[INFO] crate stree_cmd 0.2.1 is already in cache
[INFO] extracting crate stree_cmd 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/stree_cmd/0.2.1
[INFO] extracting crate stree_cmd 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stree_cmd/0.2.1
[INFO] validating manifest of stree_cmd-0.2.1 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 stree_cmd-0.2.1 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 stree_cmd-0.2.1
[INFO] removed path dependency suffix_tree from stree_cmd-0.2.1
[INFO] finished frobbing stree_cmd-0.2.1
[INFO] frobbed toml for stree_cmd-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stree_cmd/0.2.1/Cargo.toml
[INFO] started frobbing stree_cmd-0.2.1
[INFO] removed path dependency suffix_tree from stree_cmd-0.2.1
[INFO] finished frobbing stree_cmd-0.2.1
[INFO] frobbed toml for stree_cmd-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stree_cmd/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 stree_cmd-0.2.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stree_cmd/0.2.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e690cbd9615a4ab2a07e0ec659caf22b31ba8c5d30f482e1a53b04b8bad62563
[INFO] running `"docker" "start" "-a" "e690cbd9615a4ab2a07e0ec659caf22b31ba8c5d30f482e1a53b04b8bad62563"`
[INFO] [stderr]    Compiling suffix v0.4.1
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling suffix_tree v0.2.2
[INFO] [stderr]    Compiling stree_cmd v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | macro_rules! cerr { ($tt:tt) => (return Err(Error::Other(format!($tt)))); }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / macro_rules! lg {
[INFO] [stderr] 16 | |     ($($arg:tt)*) => ({ writeln!(&mut io::stderr(), $($arg)*).unwrap(); });
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `"docker" "inspect" "e690cbd9615a4ab2a07e0ec659caf22b31ba8c5d30f482e1a53b04b8bad62563"`
[INFO] running `"docker" "rm" "-f" "e690cbd9615a4ab2a07e0ec659caf22b31ba8c5d30f482e1a53b04b8bad62563"`
[INFO] [stdout] e690cbd9615a4ab2a07e0ec659caf22b31ba8c5d30f482e1a53b04b8bad62563
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stree_cmd/0.2.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc8e376a20b3c0998f184c090718eb0f27edc746db4368195030f68922f85496
[INFO] running `"docker" "start" "-a" "fc8e376a20b3c0998f184c090718eb0f27edc746db4368195030f68922f85496"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "fc8e376a20b3c0998f184c090718eb0f27edc746db4368195030f68922f85496"`
[INFO] running `"docker" "rm" "-f" "fc8e376a20b3c0998f184c090718eb0f27edc746db4368195030f68922f85496"`
[INFO] [stdout] fc8e376a20b3c0998f184c090718eb0f27edc746db4368195030f68922f85496
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stree_cmd/0.2.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e5ed3e9382122fadcad69a35c42e41286d7d036d52524699514219f0be06ecac
[INFO] running `"docker" "start" "-a" "e5ed3e9382122fadcad69a35c42e41286d7d036d52524699514219f0be06ecac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `"docker" "inspect" "e5ed3e9382122fadcad69a35c42e41286d7d036d52524699514219f0be06ecac"`
[INFO] running `"docker" "rm" "-f" "e5ed3e9382122fadcad69a35c42e41286d7d036d52524699514219f0be06ecac"`
[INFO] [stdout] e5ed3e9382122fadcad69a35c42e41286d7d036d52524699514219f0be06ecac