[INFO] updating cached repository tailhook/nginx-config-mod
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tailhook/nginx-config-mod
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tailhook/nginx-config-mod" "work/ex/beta-1.38-1/sources/1.37.0/gh/tailhook/nginx-config-mod"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tailhook/nginx-config-mod'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tailhook/nginx-config-mod" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tailhook/nginx-config-mod"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tailhook/nginx-config-mod'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4be0df3b7390f79536ca05b3ac27c72897746007
[INFO] sha for GitHub repo tailhook/nginx-config-mod: 4be0df3b7390f79536ca05b3ac27c72897746007
[INFO] validating manifest of tailhook/nginx-config-mod 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 tailhook/nginx-config-mod 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 tailhook/nginx-config-mod
[INFO] finished frobbing tailhook/nginx-config-mod
[INFO] frobbed toml for tailhook/nginx-config-mod written to work/ex/beta-1.38-1/sources/1.37.0/gh/tailhook/nginx-config-mod/Cargo.toml
[INFO] started frobbing tailhook/nginx-config-mod
[INFO] finished frobbing tailhook/nginx-config-mod
[INFO] frobbed toml for tailhook/nginx-config-mod written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tailhook/nginx-config-mod/Cargo.toml
[INFO] crate tailhook/nginx-config-mod already has a lockfile, it will not be regenerated
[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] testing tailhook/nginx-config-mod 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/gh/tailhook/nginx-config-mod:/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] 11e221a467d42193212b8943d7ae6b9a56ae2006d17c916fa7712c39f0a629eb
[INFO] running `"docker" "start" "-a" "11e221a467d42193212b8943d7ae6b9a56ae2006d17c916fa7712c39f0a629eb"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling combine v3.5.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling structopt v0.2.10
[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 1m 40s
[INFO] running `"docker" "inspect" "11e221a467d42193212b8943d7ae6b9a56ae2006d17c916fa7712c39f0a629eb"`
[INFO] running `"docker" "rm" "-f" "11e221a467d42193212b8943d7ae6b9a56ae2006d17c916fa7712c39f0a629eb"`
[INFO] [stdout] 11e221a467d42193212b8943d7ae6b9a56ae2006d17c916fa7712c39f0a629eb
[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/gh/tailhook/nginx-config-mod:/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] b372a8a47b6bf0d77bc489099a05ee569b67db360a46bc0b59b775c28cc4a0df
[INFO] running `"docker" "start" "-a" "b372a8a47b6bf0d77bc489099a05ee569b67db360a46bc0b59b775c28cc4a0df"`
[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 2.42s
[INFO] running `"docker" "inspect" "b372a8a47b6bf0d77bc489099a05ee569b67db360a46bc0b59b775c28cc4a0df"`
[INFO] running `"docker" "rm" "-f" "b372a8a47b6bf0d77bc489099a05ee569b67db360a46bc0b59b775c28cc4a0df"`
[INFO] [stdout] b372a8a47b6bf0d77bc489099a05ee569b67db360a46bc0b59b775c28cc4a0df
[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/gh/tailhook/nginx-config-mod:/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] b9e448b1d7c783a63f4e04bad6b17cac4ff32056a638cff15d98f53930da6a80
[INFO] running `"docker" "start" "-a" "b9e448b1d7c783a63f4e04bad6b17cac4ff32056a638cff15d98f53930da6a80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nginx_config_mod-2164595533349e21
[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]      Running /opt/crater/target/debug/deps/nginx_config_mod-095cc8ae5ae4bc91
[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" "b9e448b1d7c783a63f4e04bad6b17cac4ff32056a638cff15d98f53930da6a80"`
[INFO] running `"docker" "rm" "-f" "b9e448b1d7c783a63f4e04bad6b17cac4ff32056a638cff15d98f53930da6a80"`
[INFO] [stdout] b9e448b1d7c783a63f4e04bad6b17cac4ff32056a638cff15d98f53930da6a80