[INFO] crate http_handler 0.0.0-dev is already in cache
[INFO] extracting crate http_handler 0.0.0-dev into work/ex/beta-1.37-6/sources/1.36.0/reg/http_handler/0.0.0-dev
[INFO] extracting crate http_handler 0.0.0-dev into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/http_handler/0.0.0-dev
[INFO] validating manifest of http_handler-0.0.0-dev 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 http_handler-0.0.0-dev 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 http_handler-0.0.0-dev
[INFO] finished frobbing http_handler-0.0.0-dev
[INFO] frobbed toml for http_handler-0.0.0-dev written to work/ex/beta-1.37-6/sources/1.36.0/reg/http_handler/0.0.0-dev/Cargo.toml
[INFO] started frobbing http_handler-0.0.0-dev
[INFO] finished frobbing http_handler-0.0.0-dev
[INFO] frobbed toml for http_handler-0.0.0-dev written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/http_handler/0.0.0-dev/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 http_handler-0.0.0-dev 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/http_handler/0.0.0-dev:/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] 9fe975db432b4e0cd4c0e3f747d017c6b89985a857d94ebde50b8c02d7a8d67a
[INFO] running `"docker" "start" "-a" "9fe975db432b4e0cd4c0e3f747d017c6b89985a857d94ebde50b8c02d7a8d67a"`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling http_handler v0.0.0-dev (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `alphanumeric`
[INFO] [stderr]  --> src/lib.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nom::{digit, alphanumeric};
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `as_digit`
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn as_digit(slice: &[u8]) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "9fe975db432b4e0cd4c0e3f747d017c6b89985a857d94ebde50b8c02d7a8d67a"`
[INFO] running `"docker" "rm" "-f" "9fe975db432b4e0cd4c0e3f747d017c6b89985a857d94ebde50b8c02d7a8d67a"`
[INFO] [stdout] 9fe975db432b4e0cd4c0e3f747d017c6b89985a857d94ebde50b8c02d7a8d67a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/http_handler/0.0.0-dev:/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] 311f235ac94dbb137e6a3910a54b55e3674663c753aca7ac1c7ca780e46f2f92
[INFO] running `"docker" "start" "-a" "311f235ac94dbb137e6a3910a54b55e3674663c753aca7ac1c7ca780e46f2f92"`
[INFO] [stderr]    Compiling http_handler v0.0.0-dev (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `alphanumeric`
[INFO] [stderr]  --> src/lib.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nom::{digit, alphanumeric};
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "311f235ac94dbb137e6a3910a54b55e3674663c753aca7ac1c7ca780e46f2f92"`
[INFO] running `"docker" "rm" "-f" "311f235ac94dbb137e6a3910a54b55e3674663c753aca7ac1c7ca780e46f2f92"`
[INFO] [stdout] 311f235ac94dbb137e6a3910a54b55e3674663c753aca7ac1c7ca780e46f2f92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/http_handler/0.0.0-dev:/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] fa0c47e7126d309357c865b1f91d9054ebc161133f385086a86fcd94e77ddde7
[INFO] running `"docker" "start" "-a" "fa0c47e7126d309357c865b1f91d9054ebc161133f385086a86fcd94e77ddde7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/http_handler-a4bba21357fa9255
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::http_name ... ok
[INFO] [stdout] test tests::request_line ... ok
[INFO] [stdout] test tests::http_version ... ok
[INFO] [stderr]    Doc-tests http_handler
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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] running `"docker" "inspect" "fa0c47e7126d309357c865b1f91d9054ebc161133f385086a86fcd94e77ddde7"`
[INFO] running `"docker" "rm" "-f" "fa0c47e7126d309357c865b1f91d9054ebc161133f385086a86fcd94e77ddde7"`
[INFO] [stdout] fa0c47e7126d309357c865b1f91d9054ebc161133f385086a86fcd94e77ddde7