[INFO] crate lad 0.1.1 is already in cache
[INFO] extracting crate lad 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/lad/0.1.1
[INFO] extracting crate lad 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lad/0.1.1
[INFO] validating manifest of lad-0.1.1 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 lad-0.1.1 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 lad-0.1.1
[INFO] finished frobbing lad-0.1.1
[INFO] frobbed toml for lad-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lad/0.1.1/Cargo.toml
[INFO] started frobbing lad-0.1.1
[INFO] finished frobbing lad-0.1.1
[INFO] frobbed toml for lad-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lad/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 lad-0.1.1 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/reg/lad/0.1.1:/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] 9f36ccc0d8f6d0a352d6bae999bd458994490d63443f4ce31122d48e6391ce54
[INFO] running `"docker" "start" "-a" "9f36ccc0d8f6d0a352d6bae999bd458994490d63443f4ce31122d48e6391ce54"`
[INFO] [stderr]    Compiling lad v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `tmp_entry` is never read
[INFO] [stderr]   --> src/wad/mod.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut tmp_entry = DirEntry {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "9f36ccc0d8f6d0a352d6bae999bd458994490d63443f4ce31122d48e6391ce54"`
[INFO] running `"docker" "rm" "-f" "9f36ccc0d8f6d0a352d6bae999bd458994490d63443f4ce31122d48e6391ce54"`
[INFO] [stdout] 9f36ccc0d8f6d0a352d6bae999bd458994490d63443f4ce31122d48e6391ce54
[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/reg/lad/0.1.1:/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] 3cb64c79ca1535ed87e4328c06168d54b54a014b962430889e82362766c5b515
[INFO] running `"docker" "start" "-a" "3cb64c79ca1535ed87e4328c06168d54b54a014b962430889e82362766c5b515"`
[INFO] [stderr]    Compiling lad v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         use std::fs::File;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/lib.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         use std::io::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp_entry` is never read
[INFO] [stderr]   --> src/wad/mod.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut tmp_entry = DirEntry {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "3cb64c79ca1535ed87e4328c06168d54b54a014b962430889e82362766c5b515"`
[INFO] running `"docker" "rm" "-f" "3cb64c79ca1535ed87e4328c06168d54b54a014b962430889e82362766c5b515"`
[INFO] [stdout] 3cb64c79ca1535ed87e4328c06168d54b54a014b962430889e82362766c5b515
[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/reg/lad/0.1.1:/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] 7364265e557195dbad0cd54e7b589f4a6be3cc802fc35299b6d7d7dcdfd24ff5
[INFO] running `"docker" "start" "-a" "7364265e557195dbad0cd54e7b589f4a6be3cc802fc35299b6d7d7dcdfd24ff5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lad-d23af0531021eeff
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lad
[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" "7364265e557195dbad0cd54e7b589f4a6be3cc802fc35299b6d7d7dcdfd24ff5"`
[INFO] running `"docker" "rm" "-f" "7364265e557195dbad0cd54e7b589f4a6be3cc802fc35299b6d7d7dcdfd24ff5"`
[INFO] [stdout] 7364265e557195dbad0cd54e7b589f4a6be3cc802fc35299b6d7d7dcdfd24ff5