[INFO] crate log-once 0.3.0 is already in cache
[INFO] extracting crate log-once 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/log-once/0.3.0
[INFO] extracting crate log-once 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log-once/0.3.0
[INFO] validating manifest of log-once-0.3.0 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 log-once-0.3.0 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 log-once-0.3.0
[INFO] finished frobbing log-once-0.3.0
[INFO] frobbed toml for log-once-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/log-once/0.3.0/Cargo.toml
[INFO] started frobbing log-once-0.3.0
[INFO] finished frobbing log-once-0.3.0
[INFO] frobbed toml for log-once-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log-once/0.3.0/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] testing log-once-0.3.0 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/log-once/0.3.0:/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] d6ede8d230682c8b43170b8cd27fcb56dc694ff0785bff3b9d8fa5517a4dcb2f
[INFO] running `"docker" "start" "-a" "d6ede8d230682c8b43170b8cd27fcb56dc694ff0785bff3b9d8fa5517a4dcb2f"`
[INFO] [stderr]    Compiling log-once v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "d6ede8d230682c8b43170b8cd27fcb56dc694ff0785bff3b9d8fa5517a4dcb2f"`
[INFO] running `"docker" "rm" "-f" "d6ede8d230682c8b43170b8cd27fcb56dc694ff0785bff3b9d8fa5517a4dcb2f"`
[INFO] [stdout] d6ede8d230682c8b43170b8cd27fcb56dc694ff0785bff3b9d8fa5517a4dcb2f
[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/log-once/0.3.0:/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] a084112867d4c2eb5515a262e07983acdf0911d204b53fa3700b0d1930868573
[INFO] running `"docker" "start" "-a" "a084112867d4c2eb5515a262e07983acdf0911d204b53fa3700b0d1930868573"`
[INFO] [stderr]    Compiling log-once v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `"docker" "inspect" "a084112867d4c2eb5515a262e07983acdf0911d204b53fa3700b0d1930868573"`
[INFO] running `"docker" "rm" "-f" "a084112867d4c2eb5515a262e07983acdf0911d204b53fa3700b0d1930868573"`
[INFO] [stdout] a084112867d4c2eb5515a262e07983acdf0911d204b53fa3700b0d1930868573
[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/log-once/0.3.0:/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] dfa8113cd9fb684433460345a7350a76d475f82886451d5c05bdff71025aa626
[INFO] running `"docker" "start" "-a" "dfa8113cd9fb684433460345a7350a76d475f82886451d5c05bdff71025aa626"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log_once-ba8f0711818cb853
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::called_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/debug-ceb5b902f38eda0f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/error-820e43bda42842ed
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/info-d4443a467d2a0f40
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test info ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trace-d4cfcb3a93b03c35
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test trace ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/warn-7b7832d5be3f2f34
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test warn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log-once
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dfa8113cd9fb684433460345a7350a76d475f82886451d5c05bdff71025aa626"`
[INFO] running `"docker" "rm" "-f" "dfa8113cd9fb684433460345a7350a76d475f82886451d5c05bdff71025aa626"`
[INFO] [stdout] dfa8113cd9fb684433460345a7350a76d475f82886451d5c05bdff71025aa626