[INFO] crate silver 1.0.7 is already in cache
[INFO] extracting crate silver 1.0.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/silver/1.0.7
[INFO] extracting crate silver 1.0.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/silver/1.0.7
[INFO] validating manifest of silver-1.0.7 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 silver-1.0.7 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 silver-1.0.7
[INFO] finished frobbing silver-1.0.7
[INFO] frobbed toml for silver-1.0.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/silver/1.0.7/Cargo.toml
[INFO] started frobbing silver-1.0.7
[INFO] finished frobbing silver-1.0.7
[INFO] frobbed toml for silver-1.0.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/silver/1.0.7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing silver-1.0.7 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-4/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/silver/1.0.7:/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] 8d7fde857cf489367cce9248a13afad75542b305edb24b405bd61228d696a1eb
[INFO] running `"docker" "start" "-a" "8d7fde857cf489367cce9248a13afad75542b305edb24b405bd61228d696a1eb"`
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling silver v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `"docker" "inspect" "8d7fde857cf489367cce9248a13afad75542b305edb24b405bd61228d696a1eb"`
[INFO] running `"docker" "rm" "-f" "8d7fde857cf489367cce9248a13afad75542b305edb24b405bd61228d696a1eb"`
[INFO] [stdout] 8d7fde857cf489367cce9248a13afad75542b305edb24b405bd61228d696a1eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/silver/1.0.7:/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] 9e4af9ba22f9a390d26b1522b3340d69eb08a9ff7af7ad10e9220752ed98de03
[INFO] running `"docker" "start" "-a" "9e4af9ba22f9a390d26b1522b3340d69eb08a9ff7af7ad10e9220752ed98de03"`
[INFO] [stderr]    Compiling silver v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "9e4af9ba22f9a390d26b1522b3340d69eb08a9ff7af7ad10e9220752ed98de03"`
[INFO] running `"docker" "rm" "-f" "9e4af9ba22f9a390d26b1522b3340d69eb08a9ff7af7ad10e9220752ed98de03"`
[INFO] [stdout] 9e4af9ba22f9a390d26b1522b3340d69eb08a9ff7af7ad10e9220752ed98de03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/silver/1.0.7:/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] ede057df15036cdaa0bbae9943c7e566ee2929454bbf04a0fa55f98bcc8cb1cb
[INFO] running `"docker" "start" "-a" "ede057df15036cdaa0bbae9943c7e566ee2929454bbf04a0fa55f98bcc8cb1cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/silver-83788196d046bb7a
[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" "ede057df15036cdaa0bbae9943c7e566ee2929454bbf04a0fa55f98bcc8cb1cb"`
[INFO] running `"docker" "rm" "-f" "ede057df15036cdaa0bbae9943c7e566ee2929454bbf04a0fa55f98bcc8cb1cb"`
[INFO] [stdout] ede057df15036cdaa0bbae9943c7e566ee2929454bbf04a0fa55f98bcc8cb1cb