[INFO] updating cached repository rust-fuzz/targets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-fuzz/targets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-fuzz/targets" "work/ex/beta-1.37-6/sources/1.36.0/gh/rust-fuzz/targets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rust-fuzz/targets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-fuzz/targets" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-fuzz/targets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-fuzz/targets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4728489aaa43a5dbc294bf1372a29c911e827c1
[INFO] sha for GitHub repo rust-fuzz/targets: c4728489aaa43a5dbc294bf1372a29c911e827c1
[INFO] validating manifest of rust-fuzz/targets 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 rust-fuzz/targets 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 rust-fuzz/targets
[INFO] removed workspace from rust-fuzz/targets
[INFO] finished frobbing rust-fuzz/targets
[INFO] frobbed toml for rust-fuzz/targets written to work/ex/beta-1.37-6/sources/1.36.0/gh/rust-fuzz/targets/Cargo.toml
[INFO] started frobbing rust-fuzz/targets
[INFO] removed workspace from rust-fuzz/targets
[INFO] finished frobbing rust-fuzz/targets
[INFO] frobbed toml for rust-fuzz/targets written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-fuzz/targets/Cargo.toml
[INFO] crate rust-fuzz/targets 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/rust-fuzz/targets/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[INFO] the lockfile is outdated, regenerating it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 rust-fuzz/targets 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/gh/rust-fuzz/targets:/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] a47a1ee5a6b1cde0658e6fab783dcea3eb9a8f784864672a6b097994dc5a01ce
[INFO] running `"docker" "start" "-a" "a47a1ee5a6b1cde0658e6fab783dcea3eb9a8f784864672a6b097994dc5a01ce"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling fuzz-targets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> cli.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
[INFO] running `"docker" "inspect" "a47a1ee5a6b1cde0658e6fab783dcea3eb9a8f784864672a6b097994dc5a01ce"`
[INFO] running `"docker" "rm" "-f" "a47a1ee5a6b1cde0658e6fab783dcea3eb9a8f784864672a6b097994dc5a01ce"`
[INFO] [stdout] a47a1ee5a6b1cde0658e6fab783dcea3eb9a8f784864672a6b097994dc5a01ce
[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/gh/rust-fuzz/targets:/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] d0a8d3c7dc5ba54e018ba5035d36e167ac0e4c4e2a49e7f1aa800f9d5a0e0545
[INFO] running `"docker" "start" "-a" "d0a8d3c7dc5ba54e018ba5035d36e167ac0e4c4e2a49e7f1aa800f9d5a0e0545"`
[INFO] [stderr]    Compiling fuzz-targets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> cli.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "d0a8d3c7dc5ba54e018ba5035d36e167ac0e4c4e2a49e7f1aa800f9d5a0e0545"`
[INFO] running `"docker" "rm" "-f" "d0a8d3c7dc5ba54e018ba5035d36e167ac0e4c4e2a49e7f1aa800f9d5a0e0545"`
[INFO] [stdout] d0a8d3c7dc5ba54e018ba5035d36e167ac0e4c4e2a49e7f1aa800f9d5a0e0545
[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/gh/rust-fuzz/targets:/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] fd8c65f38ffca85965432b14afae75488183052c6fc6b331d106ce0d7ef4a984
[INFO] running `"docker" "start" "-a" "fd8c65f38ffca85965432b14afae75488183052c6fc6b331d106ce0d7ef4a984"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cli-27569db843469ec0
[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" "fd8c65f38ffca85965432b14afae75488183052c6fc6b331d106ce0d7ef4a984"`
[INFO] running `"docker" "rm" "-f" "fd8c65f38ffca85965432b14afae75488183052c6fc6b331d106ce0d7ef4a984"`
[INFO] [stdout] fd8c65f38ffca85965432b14afae75488183052c6fc6b331d106ce0d7ef4a984