[INFO] crate tokio-serde-json 0.2.0 is already in cache
[INFO] extracting crate tokio-serde-json 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-serde-json/0.2.0
[INFO] extracting crate tokio-serde-json 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-serde-json/0.2.0
[INFO] validating manifest of tokio-serde-json-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 tokio-serde-json-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 tokio-serde-json-0.2.0
[INFO] finished frobbing tokio-serde-json-0.2.0
[INFO] frobbed toml for tokio-serde-json-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-serde-json/0.2.0/Cargo.toml
[INFO] started frobbing tokio-serde-json-0.2.0
[INFO] finished frobbing tokio-serde-json-0.2.0
[INFO] frobbed toml for tokio-serde-json-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-serde-json/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 tokio-serde-json-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/tokio-serde-json/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] 9d3023699217ab8861aeb304a5e829349801c71874d667eeb5a0b8efd394a436
[INFO] running `"docker" "start" "-a" "9d3023699217ab8861aeb304a5e829349801c71874d667eeb5a0b8efd394a436"`
[INFO] [stderr]    Compiling tokio-serde v0.3.0
[INFO] [stderr]    Compiling tokio-serde-json v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "9d3023699217ab8861aeb304a5e829349801c71874d667eeb5a0b8efd394a436"`
[INFO] running `"docker" "rm" "-f" "9d3023699217ab8861aeb304a5e829349801c71874d667eeb5a0b8efd394a436"`
[INFO] [stdout] 9d3023699217ab8861aeb304a5e829349801c71874d667eeb5a0b8efd394a436
[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/tokio-serde-json/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] 674a48da4250d8e975bcffa7d4b17a098f34ef18bc8f37d576d0868ffc19d3ff
[INFO] running `"docker" "start" "-a" "674a48da4250d8e975bcffa7d4b17a098f34ef18bc8f37d576d0868ffc19d3ff"`
[INFO] [stderr]    Compiling tokio-serde-json v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "674a48da4250d8e975bcffa7d4b17a098f34ef18bc8f37d576d0868ffc19d3ff"`
[INFO] running `"docker" "rm" "-f" "674a48da4250d8e975bcffa7d4b17a098f34ef18bc8f37d576d0868ffc19d3ff"`
[INFO] [stdout] 674a48da4250d8e975bcffa7d4b17a098f34ef18bc8f37d576d0868ffc19d3ff
[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/tokio-serde-json/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] 87721a0057b61244c341f3de15aaeb6943b8e2868284f9c1520bce479233422e
[INFO] running `"docker" "start" "-a" "87721a0057b61244c341f3de15aaeb6943b8e2868284f9c1520bce479233422e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_serde_json-dd8f35e16bd99de0
[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 tokio-serde-json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "87721a0057b61244c341f3de15aaeb6943b8e2868284f9c1520bce479233422e"`
[INFO] running `"docker" "rm" "-f" "87721a0057b61244c341f3de15aaeb6943b8e2868284f9c1520bce479233422e"`
[INFO] [stdout] 87721a0057b61244c341f3de15aaeb6943b8e2868284f9c1520bce479233422e