[INFO] cloning repository Axect/Peroxide
[INFO] running `"git" "clone" "--bare" "git://github.com/Axect/Peroxide.git" "work/cache/sources/gh/Axect/Peroxide"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Axect/Peroxide'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Axect/Peroxide" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Axect/Peroxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Axect/Peroxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Axect/Peroxide" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Axect/Peroxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Axect/Peroxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 835afb1ccb1de56ea5ec5772dcc6bad862edf84d
[INFO] sha for GitHub repo Axect/Peroxide: 835afb1ccb1de56ea5ec5772dcc6bad862edf84d
[INFO] validating manifest of Axect/Peroxide 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 Axect/Peroxide 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 Axect/Peroxide
[INFO] finished frobbing Axect/Peroxide
[INFO] frobbed toml for Axect/Peroxide written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Axect/Peroxide/Cargo.toml
[INFO] started frobbing Axect/Peroxide
[INFO] finished frobbing Axect/Peroxide
[INFO] frobbed toml for Axect/Peroxide written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Axect/Peroxide/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 serde-pickle v0.5.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Axect/Peroxide 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/Axect/Peroxide:/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] fffc9b8b61d3f576672287e84ff752e95c420443020507d89cc776fb19006b91
[INFO] running `"docker" "start" "-a" "fffc9b8b61d3f576672287e84ff752e95c420443020507d89cc776fb19006b91"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking iter-read v0.2.0
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking bstr v0.2.2
[INFO] [stderr]     Checking serde-pickle v0.5.0
[INFO] [stderr]     Checking mashup v0.1.9
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling pyo3 v0.7.0
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling pyo3-derive-backend v0.7.0
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]     Checking inventory v0.1.3
[INFO] [stderr]    Compiling pyo3cls v0.7.0
[INFO] [stderr]     Checking peroxide v0.11.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `zlabel`
[INFO] [stderr]    --> src/util/plot.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn set_zlabel(&mut self, zlabel: &str) -> &mut Self {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_zlabel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zlabel`
[INFO] [stderr]    --> src/util/plot.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn set_zlabel(&mut self, zlabel: &str) -> &mut Self {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_zlabel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/plot.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     plt.savefig();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/plot.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     plt.savefig();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "fffc9b8b61d3f576672287e84ff752e95c420443020507d89cc776fb19006b91"`
[INFO] running `"docker" "rm" "-f" "fffc9b8b61d3f576672287e84ff752e95c420443020507d89cc776fb19006b91"`
[INFO] [stdout] fffc9b8b61d3f576672287e84ff752e95c420443020507d89cc776fb19006b91