[INFO] crate gensym 0.1.0 is already in cache
[INFO] extracting crate gensym 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/gensym/0.1.0
[INFO] extracting crate gensym 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gensym/0.1.0
[INFO] validating manifest of gensym-0.1.0 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 gensym-0.1.0 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 gensym-0.1.0
[INFO] finished frobbing gensym-0.1.0
[INFO] frobbed toml for gensym-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/gensym/0.1.0/Cargo.toml
[INFO] started frobbing gensym-0.1.0
[INFO] finished frobbing gensym-0.1.0
[INFO] frobbed toml for gensym-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gensym/0.1.0/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 gensym-0.1.0 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/reg/gensym/0.1.0:/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] a85fbc45ae2043751e0a739e7590bec05f514376c956839fc5b65181106af8e2
[INFO] running `"docker" "start" "-a" "a85fbc45ae2043751e0a739e7590bec05f514376c956839fc5b65181106af8e2"`
[INFO] [stderr]    Compiling gensym v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use quote::quote;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Extend` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use core::iter::Extend;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "a85fbc45ae2043751e0a739e7590bec05f514376c956839fc5b65181106af8e2"`
[INFO] running `"docker" "rm" "-f" "a85fbc45ae2043751e0a739e7590bec05f514376c956839fc5b65181106af8e2"`
[INFO] [stdout] a85fbc45ae2043751e0a739e7590bec05f514376c956839fc5b65181106af8e2
[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/reg/gensym/0.1.0:/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] ca29579740d904f595d3b6e778b1b33501bf9d425e9c657d873ce3fe3ff61cd3
[INFO] running `"docker" "start" "-a" "ca29579740d904f595d3b6e778b1b33501bf9d425e9c657d873ce3fe3ff61cd3"`
[INFO] [stderr]    Compiling gensym v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use quote::quote;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Extend` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use core::iter::Extend;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "ca29579740d904f595d3b6e778b1b33501bf9d425e9c657d873ce3fe3ff61cd3"`
[INFO] running `"docker" "rm" "-f" "ca29579740d904f595d3b6e778b1b33501bf9d425e9c657d873ce3fe3ff61cd3"`
[INFO] [stdout] ca29579740d904f595d3b6e778b1b33501bf9d425e9c657d873ce3fe3ff61cd3
[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/reg/gensym/0.1.0:/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] 64ecaa9b6cc35ae509e5a1d1580d2132effa8b6adc6d252a057c01738ad78a55
[INFO] running `"docker" "start" "-a" "64ecaa9b6cc35ae509e5a1d1580d2132effa8b6adc6d252a057c01738ad78a55"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gensym-102aa228cd006fb0
[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 gensym
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "64ecaa9b6cc35ae509e5a1d1580d2132effa8b6adc6d252a057c01738ad78a55"`
[INFO] running `"docker" "rm" "-f" "64ecaa9b6cc35ae509e5a1d1580d2132effa8b6adc6d252a057c01738ad78a55"`
[INFO] [stdout] 64ecaa9b6cc35ae509e5a1d1580d2132effa8b6adc6d252a057c01738ad78a55