[INFO] updating cached repository syurchenko/ololo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/syurchenko/ololo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/syurchenko/ololo" "work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/syurchenko/ololo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syurchenko/ololo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syurchenko/ololo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] daf83588bebbe5aa5c904376e761c04e2e2aa161
[INFO] sha for GitHub repo syurchenko/ololo: daf83588bebbe5aa5c904376e761c04e2e2aa161
[INFO] validating manifest of syurchenko/ololo 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 syurchenko/ololo 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 syurchenko/ololo
[INFO] finished frobbing syurchenko/ololo
[INFO] frobbed toml for syurchenko/ololo written to work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo/Cargo.toml
[INFO] started frobbing syurchenko/ololo
[INFO] finished frobbing syurchenko/ololo
[INFO] frobbed toml for syurchenko/ololo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syurchenko/ololo/Cargo.toml
[INFO] crate syurchenko/ololo 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 syurchenko/ololo against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 19392692d454884232a8c3f1e34092f93a9c62e0b946102e20803a8d5220495a
[INFO] running `"docker" "start" "-a" "19392692d454884232a8c3f1e34092f93a9c62e0b946102e20803a8d5220495a"`
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling params v0.8.0
[INFO] [stderr]    Compiling highload v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Params`
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use params::{Params};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]    --> src/main.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut server = Iron::new(chain)
[INFO] [stderr]     |                 ^^^^^^ help: consider prefixing with an underscore: `_server`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut server = Iron::new(chain)
[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 34.19s
[INFO] running `"docker" "inspect" "19392692d454884232a8c3f1e34092f93a9c62e0b946102e20803a8d5220495a"`
[INFO] running `"docker" "rm" "-f" "19392692d454884232a8c3f1e34092f93a9c62e0b946102e20803a8d5220495a"`
[INFO] [stdout] 19392692d454884232a8c3f1e34092f93a9c62e0b946102e20803a8d5220495a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0cb42b0fe6e2cd54062e8480966876e317375497806abb0e6cbaa630d5821880
[INFO] running `"docker" "start" "-a" "0cb42b0fe6e2cd54062e8480966876e317375497806abb0e6cbaa630d5821880"`
[INFO] [stderr]    Compiling highload v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Params`
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use params::{Params};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]    --> src/main.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut server = Iron::new(chain)
[INFO] [stderr]     |                 ^^^^^^ help: consider prefixing with an underscore: `_server`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut server = Iron::new(chain)
[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 1.43s
[INFO] running `"docker" "inspect" "0cb42b0fe6e2cd54062e8480966876e317375497806abb0e6cbaa630d5821880"`
[INFO] running `"docker" "rm" "-f" "0cb42b0fe6e2cd54062e8480966876e317375497806abb0e6cbaa630d5821880"`
[INFO] [stdout] 0cb42b0fe6e2cd54062e8480966876e317375497806abb0e6cbaa630d5821880
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/syurchenko/ololo:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 92480f391830bb7babaad03527ba77fce3e5afc2d38283299b15a174595cadbd
[INFO] running `"docker" "start" "-a" "92480f391830bb7babaad03527ba77fce3e5afc2d38283299b15a174595cadbd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/highload-3bab9f323104930a
[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" "92480f391830bb7babaad03527ba77fce3e5afc2d38283299b15a174595cadbd"`
[INFO] running `"docker" "rm" "-f" "92480f391830bb7babaad03527ba77fce3e5afc2d38283299b15a174595cadbd"`
[INFO] [stdout] 92480f391830bb7babaad03527ba77fce3e5afc2d38283299b15a174595cadbd