[INFO] updating cached repository phyber/mutt-maildirs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phyber/mutt-maildirs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phyber/mutt-maildirs" "work/ex/beta-1.38-1/sources/1.37.0/gh/phyber/mutt-maildirs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phyber/mutt-maildirs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phyber/mutt-maildirs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phyber/mutt-maildirs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phyber/mutt-maildirs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fafb0bc9306c7d0277c657df8a61ddbb959b5bb7
[INFO] sha for GitHub repo phyber/mutt-maildirs: fafb0bc9306c7d0277c657df8a61ddbb959b5bb7
[INFO] validating manifest of phyber/mutt-maildirs 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 phyber/mutt-maildirs 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 phyber/mutt-maildirs
[INFO] finished frobbing phyber/mutt-maildirs
[INFO] frobbed toml for phyber/mutt-maildirs written to work/ex/beta-1.38-1/sources/1.37.0/gh/phyber/mutt-maildirs/Cargo.toml
[INFO] started frobbing phyber/mutt-maildirs
[INFO] finished frobbing phyber/mutt-maildirs
[INFO] frobbed toml for phyber/mutt-maildirs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phyber/mutt-maildirs/Cargo.toml
[INFO] crate phyber/mutt-maildirs 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 phyber/mutt-maildirs 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/phyber/mutt-maildirs:/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] a4a5138d612cf5112db32e0ef18104eb5cf7fab1b3c797da9c371aa08eb16000
[INFO] running `"docker" "start" "-a" "a4a5138d612cf5112db32e0ef18104eb5cf7fab1b3c797da9c371aa08eb16000"`
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.15
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling mutt-maildirs v0.1.0 (/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:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let home = match env::home_dir() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.46s
[INFO] running `"docker" "inspect" "a4a5138d612cf5112db32e0ef18104eb5cf7fab1b3c797da9c371aa08eb16000"`
[INFO] running `"docker" "rm" "-f" "a4a5138d612cf5112db32e0ef18104eb5cf7fab1b3c797da9c371aa08eb16000"`
[INFO] [stdout] a4a5138d612cf5112db32e0ef18104eb5cf7fab1b3c797da9c371aa08eb16000
[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/phyber/mutt-maildirs:/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] eda288f166a131e5aa358f72e33b7d07d745c5c3bc21070684fbd8b02fae2536
[INFO] running `"docker" "start" "-a" "eda288f166a131e5aa358f72e33b7d07d745c5c3bc21070684fbd8b02fae2536"`
[INFO] [stderr]    Compiling mutt-maildirs v0.1.0 (/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:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let home = match env::home_dir() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "eda288f166a131e5aa358f72e33b7d07d745c5c3bc21070684fbd8b02fae2536"`
[INFO] running `"docker" "rm" "-f" "eda288f166a131e5aa358f72e33b7d07d745c5c3bc21070684fbd8b02fae2536"`
[INFO] [stdout] eda288f166a131e5aa358f72e33b7d07d745c5c3bc21070684fbd8b02fae2536
[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/phyber/mutt-maildirs:/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] 6153f8a4bb16f7d4ff027b52f2aa176b095004125ca5aec873c2e6ecc05062b2
[INFO] running `"docker" "start" "-a" "6153f8a4bb16f7d4ff027b52f2aa176b095004125ca5aec873c2e6ecc05062b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mutt_maildirs-dc9ece53a91522fd
[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" "6153f8a4bb16f7d4ff027b52f2aa176b095004125ca5aec873c2e6ecc05062b2"`
[INFO] running `"docker" "rm" "-f" "6153f8a4bb16f7d4ff027b52f2aa176b095004125ca5aec873c2e6ecc05062b2"`
[INFO] [stdout] 6153f8a4bb16f7d4ff027b52f2aa176b095004125ca5aec873c2e6ecc05062b2