[INFO] crate learn_rust 0.1.3 is already in cache
[INFO] extracting crate learn_rust 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/learn_rust/0.1.3
[INFO] extracting crate learn_rust 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/learn_rust/0.1.3
[INFO] validating manifest of learn_rust-0.1.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of learn_rust-0.1.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing learn_rust-0.1.3
[INFO] finished frobbing learn_rust-0.1.3
[INFO] frobbed toml for learn_rust-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/learn_rust/0.1.3/Cargo.toml
[INFO] started frobbing learn_rust-0.1.3
[INFO] finished frobbing learn_rust-0.1.3
[INFO] frobbed toml for learn_rust-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/learn_rust/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing learn_rust-0.1.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/learn_rust/0.1.3:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 65c2c97248d9cb53738009573f70440f1b816694695b0bad28f1cae28aface38
[INFO] running `"docker" "start" "-a" "65c2c97248d9cb53738009573f70440f1b816694695b0bad28f1cae28aface38"`
[INFO] [stderr]    Compiling learn_rust v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "65c2c97248d9cb53738009573f70440f1b816694695b0bad28f1cae28aface38"`
[INFO] running `"docker" "rm" "-f" "65c2c97248d9cb53738009573f70440f1b816694695b0bad28f1cae28aface38"`
[INFO] [stdout] 65c2c97248d9cb53738009573f70440f1b816694695b0bad28f1cae28aface38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/learn_rust/0.1.3:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3220d1a59e23ef53748d4fbad0e991226478f2415b9113d822500585fde6d0f0
[INFO] running `"docker" "start" "-a" "3220d1a59e23ef53748d4fbad0e991226478f2415b9113d822500585fde6d0f0"`
[INFO] [stderr]    Compiling learn_rust v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "3220d1a59e23ef53748d4fbad0e991226478f2415b9113d822500585fde6d0f0"`
[INFO] running `"docker" "rm" "-f" "3220d1a59e23ef53748d4fbad0e991226478f2415b9113d822500585fde6d0f0"`
[INFO] [stdout] 3220d1a59e23ef53748d4fbad0e991226478f2415b9113d822500585fde6d0f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/learn_rust/0.1.3:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a049e304eaeaef1cdaf3d0cdffa0ce065fccbe70efbf8eb1c15faee225790713
[INFO] running `"docker" "start" "-a" "a049e304eaeaef1cdaf3d0cdffa0ce065fccbe70efbf8eb1c15faee225790713"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learn_rust-0c8b2fd8a8fa2e06
[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] running `"docker" "inspect" "a049e304eaeaef1cdaf3d0cdffa0ce065fccbe70efbf8eb1c15faee225790713"`
[INFO] running `"docker" "rm" "-f" "a049e304eaeaef1cdaf3d0cdffa0ce065fccbe70efbf8eb1c15faee225790713"`
[INFO] [stdout] a049e304eaeaef1cdaf3d0cdffa0ce065fccbe70efbf8eb1c15faee225790713