[INFO] crate nginx-config-mod 0.2.9 is already in cache
[INFO] extracting crate nginx-config-mod 0.2.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/nginx-config-mod/0.2.9
[INFO] extracting crate nginx-config-mod 0.2.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nginx-config-mod/0.2.9
[INFO] validating manifest of nginx-config-mod-0.2.9 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 nginx-config-mod-0.2.9 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 nginx-config-mod-0.2.9
[INFO] finished frobbing nginx-config-mod-0.2.9
[INFO] frobbed toml for nginx-config-mod-0.2.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nginx-config-mod/0.2.9/Cargo.toml
[INFO] started frobbing nginx-config-mod-0.2.9
[INFO] finished frobbing nginx-config-mod-0.2.9
[INFO] frobbed toml for nginx-config-mod-0.2.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nginx-config-mod/0.2.9/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nginx-config-mod-0.2.9 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-6/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/nginx-config-mod/0.2.9:/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] c760e58cccaf9e9439d3274b26f59e2b9baa60e0337cb619db3c34600e4f4fc2
[INFO] running `"docker" "start" "-a" "c760e58cccaf9e9439d3274b26f59e2b9baa60e0337cb619db3c34600e4f4fc2"`
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling nginx-config v0.13.2
[INFO] [stderr]    Compiling nginx-config-mod v0.2.9 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:340:21
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 let mut s = replacement.to_string();
[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 46.61s
[INFO] running `"docker" "inspect" "c760e58cccaf9e9439d3274b26f59e2b9baa60e0337cb619db3c34600e4f4fc2"`
[INFO] running `"docker" "rm" "-f" "c760e58cccaf9e9439d3274b26f59e2b9baa60e0337cb619db3c34600e4f4fc2"`
[INFO] [stdout] c760e58cccaf9e9439d3274b26f59e2b9baa60e0337cb619db3c34600e4f4fc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/nginx-config-mod/0.2.9:/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] 613eb5232fc31c19b0fc71c263f81f61fc0f272deb32ae5c3e73edf59e4976c4
[INFO] running `"docker" "start" "-a" "613eb5232fc31c19b0fc71c263f81f61fc0f272deb32ae5c3e73edf59e4976c4"`
[INFO] [stderr]    Compiling nginx-config-mod v0.2.9 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:340:21
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 let mut s = replacement.to_string();
[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 2.03s
[INFO] running `"docker" "inspect" "613eb5232fc31c19b0fc71c263f81f61fc0f272deb32ae5c3e73edf59e4976c4"`
[INFO] running `"docker" "rm" "-f" "613eb5232fc31c19b0fc71c263f81f61fc0f272deb32ae5c3e73edf59e4976c4"`
[INFO] [stdout] 613eb5232fc31c19b0fc71c263f81f61fc0f272deb32ae5c3e73edf59e4976c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/nginx-config-mod/0.2.9:/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] e8ca7c335e2d82010bf72529073909220cf57891296dcc40f1a1d3a8326f7229
[INFO] running `"docker" "start" "-a" "e8ca7c335e2d82010bf72529073909220cf57891296dcc40f1a1d3a8326f7229"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nginx_config_mod-59a9b722b9a38a86
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nginx_config_mod-a15bc42b5840cba9
[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] [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] [stderr]    Doc-tests nginx-config-mod
[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" "e8ca7c335e2d82010bf72529073909220cf57891296dcc40f1a1d3a8326f7229"`
[INFO] running `"docker" "rm" "-f" "e8ca7c335e2d82010bf72529073909220cf57891296dcc40f1a1d3a8326f7229"`
[INFO] [stdout] e8ca7c335e2d82010bf72529073909220cf57891296dcc40f1a1d3a8326f7229