[INFO] updating cached repository ssaavedra/rust-lenses
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ssaavedra/rust-lenses
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ssaavedra/rust-lenses" "work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ssaavedra/rust-lenses" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ssaavedra/rust-lenses"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ssaavedra/rust-lenses'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1df6d3317f276faef54b6c14548e8cc9464cd236
[INFO] sha for GitHub repo ssaavedra/rust-lenses: 1df6d3317f276faef54b6c14548e8cc9464cd236
[INFO] validating manifest of ssaavedra/rust-lenses 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 ssaavedra/rust-lenses 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 ssaavedra/rust-lenses
[INFO] finished frobbing ssaavedra/rust-lenses
[INFO] frobbed toml for ssaavedra/rust-lenses written to work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses/Cargo.toml
[INFO] started frobbing ssaavedra/rust-lenses
[INFO] finished frobbing ssaavedra/rust-lenses
[INFO] frobbed toml for ssaavedra/rust-lenses written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ssaavedra/rust-lenses/Cargo.toml
[INFO] crate ssaavedra/rust-lenses already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 ssaavedra/rust-lenses against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 841633d90d34ce237cb04926acd3b5c4f744420bbc72e5b0bc239f5326c0f29a
[INFO] running `"docker" "start" "-a" "841633d90d34ce237cb04926acd3b5c4f744420bbc72e5b0bc239f5326c0f29a"`
[INFO] [stderr]    Compiling lenses v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "841633d90d34ce237cb04926acd3b5c4f744420bbc72e5b0bc239f5326c0f29a"`
[INFO] running `"docker" "rm" "-f" "841633d90d34ce237cb04926acd3b5c4f744420bbc72e5b0bc239f5326c0f29a"`
[INFO] [stdout] 841633d90d34ce237cb04926acd3b5c4f744420bbc72e5b0bc239f5326c0f29a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aba2f49236ff30e75a8cadd93d1b6091f89f6a47a46846fe30483647f554fc29
[INFO] running `"docker" "start" "-a" "aba2f49236ff30e75a8cadd93d1b6091f89f6a47a46846fe30483647f554fc29"`
[INFO] [stderr]    Compiling lenses v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "aba2f49236ff30e75a8cadd93d1b6091f89f6a47a46846fe30483647f554fc29"`
[INFO] running `"docker" "rm" "-f" "aba2f49236ff30e75a8cadd93d1b6091f89f6a47a46846fe30483647f554fc29"`
[INFO] [stdout] aba2f49236ff30e75a8cadd93d1b6091f89f6a47a46846fe30483647f554fc29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ssaavedra/rust-lenses:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] bec04cc9151dff8ddcd9e5e1b5384f9f78a7ba91cfe8771681f243c1ab614ace
[INFO] running `"docker" "start" "-a" "bec04cc9151dff8ddcd9e5e1b5384f9f78a7ba91cfe8771681f243c1ab614ace"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lenses-2841c6ac5ff1c31c
[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/lens-f44b5fc6a6787e0e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... 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/mutable-80f3f43139c924a6
[INFO] [stderr]    Doc-tests lenses
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test1 ... ok
[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 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" "bec04cc9151dff8ddcd9e5e1b5384f9f78a7ba91cfe8771681f243c1ab614ace"`
[INFO] running `"docker" "rm" "-f" "bec04cc9151dff8ddcd9e5e1b5384f9f78a7ba91cfe8771681f243c1ab614ace"`
[INFO] [stdout] bec04cc9151dff8ddcd9e5e1b5384f9f78a7ba91cfe8771681f243c1ab614ace