[INFO] updating cached repository carlosgaldino/emacs-error
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carlosgaldino/emacs-error
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carlosgaldino/emacs-error" "work/ex/beta-1.37-6/sources/1.36.0/gh/carlosgaldino/emacs-error"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/carlosgaldino/emacs-error'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carlosgaldino/emacs-error" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3676e90e4822c8912967d9c73e34b730595d1de
[INFO] sha for GitHub repo carlosgaldino/emacs-error: d3676e90e4822c8912967d9c73e34b730595d1de
[INFO] validating manifest of carlosgaldino/emacs-error 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 carlosgaldino/emacs-error 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 carlosgaldino/emacs-error
[INFO] finished frobbing carlosgaldino/emacs-error
[INFO] frobbed toml for carlosgaldino/emacs-error written to work/ex/beta-1.37-6/sources/1.36.0/gh/carlosgaldino/emacs-error/Cargo.toml
[INFO] started frobbing carlosgaldino/emacs-error
[INFO] finished frobbing carlosgaldino/emacs-error
[INFO] frobbed toml for carlosgaldino/emacs-error written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error/Cargo.toml
[INFO] crate carlosgaldino/emacs-error 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing carlosgaldino/emacs-error against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ad2330162ee9a51a19103b6e6a65d12c08e4364cd65e66449468a26cebe75e59
[INFO] running `"docker" "start" "-a" "ad2330162ee9a51a19103b6e6a65d12c08e4364cd65e66449468a26cebe75e59"`
[INFO] [stderr]    Compiling emacs-error v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "ad2330162ee9a51a19103b6e6a65d12c08e4364cd65e66449468a26cebe75e59"`
[INFO] running `"docker" "rm" "-f" "ad2330162ee9a51a19103b6e6a65d12c08e4364cd65e66449468a26cebe75e59"`
[INFO] [stdout] ad2330162ee9a51a19103b6e6a65d12c08e4364cd65e66449468a26cebe75e59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 977c956893b3d7c437f91d43aaad29b64276bd786fc816ff7888aa63e6950a61
[INFO] running `"docker" "start" "-a" "977c956893b3d7c437f91d43aaad29b64276bd786fc816ff7888aa63e6950a61"`
[INFO] [stderr]    Compiling emacs-error v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "977c956893b3d7c437f91d43aaad29b64276bd786fc816ff7888aa63e6950a61"`
[INFO] running `"docker" "rm" "-f" "977c956893b3d7c437f91d43aaad29b64276bd786fc816ff7888aa63e6950a61"`
[INFO] [stdout] 977c956893b3d7c437f91d43aaad29b64276bd786fc816ff7888aa63e6950a61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlosgaldino/emacs-error:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a8dcb3ee2e9b6edfa9ee88243a9e9fb9a610cf8b06ee80febf5801921350aaeb
[INFO] running `"docker" "start" "-a" "a8dcb3ee2e9b6edfa9ee88243a9e9fb9a610cf8b06ee80febf5801921350aaeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emacs_error-f35ed90412857685
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emacs_error-f2e862e8b5a0787c
[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] [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 emacs-error
[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" "a8dcb3ee2e9b6edfa9ee88243a9e9fb9a610cf8b06ee80febf5801921350aaeb"`
[INFO] running `"docker" "rm" "-f" "a8dcb3ee2e9b6edfa9ee88243a9e9fb9a610cf8b06ee80febf5801921350aaeb"`
[INFO] [stdout] a8dcb3ee2e9b6edfa9ee88243a9e9fb9a610cf8b06ee80febf5801921350aaeb