[INFO] crate dtab 0.0.2 is already in cache
[INFO] extracting crate dtab 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/dtab/0.0.2
[INFO] extracting crate dtab 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dtab/0.0.2
[INFO] validating manifest of dtab-0.0.2 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 dtab-0.0.2 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 dtab-0.0.2
[INFO] finished frobbing dtab-0.0.2
[INFO] frobbed toml for dtab-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dtab/0.0.2/Cargo.toml
[INFO] started frobbing dtab-0.0.2
[INFO] finished frobbing dtab-0.0.2
[INFO] frobbed toml for dtab-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dtab/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dtab-0.0.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dtab/0.0.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] da79c9c20ca5df8a8f9187a1892e0d31965cbad72de5a8856cecee8c5f48399d
[INFO] running `"docker" "start" "-a" "da79c9c20ca5df8a8f9187a1892e0d31965cbad72de5a8856cecee8c5f48399d"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.17s
[INFO] running `"docker" "inspect" "da79c9c20ca5df8a8f9187a1892e0d31965cbad72de5a8856cecee8c5f48399d"`
[INFO] running `"docker" "rm" "-f" "da79c9c20ca5df8a8f9187a1892e0d31965cbad72de5a8856cecee8c5f48399d"`
[INFO] [stdout] da79c9c20ca5df8a8f9187a1892e0d31965cbad72de5a8856cecee8c5f48399d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dtab/0.0.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e74c404946f309d47e1313a03d0c5fbcf3a15d34a9cf9194eeaff2f6f215dfef
[INFO] running `"docker" "start" "-a" "e74c404946f309d47e1313a03d0c5fbcf3a15d34a9cf9194eeaff2f6f215dfef"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.2.1
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::NameTree::*`
[INFO] [stderr]    --> src/nametree.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |     use super::NameTree::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "e74c404946f309d47e1313a03d0c5fbcf3a15d34a9cf9194eeaff2f6f215dfef"`
[INFO] running `"docker" "rm" "-f" "e74c404946f309d47e1313a03d0c5fbcf3a15d34a9cf9194eeaff2f6f215dfef"`
[INFO] [stdout] e74c404946f309d47e1313a03d0c5fbcf3a15d34a9cf9194eeaff2f6f215dfef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dtab/0.0.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] eea8a4dcb33097d0264b42acd8842c6d4cfa9213e457534900b1e0d467db520d
[INFO] running `"docker" "start" "-a" "eea8a4dcb33097d0264b42acd8842c6d4cfa9213e457534900b1e0d467db520d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dtab-f4a09792e09f6f0f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test nametree::tests::fail_alt ... ok
[INFO] [stdout] test nametree::tests::neg_alt ... ok
[INFO] [stdout] test nametree::tests::multiple_alt ... ok
[INFO] [stdout] test nametree::tests::simple_weighted_union ... ok
[INFO] [stdout] test nametree::tests::simple_alt ... ok
[INFO] [stdout] test nametree::tests::simple_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dtab
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/nametree.rs - nametree (line 49) ... ok
[INFO] [stdout] test src/lib.rs - dtab (line 63) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 22) ... ok
[INFO] [stdout] test src/lib.rs - dentry (line 37) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 106) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 125) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 59) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 73) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eea8a4dcb33097d0264b42acd8842c6d4cfa9213e457534900b1e0d467db520d"`
[INFO] running `"docker" "rm" "-f" "eea8a4dcb33097d0264b42acd8842c6d4cfa9213e457534900b1e0d467db520d"`
[INFO] [stdout] eea8a4dcb33097d0264b42acd8842c6d4cfa9213e457534900b1e0d467db520d