[INFO] crate json_comments 0.2.0 is already in cache
[INFO] extracting crate json_comments 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/json_comments/0.2.0
[INFO] extracting crate json_comments 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_comments/0.2.0
[INFO] validating manifest of json_comments-0.2.0 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 json_comments-0.2.0 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 json_comments-0.2.0
[INFO] finished frobbing json_comments-0.2.0
[INFO] frobbed toml for json_comments-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/json_comments/0.2.0/Cargo.toml
[INFO] started frobbing json_comments-0.2.0
[INFO] finished frobbing json_comments-0.2.0
[INFO] frobbed toml for json_comments-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_comments/0.2.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing json_comments-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json_comments/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8c1a21afa4f4552962b05f06a38007eb0a9fd8b48004a1470d2dc279e59f896b
[INFO] running `"docker" "start" "-a" "8c1a21afa4f4552962b05f06a38007eb0a9fd8b48004a1470d2dc279e59f896b"`
[INFO] [stderr]    Compiling json_comments v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "8c1a21afa4f4552962b05f06a38007eb0a9fd8b48004a1470d2dc279e59f896b"`
[INFO] running `"docker" "rm" "-f" "8c1a21afa4f4552962b05f06a38007eb0a9fd8b48004a1470d2dc279e59f896b"`
[INFO] [stdout] 8c1a21afa4f4552962b05f06a38007eb0a9fd8b48004a1470d2dc279e59f896b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json_comments/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9977d108821b942cbe88685db93c1618cc00914d1b32e8e8c27c433144b8ed0
[INFO] running `"docker" "start" "-a" "b9977d108821b942cbe88685db93c1618cc00914d1b32e8e8c27c433144b8ed0"`
[INFO] [stderr]    Compiling json_comments v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "b9977d108821b942cbe88685db93c1618cc00914d1b32e8e8c27c433144b8ed0"`
[INFO] running `"docker" "rm" "-f" "b9977d108821b942cbe88685db93c1618cc00914d1b32e8e8c27c433144b8ed0"`
[INFO] [stdout] b9977d108821b942cbe88685db93c1618cc00914d1b32e8e8c27c433144b8ed0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/json_comments/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 51823eb8e583940697a29cf7cfa08839475e200875230ca0ff495064519d1411
[INFO] running `"docker" "start" "-a" "51823eb8e583940697a29cf7cfa08839475e200875230ca0ff495064519d1411"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_comments-f5443ed420cbd06e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::incomplete_comment2 ... ok
[INFO] [stdout] test tests::block_comments ... ok
[INFO] [stdout] test tests::line_comments ... ok
[INFO] [stdout] test tests::incomplete_comment ... ok
[INFO] [stdout] test tests::incomplete_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_comments
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - StripComments (line 68) ... ok
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51823eb8e583940697a29cf7cfa08839475e200875230ca0ff495064519d1411"`
[INFO] running `"docker" "rm" "-f" "51823eb8e583940697a29cf7cfa08839475e200875230ca0ff495064519d1411"`
[INFO] [stdout] 51823eb8e583940697a29cf7cfa08839475e200875230ca0ff495064519d1411