[INFO] crate s-structured-log 0.2.0 is already in cache
[INFO] extracting crate s-structured-log 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/s-structured-log/0.2.0
[INFO] extracting crate s-structured-log 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/s-structured-log/0.2.0
[INFO] validating manifest of s-structured-log-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 s-structured-log-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 s-structured-log-0.2.0
[INFO] finished frobbing s-structured-log-0.2.0
[INFO] frobbed toml for s-structured-log-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/s-structured-log/0.2.0/Cargo.toml
[INFO] started frobbing s-structured-log-0.2.0
[INFO] finished frobbing s-structured-log-0.2.0
[INFO] frobbed toml for s-structured-log-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/s-structured-log/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] [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] testing s-structured-log-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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/s-structured-log/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] 02423345371de6bea1c5d042bcca5e4ec2be37445b7c94cf7fb758103b2d5372
[INFO] running `"docker" "start" "-a" "02423345371de6bea1c5d042bcca5e4ec2be37445b7c94cf7fb758103b2d5372"`
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling s-structured-log v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `"docker" "inspect" "02423345371de6bea1c5d042bcca5e4ec2be37445b7c94cf7fb758103b2d5372"`
[INFO] running `"docker" "rm" "-f" "02423345371de6bea1c5d042bcca5e4ec2be37445b7c94cf7fb758103b2d5372"`
[INFO] [stdout] 02423345371de6bea1c5d042bcca5e4ec2be37445b7c94cf7fb758103b2d5372
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/s-structured-log/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] d15d2285d3ae418bbbc6b79b133b7ec7a982b8be377ef0be97b921f729600325
[INFO] running `"docker" "start" "-a" "d15d2285d3ae418bbbc6b79b133b7ec7a982b8be377ef0be97b921f729600325"`
[INFO] [stderr]    Compiling s-structured-log v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "d15d2285d3ae418bbbc6b79b133b7ec7a982b8be377ef0be97b921f729600325"`
[INFO] running `"docker" "rm" "-f" "d15d2285d3ae418bbbc6b79b133b7ec7a982b8be377ef0be97b921f729600325"`
[INFO] [stdout] d15d2285d3ae418bbbc6b79b133b7ec7a982b8be377ef0be97b921f729600325
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/s-structured-log/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] d3a5d534eb5c9361f00fa0e17fb4bf525d958d2ba0d10ddf700cb1bc8ac1b871
[INFO] running `"docker" "start" "-a" "d3a5d534eb5c9361f00fa0e17fb4bf525d958d2ba0d10ddf700cb1bc8ac1b871"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/s_structured_log-b822dde37da4b684
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::only_escape_chars ... ok
[INFO] [stdout] test tests::random_escape_chars ... ok
[INFO] [stdout] test tests::simple_logger ... ok
[INFO] [stdout] test tests::no_escape_chars ... ok
[INFO] [stdout] test tests::json_format ... 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 s-structured-log
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - escape_str (line 359) ... ok
[INFO] [stdout] test src/lib.rs - q (line 237) ... ok
[INFO] [stdout] test src/lib.rs - q (line 230) ... ok
[INFO] [stdout] test src/lib.rs - JsonLogger::init (line 412) ... ok
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] test src/lib.rs -  (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d3a5d534eb5c9361f00fa0e17fb4bf525d958d2ba0d10ddf700cb1bc8ac1b871"`
[INFO] running `"docker" "rm" "-f" "d3a5d534eb5c9361f00fa0e17fb4bf525d958d2ba0d10ddf700cb1bc8ac1b871"`
[INFO] [stdout] d3a5d534eb5c9361f00fa0e17fb4bf525d958d2ba0d10ddf700cb1bc8ac1b871