[INFO] updating cached repository AnickaBurova/tunnel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AnickaBurova/tunnel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AnickaBurova/tunnel" "work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AnickaBurova/tunnel" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnickaBurova/tunnel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnickaBurova/tunnel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a599fe9acd7bd4e467ad78cfaa57c56364eddc72
[INFO] sha for GitHub repo AnickaBurova/tunnel: a599fe9acd7bd4e467ad78cfaa57c56364eddc72
[INFO] validating manifest of AnickaBurova/tunnel 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 AnickaBurova/tunnel 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 AnickaBurova/tunnel
[INFO] finished frobbing AnickaBurova/tunnel
[INFO] frobbed toml for AnickaBurova/tunnel written to work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel/Cargo.toml
[INFO] started frobbing AnickaBurova/tunnel
[INFO] finished frobbing AnickaBurova/tunnel
[INFO] frobbed toml for AnickaBurova/tunnel written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnickaBurova/tunnel/Cargo.toml
[INFO] crate AnickaBurova/tunnel 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing AnickaBurova/tunnel 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel:/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] addafbd14f513dd492ee6b7e8e74f38a3e56ac1c671e32d1e8cdccc30fc393f3
[INFO] running `"docker" "start" "-a" "addafbd14f513dd492ee6b7e8e74f38a3e56ac1c671e32d1e8cdccc30fc393f3"`
[INFO] [stderr]    Compiling serde v1.0.12
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling rust-ini v0.9.12
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling humantime v1.0.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rpassword v0.2.3
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_yaml v0.6.2
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde-value v0.5.1
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.3
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling hyper-openssl v0.2.7
[INFO] [stderr]    Compiling lsio v0.1.18
[INFO] [stderr]    Compiling aws-sdk-rust v0.1.42
[INFO] [stderr]    Compiling log4rs v0.7.0
[INFO] [stderr]    Compiling tunnel v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `serde_yaml` is imported redundantly
[INFO] [stderr]   --> src/config.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             use serde_yaml;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | extern crate serde_yaml;
[INFO] [stderr]    | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/tunnel.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     use std::str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `serde_yaml` is imported redundantly
[INFO] [stderr]    --> src/tunnel.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     use serde_yaml;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:30:1
[INFO] [stderr]     |
[INFO] [stderr] 30  | extern crate serde_yaml;
[INFO] [stderr]     | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `thread` is imported redundantly
[INFO] [stderr]   --> src/connection.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::thread;
[INFO] [stderr]    |     ----------- the item `thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `"docker" "inspect" "addafbd14f513dd492ee6b7e8e74f38a3e56ac1c671e32d1e8cdccc30fc393f3"`
[INFO] running `"docker" "rm" "-f" "addafbd14f513dd492ee6b7e8e74f38a3e56ac1c671e32d1e8cdccc30fc393f3"`
[INFO] [stdout] addafbd14f513dd492ee6b7e8e74f38a3e56ac1c671e32d1e8cdccc30fc393f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel:/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] 4ec700ae56f21c059b4e0d1502920caa26c9832dd434312898dec6e9cea6925c
[INFO] running `"docker" "start" "-a" "4ec700ae56f21c059b4e0d1502920caa26c9832dd434312898dec6e9cea6925c"`
[INFO] [stderr]    Compiling tunnel v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `serde_yaml` is imported redundantly
[INFO] [stderr]   --> src/config.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             use serde_yaml;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | extern crate serde_yaml;
[INFO] [stderr]    | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/tunnel.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     use std::str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `serde_yaml` is imported redundantly
[INFO] [stderr]    --> src/tunnel.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     use serde_yaml;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:30:1
[INFO] [stderr]     |
[INFO] [stderr] 30  | extern crate serde_yaml;
[INFO] [stderr]     | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `thread` is imported redundantly
[INFO] [stderr]   --> src/connection.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::thread;
[INFO] [stderr]    |     ----------- the item `thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "4ec700ae56f21c059b4e0d1502920caa26c9832dd434312898dec6e9cea6925c"`
[INFO] running `"docker" "rm" "-f" "4ec700ae56f21c059b4e0d1502920caa26c9832dd434312898dec6e9cea6925c"`
[INFO] [stdout] 4ec700ae56f21c059b4e0d1502920caa26c9832dd434312898dec6e9cea6925c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnickaBurova/tunnel:/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] c4dab834963c37bddd0f1e2b04ae57d7a05cd7cd2eec97238f77512fa444b29d
[INFO] running `"docker" "start" "-a" "c4dab834963c37bddd0f1e2b04ae57d7a05cd7cd2eec97238f77512fa444b29d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tunnel-20379595ae8587f1
[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" "c4dab834963c37bddd0f1e2b04ae57d7a05cd7cd2eec97238f77512fa444b29d"`
[INFO] running `"docker" "rm" "-f" "c4dab834963c37bddd0f1e2b04ae57d7a05cd7cd2eec97238f77512fa444b29d"`
[INFO] [stdout] c4dab834963c37bddd0f1e2b04ae57d7a05cd7cd2eec97238f77512fa444b29d