[INFO] crate slog-extlog-derive 5.2.1 is already in cache
[INFO] extracting crate slog-extlog-derive 5.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/slog-extlog-derive/5.2.1
[INFO] extracting crate slog-extlog-derive 5.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-extlog-derive/5.2.1
[INFO] validating manifest of slog-extlog-derive-5.2.1 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 slog-extlog-derive-5.2.1 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 slog-extlog-derive-5.2.1
[INFO] finished frobbing slog-extlog-derive-5.2.1
[INFO] frobbed toml for slog-extlog-derive-5.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/slog-extlog-derive/5.2.1/Cargo.toml
[INFO] started frobbing slog-extlog-derive-5.2.1
[INFO] finished frobbing slog-extlog-derive-5.2.1
[INFO] frobbed toml for slog-extlog-derive-5.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-extlog-derive/5.2.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slog-extlog-derive-5.2.1 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/slog-extlog-derive/5.2.1:/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] f1b9dab1f1ab53fd232273ee24231874b6c9f9d637149a5e65c1f8dcd1c0a1dd
[INFO] running `"docker" "start" "-a" "f1b9dab1f1ab53fd232273ee24231874b6c9f9d637149a5e65c1f8dcd1c0a1dd"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling iobuffer v0.1.0
[INFO] [stderr]    Compiling erased-serde v0.3.9
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling slog-extlog v5.2.1
[INFO] [stderr]    Compiling slog-extlog-derive v5.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `"docker" "inspect" "f1b9dab1f1ab53fd232273ee24231874b6c9f9d637149a5e65c1f8dcd1c0a1dd"`
[INFO] running `"docker" "rm" "-f" "f1b9dab1f1ab53fd232273ee24231874b6c9f9d637149a5e65c1f8dcd1c0a1dd"`
[INFO] [stdout] f1b9dab1f1ab53fd232273ee24231874b6c9f9d637149a5e65c1f8dcd1c0a1dd
[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/slog-extlog-derive/5.2.1:/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] b2a932df85dfa1a0bd58e844f8868800cec23d01fc08640906b9b757b857d440
[INFO] running `"docker" "start" "-a" "b2a932df85dfa1a0bd58e844f8868800cec23d01fc08640906b9b757b857d440"`
[INFO] [stderr]    Compiling slog-extlog-derive v5.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `"docker" "inspect" "b2a932df85dfa1a0bd58e844f8868800cec23d01fc08640906b9b757b857d440"`
[INFO] running `"docker" "rm" "-f" "b2a932df85dfa1a0bd58e844f8868800cec23d01fc08640906b9b757b857d440"`
[INFO] [stdout] b2a932df85dfa1a0bd58e844f8868800cec23d01fc08640906b9b757b857d440
[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/slog-extlog-derive/5.2.1:/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] 4323fca0be399f7c663cbde89680f374dd2596b704eca67d5cd0ccd8757895cb
[INFO] running `"docker" "start" "-a" "4323fca0be399f7c663cbde89680f374dd2596b704eca67d5cd0ccd8757895cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_extlog_derive-cc7b866396ae9210
[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]      Running /opt/crater/target/debug/deps/loggable-459bceae8cc47457
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_basic_log ... ok
[INFO] [stdout] test test_generics ... ok
[INFO] [stdout] test test_fixed_field ... ok
[INFO] [stdout] test test_derived_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-extlog-derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 77) ... ok
[INFO] [stdout] test src/lib.rs -  (line 103) ... 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" "4323fca0be399f7c663cbde89680f374dd2596b704eca67d5cd0ccd8757895cb"`
[INFO] running `"docker" "rm" "-f" "4323fca0be399f7c663cbde89680f374dd2596b704eca67d5cd0ccd8757895cb"`
[INFO] [stdout] 4323fca0be399f7c663cbde89680f374dd2596b704eca67d5cd0ccd8757895cb