[INFO] updating cached repository Innectic/fe-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Innectic/fe-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Innectic/fe-shell" "work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Innectic/fe-shell" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Innectic/fe-shell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Innectic/fe-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f69ba9b01f3ad8c40f388bafd3d791ce62e8a4b
[INFO] sha for GitHub repo Innectic/fe-shell: 8f69ba9b01f3ad8c40f388bafd3d791ce62e8a4b
[INFO] validating manifest of Innectic/fe-shell 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 Innectic/fe-shell 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 Innectic/fe-shell
[INFO] finished frobbing Innectic/fe-shell
[INFO] frobbed toml for Innectic/fe-shell written to work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell/Cargo.toml
[INFO] started frobbing Innectic/fe-shell
[INFO] finished frobbing Innectic/fe-shell
[INFO] frobbed toml for Innectic/fe-shell written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Innectic/fe-shell/Cargo.toml
[INFO] crate Innectic/fe-shell 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 Innectic/fe-shell 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell:/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] a01264ef5e2078ae774579e0b813f237c9553d3bacf8500a86205184e6714146
[INFO] running `"docker" "start" "-a" "a01264ef5e2078ae774579e0b813f237c9553d3bacf8500a86205184e6714146"`
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling fe-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/config.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde_json::{Value, from_str};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] 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/instance.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         match env::home_dir() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CouldNotParseConfig`
[INFO] [stderr]   --> src/instance.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     CouldNotParseConfig
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     create_default_config(&config_path);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout().flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.82s
[INFO] running `"docker" "inspect" "a01264ef5e2078ae774579e0b813f237c9553d3bacf8500a86205184e6714146"`
[INFO] running `"docker" "rm" "-f" "a01264ef5e2078ae774579e0b813f237c9553d3bacf8500a86205184e6714146"`
[INFO] [stdout] a01264ef5e2078ae774579e0b813f237c9553d3bacf8500a86205184e6714146
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell:/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] 556d78b51dcc930dfe4d95f90c73bf0a19b3a191a1011492185c25990238031a
[INFO] running `"docker" "start" "-a" "556d78b51dcc930dfe4d95f90c73bf0a19b3a191a1011492185c25990238031a"`
[INFO] [stderr]    Compiling fe-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/config.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde_json::{Value, from_str};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] 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/instance.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         match env::home_dir() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CouldNotParseConfig`
[INFO] [stderr]   --> src/instance.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     CouldNotParseConfig
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     create_default_config(&config_path);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout().flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "556d78b51dcc930dfe4d95f90c73bf0a19b3a191a1011492185c25990238031a"`
[INFO] running `"docker" "rm" "-f" "556d78b51dcc930dfe4d95f90c73bf0a19b3a191a1011492185c25990238031a"`
[INFO] [stdout] 556d78b51dcc930dfe4d95f90c73bf0a19b3a191a1011492185c25990238031a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Innectic/fe-shell:/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] 53e9f9e472c30caf348f4a6c40a334dc3ed7b1521ae88aa3491e6327bb825a39
[INFO] running `"docker" "start" "-a" "53e9f9e472c30caf348f4a6c40a334dc3ed7b1521ae88aa3491e6327bb825a39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fe_shell-660487302469207b
[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" "53e9f9e472c30caf348f4a6c40a334dc3ed7b1521ae88aa3491e6327bb825a39"`
[INFO] running `"docker" "rm" "-f" "53e9f9e472c30caf348f4a6c40a334dc3ed7b1521ae88aa3491e6327bb825a39"`
[INFO] [stdout] 53e9f9e472c30caf348f4a6c40a334dc3ed7b1521ae88aa3491e6327bb825a39