[INFO] updating cached repository neilparikh/http
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neilparikh/http
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neilparikh/http" "work/ex/beta-1.37-6/sources/1.36.0/gh/neilparikh/http"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/neilparikh/http'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neilparikh/http" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89453990fb6b8faad8cb83ce11658b762cf06c53
[INFO] sha for GitHub repo neilparikh/http: 89453990fb6b8faad8cb83ce11658b762cf06c53
[INFO] validating manifest of neilparikh/http 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 neilparikh/http 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 neilparikh/http
[INFO] finished frobbing neilparikh/http
[INFO] frobbed toml for neilparikh/http written to work/ex/beta-1.37-6/sources/1.36.0/gh/neilparikh/http/Cargo.toml
[INFO] started frobbing neilparikh/http
[INFO] finished frobbing neilparikh/http
[INFO] frobbed toml for neilparikh/http written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http/Cargo.toml
[INFO] crate neilparikh/http already has a lockfile, it will not be regenerated
[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 neilparikh/http against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 812d479c212217ab40839d8d60c91ca0ca8ceab88fcf904cf24bff94e3f1dc31
[INFO] running `"docker" "start" "-a" "812d479c212217ab40839d8d60c91ca0ca8ceab88fcf904cf24bff94e3f1dc31"`
[INFO] [stderr]    Compiling http v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     let mut content_type;
[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 1.32s
[INFO] running `"docker" "inspect" "812d479c212217ab40839d8d60c91ca0ca8ceab88fcf904cf24bff94e3f1dc31"`
[INFO] running `"docker" "rm" "-f" "812d479c212217ab40839d8d60c91ca0ca8ceab88fcf904cf24bff94e3f1dc31"`
[INFO] [stdout] 812d479c212217ab40839d8d60c91ca0ca8ceab88fcf904cf24bff94e3f1dc31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1df89dc0f80139a5c229122c8f0c3c4ea0303b94f73e65ffcb20a88926c37a3f
[INFO] running `"docker" "start" "-a" "1df89dc0f80139a5c229122c8f0c3c4ea0303b94f73e65ffcb20a88926c37a3f"`
[INFO] [stderr]    Compiling http v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     let mut content_type;
[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 0.96s
[INFO] running `"docker" "inspect" "1df89dc0f80139a5c229122c8f0c3c4ea0303b94f73e65ffcb20a88926c37a3f"`
[INFO] running `"docker" "rm" "-f" "1df89dc0f80139a5c229122c8f0c3c4ea0303b94f73e65ffcb20a88926c37a3f"`
[INFO] [stdout] 1df89dc0f80139a5c229122c8f0c3c4ea0303b94f73e65ffcb20a88926c37a3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neilparikh/http:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 090f9656c4c414239826129436b62fba88c15c5505ae4a41261f8ebcefead49f
[INFO] running `"docker" "start" "-a" "090f9656c4c414239826129436b62fba88c15c5505ae4a41261f8ebcefead49f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/http-3866ad7f41a31f65
[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" "090f9656c4c414239826129436b62fba88c15c5505ae4a41261f8ebcefead49f"`
[INFO] running `"docker" "rm" "-f" "090f9656c4c414239826129436b62fba88c15c5505ae4a41261f8ebcefead49f"`
[INFO] [stdout] 090f9656c4c414239826129436b62fba88c15c5505ae4a41261f8ebcefead49f