[INFO] updating cached repository cesare/cargo-toml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cesare/cargo-toml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/cargo-toml" "work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/cargo-toml" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/cargo-toml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/cargo-toml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 539d8e5f5c490cbf72199916473c05f04ee16250
[INFO] sha for GitHub repo cesare/cargo-toml: 539d8e5f5c490cbf72199916473c05f04ee16250
[INFO] validating manifest of cesare/cargo-toml 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 cesare/cargo-toml 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 cesare/cargo-toml
[INFO] finished frobbing cesare/cargo-toml
[INFO] frobbed toml for cesare/cargo-toml written to work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml/Cargo.toml
[INFO] started frobbing cesare/cargo-toml
[INFO] finished frobbing cesare/cargo-toml
[INFO] frobbed toml for cesare/cargo-toml written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/cargo-toml/Cargo.toml
[INFO] crate cesare/cargo-toml already has a lockfile, it will not be regenerated
[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 cesare/cargo-toml 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml:/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] 67838b7497a1d212ea65a6b200ceb793c7b59f51c02013fae1a77fdfd7cb3ee1
[INFO] running `"docker" "start" "-a" "67838b7497a1d212ea65a6b200ceb793c7b59f51c02013fae1a77fdfd7cb3ee1"`
[INFO] [stderr]    Compiling toml v0.3.1
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]    Compiling cargo-toml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/list-cargo-bin.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         f.read_to_string(&mut s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `"docker" "inspect" "67838b7497a1d212ea65a6b200ceb793c7b59f51c02013fae1a77fdfd7cb3ee1"`
[INFO] running `"docker" "rm" "-f" "67838b7497a1d212ea65a6b200ceb793c7b59f51c02013fae1a77fdfd7cb3ee1"`
[INFO] [stdout] 67838b7497a1d212ea65a6b200ceb793c7b59f51c02013fae1a77fdfd7cb3ee1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml:/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] b2fcd1ad3f3e4b2ae2240326a964beb4edffd28b9b142865c46c3b8d6a5d3aac
[INFO] running `"docker" "start" "-a" "b2fcd1ad3f3e4b2ae2240326a964beb4edffd28b9b142865c46c3b8d6a5d3aac"`
[INFO] [stderr]    Compiling cargo-toml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/list-cargo-bin.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         f.read_to_string(&mut s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "b2fcd1ad3f3e4b2ae2240326a964beb4edffd28b9b142865c46c3b8d6a5d3aac"`
[INFO] running `"docker" "rm" "-f" "b2fcd1ad3f3e4b2ae2240326a964beb4edffd28b9b142865c46c3b8d6a5d3aac"`
[INFO] [stdout] b2fcd1ad3f3e4b2ae2240326a964beb4edffd28b9b142865c46c3b8d6a5d3aac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/cargo-toml:/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] c642f13e0fb948d29e99a7c215d9761844d048fd15729b6eb64c6c8bdc59e8f2
[INFO] running `"docker" "start" "-a" "c642f13e0fb948d29e99a7c215d9761844d048fd15729b6eb64c6c8bdc59e8f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/list_cargo_bin-b656e5721c1ba4aa
[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" "c642f13e0fb948d29e99a7c215d9761844d048fd15729b6eb64c6c8bdc59e8f2"`
[INFO] running `"docker" "rm" "-f" "c642f13e0fb948d29e99a7c215d9761844d048fd15729b6eb64c6c8bdc59e8f2"`
[INFO] [stdout] c642f13e0fb948d29e99a7c215d9761844d048fd15729b6eb64c6c8bdc59e8f2