[INFO] cloning repository slier81/multithreaded_webserver
[INFO] running `"git" "clone" "--bare" "git://github.com/slier81/multithreaded_webserver.git" "work/cache/sources/gh/slier81/multithreaded_webserver"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/slier81/multithreaded_webserver'...
[INFO] running `"git" "clone" "work/cache/sources/gh/slier81/multithreaded_webserver" "work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slier81/multithreaded_webserver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/slier81/multithreaded_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/slier81/multithreaded_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f86b366c6748a2095e8c77329c274d2d122ae92d
[INFO] sha for GitHub repo slier81/multithreaded_webserver: f86b366c6748a2095e8c77329c274d2d122ae92d
[INFO] validating manifest of slier81/multithreaded_webserver 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 slier81/multithreaded_webserver 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 slier81/multithreaded_webserver
[INFO] finished frobbing slier81/multithreaded_webserver
[INFO] frobbed toml for slier81/multithreaded_webserver written to work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver/Cargo.toml
[INFO] started frobbing slier81/multithreaded_webserver
[INFO] finished frobbing slier81/multithreaded_webserver
[INFO] frobbed toml for slier81/multithreaded_webserver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/slier81/multithreaded_webserver/Cargo.toml
[INFO] crate slier81/multithreaded_webserver 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slier81/multithreaded_webserver against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c69cd333f1a9020ce09edfefb7d1bb359d7fda3763f9a11bc358dd2e92a75c32
[INFO] running `"docker" "start" "-a" "c69cd333f1a9020ce09edfefb7d1bb359d7fda3763f9a11bc358dd2e92a75c32"`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread::Thread`
[INFO] [stderr]  --> src/bin/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread::Thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "c69cd333f1a9020ce09edfefb7d1bb359d7fda3763f9a11bc358dd2e92a75c32"`
[INFO] running `"docker" "rm" "-f" "c69cd333f1a9020ce09edfefb7d1bb359d7fda3763f9a11bc358dd2e92a75c32"`
[INFO] [stdout] c69cd333f1a9020ce09edfefb7d1bb359d7fda3763f9a11bc358dd2e92a75c32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed8e42733b32b3fbfa47e956266b3cbf9003597ef8167bf30984ffea4ecbbac9
[INFO] running `"docker" "start" "-a" "ed8e42733b32b3fbfa47e956266b3cbf9003597ef8167bf30984ffea4ecbbac9"`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread::Thread`
[INFO] [stderr]  --> src/bin/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread::Thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "ed8e42733b32b3fbfa47e956266b3cbf9003597ef8167bf30984ffea4ecbbac9"`
[INFO] running `"docker" "rm" "-f" "ed8e42733b32b3fbfa47e956266b3cbf9003597ef8167bf30984ffea4ecbbac9"`
[INFO] [stdout] ed8e42733b32b3fbfa47e956266b3cbf9003597ef8167bf30984ffea4ecbbac9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/slier81/multithreaded_webserver:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3f86fc9aed9af081df821e805cd79b6a58b8f93f13c29eecbbab6a7bfb2e2bf7
[INFO] running `"docker" "start" "-a" "3f86fc9aed9af081df821e805cd79b6a58b8f93f13c29eecbbab6a7bfb2e2bf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/web_server-79983f183fac457e
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-9c21628feee1295e
[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 web_server
[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" "3f86fc9aed9af081df821e805cd79b6a58b8f93f13c29eecbbab6a7bfb2e2bf7"`
[INFO] running `"docker" "rm" "-f" "3f86fc9aed9af081df821e805cd79b6a58b8f93f13c29eecbbab6a7bfb2e2bf7"`
[INFO] [stdout] 3f86fc9aed9af081df821e805cd79b6a58b8f93f13c29eecbbab6a7bfb2e2bf7