[INFO] crate depgraph 0.3.0 is already in cache
[INFO] extracting crate depgraph 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/depgraph/0.3.0
[INFO] extracting crate depgraph 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/depgraph/0.3.0
[INFO] validating manifest of depgraph-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of depgraph-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing depgraph-0.3.0
[INFO] finished frobbing depgraph-0.3.0
[INFO] frobbed toml for depgraph-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/depgraph/0.3.0/Cargo.toml
[INFO] started frobbing depgraph-0.3.0
[INFO] finished frobbing depgraph-0.3.0
[INFO] frobbed toml for depgraph-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/depgraph/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing depgraph-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/depgraph/0.3.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8710913ff849cb4668c7bc361fad302ec277240eb8a0c6e482d616391e9315f7
[INFO] running `"docker" "start" "-a" "8710913ff849cb4668c7bc361fad302ec277240eb8a0c6e482d616391e9315f7"`
[INFO] [stderr]    Compiling depgraph v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         for mut edge in self.edges.iter_mut() {
[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 1.40s
[INFO] running `"docker" "inspect" "8710913ff849cb4668c7bc361fad302ec277240eb8a0c6e482d616391e9315f7"`
[INFO] running `"docker" "rm" "-f" "8710913ff849cb4668c7bc361fad302ec277240eb8a0c6e482d616391e9315f7"`
[INFO] [stdout] 8710913ff849cb4668c7bc361fad302ec277240eb8a0c6e482d616391e9315f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/depgraph/0.3.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cf772b3568aee93716f4ea448dfbf9e3ebd04157d18b4b57d2262e5c9e96f509
[INFO] running `"docker" "start" "-a" "cf772b3568aee93716f4ea448dfbf9e3ebd04157d18b4b57d2262e5c9e96f509"`
[INFO] [stderr]    Compiling depgraph v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         for mut edge in self.edges.iter_mut() {
[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 1.42s
[INFO] running `"docker" "inspect" "cf772b3568aee93716f4ea448dfbf9e3ebd04157d18b4b57d2262e5c9e96f509"`
[INFO] running `"docker" "rm" "-f" "cf772b3568aee93716f4ea448dfbf9e3ebd04157d18b4b57d2262e5c9e96f509"`
[INFO] [stdout] cf772b3568aee93716f4ea448dfbf9e3ebd04157d18b4b57d2262e5c9e96f509
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/depgraph/0.3.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] fdf84b2f9046c36c9a4f1af7daab6e696c70eb696806bf43d3b1038483d8b7ea
[INFO] running `"docker" "start" "-a" "fdf84b2f9046c36c9a4f1af7daab6e696c70eb696806bf43d3b1038483d8b7ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/depgraph-f3182db18d8beb98
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests depgraph
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fdf84b2f9046c36c9a4f1af7daab6e696c70eb696806bf43d3b1038483d8b7ea"`
[INFO] running `"docker" "rm" "-f" "fdf84b2f9046c36c9a4f1af7daab6e696c70eb696806bf43d3b1038483d8b7ea"`
[INFO] [stdout] fdf84b2f9046c36c9a4f1af7daab6e696c70eb696806bf43d3b1038483d8b7ea