[INFO] crate artifact_serde 0.3.1 is already in cache
[INFO] extracting crate artifact_serde 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/artifact_serde/0.3.1
[INFO] extracting crate artifact_serde 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/artifact_serde/0.3.1
[INFO] validating manifest of artifact_serde-0.3.1 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 artifact_serde-0.3.1 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 artifact_serde-0.3.1
[INFO] finished frobbing artifact_serde-0.3.1
[INFO] frobbed toml for artifact_serde-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/artifact_serde/0.3.1/Cargo.toml
[INFO] started frobbing artifact_serde-0.3.1
[INFO] finished frobbing artifact_serde-0.3.1
[INFO] frobbed toml for artifact_serde-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/artifact_serde/0.3.1/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing artifact_serde-0.3.1 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/artifact_serde/0.3.1:/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] aa90bfb972b93ab82dc2d69649ab3188c50caefd515d53bc4f37bde0fe6cbc2f
[INFO] running `"docker" "start" "-a" "aa90bfb972b93ab82dc2d69649ab3188c50caefd515d53bc4f37bde0fe6cbc2f"`
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling ammonia v1.2.0
[INFO] [stderr]    Compiling artifact_serde v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `"docker" "inspect" "aa90bfb972b93ab82dc2d69649ab3188c50caefd515d53bc4f37bde0fe6cbc2f"`
[INFO] running `"docker" "rm" "-f" "aa90bfb972b93ab82dc2d69649ab3188c50caefd515d53bc4f37bde0fe6cbc2f"`
[INFO] [stdout] aa90bfb972b93ab82dc2d69649ab3188c50caefd515d53bc4f37bde0fe6cbc2f
[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/artifact_serde/0.3.1:/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] b833efbc28ef8d4a8959f69cd5a6563c616172eed058d5a6ab2d8271c51956aa
[INFO] running `"docker" "start" "-a" "b833efbc28ef8d4a8959f69cd5a6563c616172eed058d5a6ab2d8271c51956aa"`
[INFO] [stderr]    Compiling artifact_serde v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "b833efbc28ef8d4a8959f69cd5a6563c616172eed058d5a6ab2d8271c51956aa"`
[INFO] running `"docker" "rm" "-f" "b833efbc28ef8d4a8959f69cd5a6563c616172eed058d5a6ab2d8271c51956aa"`
[INFO] [stdout] b833efbc28ef8d4a8959f69cd5a6563c616172eed058d5a6ab2d8271c51956aa
[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/artifact_serde/0.3.1:/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] 91f85b7273f1fc2b31cb0f97973ef64ec7fa077ebb6470174af788604eb89065
[INFO] running `"docker" "start" "-a" "91f85b7273f1fc2b31cb0f97973ef64ec7fa077ebb6470174af788604eb89065"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/artifact_serde-577de8edf23543ac
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::decode_to_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests artifact_serde
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/de.rs - de::decode (line 8) ... ok
[INFO] [stdout] test src/ser.rs - ser::encode (line 12) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 22) ... ok
[INFO] [stdout] test src/lib.rs - encode (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91f85b7273f1fc2b31cb0f97973ef64ec7fa077ebb6470174af788604eb89065"`
[INFO] running `"docker" "rm" "-f" "91f85b7273f1fc2b31cb0f97973ef64ec7fa077ebb6470174af788604eb89065"`
[INFO] [stdout] 91f85b7273f1fc2b31cb0f97973ef64ec7fa077ebb6470174af788604eb89065