[INFO] updating cached repository firba1/tpol-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/firba1/tpol-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/firba1/tpol-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/firba1/tpol-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/firba1/tpol-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/firba1/tpol-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28dddb6ce86477e06cdb94ee3678bdb01946b9fb
[INFO] sha for GitHub repo firba1/tpol-rs: 28dddb6ce86477e06cdb94ee3678bdb01946b9fb
[INFO] validating manifest of firba1/tpol-rs 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 firba1/tpol-rs 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 firba1/tpol-rs
[INFO] finished frobbing firba1/tpol-rs
[INFO] frobbed toml for firba1/tpol-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs/Cargo.toml
[INFO] started frobbing firba1/tpol-rs
[INFO] finished frobbing firba1/tpol-rs
[INFO] frobbed toml for firba1/tpol-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/firba1/tpol-rs/Cargo.toml
[INFO] crate firba1/tpol-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing firba1/tpol-rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs:/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] 47c2a6cc96fe416fda61bd41418dacd563ff64f54bfdf550efc1ea787ab638af
[INFO] running `"docker" "start" "-a" "47c2a6cc96fe416fda61bd41418dacd563ff64f54bfdf550efc1ea787ab638af"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling tpol v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::env::home_dir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:70:67
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let (history_file_option, prompts_config_path_option) = match home_dir() {
[INFO] [stderr]    |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     let mut process_result = command.spawn();
[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 8.35s
[INFO] running `"docker" "inspect" "47c2a6cc96fe416fda61bd41418dacd563ff64f54bfdf550efc1ea787ab638af"`
[INFO] running `"docker" "rm" "-f" "47c2a6cc96fe416fda61bd41418dacd563ff64f54bfdf550efc1ea787ab638af"`
[INFO] [stdout] 47c2a6cc96fe416fda61bd41418dacd563ff64f54bfdf550efc1ea787ab638af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs:/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] 3ee0d6806949fe991e9558a100de584cbc7528ae2116363f55bac031cea3535f
[INFO] running `"docker" "start" "-a" "3ee0d6806949fe991e9558a100de584cbc7528ae2116363f55bac031cea3535f"`
[INFO] [stderr]    Compiling tpol v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::env::home_dir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:70:67
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let (history_file_option, prompts_config_path_option) = match home_dir() {
[INFO] [stderr]    |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     let mut process_result = command.spawn();
[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 0.79s
[INFO] running `"docker" "inspect" "3ee0d6806949fe991e9558a100de584cbc7528ae2116363f55bac031cea3535f"`
[INFO] running `"docker" "rm" "-f" "3ee0d6806949fe991e9558a100de584cbc7528ae2116363f55bac031cea3535f"`
[INFO] [stdout] 3ee0d6806949fe991e9558a100de584cbc7528ae2116363f55bac031cea3535f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/firba1/tpol-rs:/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] ea4f06686e3bfc52cfa1f4845dcff072b3c1db8c68c943f6cb129360517a5b14
[INFO] running `"docker" "start" "-a" "ea4f06686e3bfc52cfa1f4845dcff072b3c1db8c68c943f6cb129360517a5b14"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tpol-cc213432bca95f2b
[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" "ea4f06686e3bfc52cfa1f4845dcff072b3c1db8c68c943f6cb129360517a5b14"`
[INFO] running `"docker" "rm" "-f" "ea4f06686e3bfc52cfa1f4845dcff072b3c1db8c68c943f6cb129360517a5b14"`
[INFO] [stdout] ea4f06686e3bfc52cfa1f4845dcff072b3c1db8c68c943f6cb129360517a5b14