloning repository regexident/cargo-modules
[INFO] running `"git" "clone" "--bare" "git://github.com/regexident/cargo-modules.git" "work/cache/sources/gh/regexident/cargo-modules"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/regexident/cargo-modules'...
[INFO] running `"git" "clone" "work/cache/sources/gh/regexident/cargo-modules" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/regexident/cargo-modules"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/regexident/cargo-modules'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/regexident/cargo-modules" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/regexident/cargo-modules"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/regexident/cargo-modules'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47498fa008420462176f99ca210ff2828778a8c6
[INFO] sha for GitHub repo regexident/cargo-modules: 47498fa008420462176f99ca210ff2828778a8c6
[INFO] validating manifest of regexident/cargo-modules on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of regexident/cargo-modules on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing regexident/cargo-modules
[INFO] finished frobbing regexident/cargo-modules
[INFO] frobbed toml for regexident/cargo-modules written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/regexident/cargo-modules/Cargo.toml
[INFO] started frobbing regexident/cargo-modules
[INFO] finished frobbing regexident/cargo-modules
[INFO] frobbed toml for regexident/cargo-modules written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/regexident/cargo-modules/Cargo.toml
[INFO] crate regexident/cargo-modules already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_cratesio_shim v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v460.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v460.0.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking regexident/cargo-modules against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/regexident/cargo-modules:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1081385ac8692bd15cd486c92b50893898799ebfb82cb9c3eddc3fbdd8430f66
[INFO] running `"docker" "start" "-a" "1081385ac8692bd15cd486c92b50893898799ebfb82cb9c3eddc3fbdd8430f66"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking rustc-ap-graphviz v460.0.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling rustc-ap-rustc_target v460.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v460.0.0
[INFO] [stderr]     Checking ena v0.13.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking jobserver v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v460.0.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking rustc-ap-serialize v460.0.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v460.0.0
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v460.0.0
[INFO] [stderr]     Checking rustc-ap-arena v460.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v460.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v460.0.0
[INFO] [stderr]     Checking cargo-modules v0.4.4 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `SELF_KEYWORD`
[INFO] [stderr]   --> src/ng/graph.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const SELF_KEYWORD: &str = "self";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `module`
[INFO] [stderr]   --> src/ng/graph.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn module() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `all`
[INFO] [stderr]   --> src/ng/graph.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn all() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `members`
[INFO] [stderr]   --> src/ng/graph.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn members(mut members: Vec<String>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SELF_KEYWORD`
[INFO] [stderr]   --> src/ng/graph.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const SELF_KEYWORD: &str = "self";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `all`
[INFO] [stderr]   --> src/ng/graph.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn all() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `members`
[INFO] [stderr]   --> src/ng/graph.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn members(mut members: Vec<String>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.59s
[INFO] running `"docker" "inspect" "1081385ac8692bd15cd486c92b50893898799ebfb82cb9c3eddc3fbdd8430f66"`
[INFO] running `"docker" "rm" "-f" "1081385ac8692bd15cd486c92b50893898799ebfb82cb9c3eddc3fbdd8430f66"`
[INFO] [stdout] 1081385ac8692bd15cd486c92b50893898799ebfb82cb9c3eddc3fbdd8430f66