[INFO] fetching crate semvercli 0.0.1...
[INFO] extracting crate semvercli 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/semvercli/0.0.1
[INFO] extracting crate semvercli 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/semvercli/0.0.1
[INFO] validating manifest of semvercli-0.0.1 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 semvercli-0.0.1 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 semvercli-0.0.1
[INFO] finished frobbing semvercli-0.0.1
[INFO] frobbed toml for semvercli-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/semvercli/0.0.1/Cargo.toml
[INFO] started frobbing semvercli-0.0.1
[INFO] finished frobbing semvercli-0.0.1
[INFO] frobbed toml for semvercli-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/semvercli/0.0.1/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] 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 semvercli-0.0.1 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-0/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/semvercli/0.0.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3d14e320aab1d82c4ece52442bdfc8ea7d6f4865dda1b46b9579eb874bba2763
[INFO] running `"docker" "start" "-a" "3d14e320aab1d82c4ece52442bdfc8ea7d6f4865dda1b46b9579eb874bba2763"`
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling toml_edit v0.1.4
[INFO] [stderr]    Compiling semvercli v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:253:47
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn execute(matches: &ArgMatches, stdout: &mut Write) {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.12s
[INFO] running `"docker" "inspect" "3d14e320aab1d82c4ece52442bdfc8ea7d6f4865dda1b46b9579eb874bba2763"`
[INFO] running `"docker" "rm" "-f" "3d14e320aab1d82c4ece52442bdfc8ea7d6f4865dda1b46b9579eb874bba2763"`
[INFO] [stdout] 3d14e320aab1d82c4ece52442bdfc8ea7d6f4865dda1b46b9579eb874bba2763
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/semvercli/0.0.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 99e93ede816bf6b1e497e7bceddd4602028abe083339c13411e1993efa997b05
[INFO] running `"docker" "start" "-a" "99e93ede816bf6b1e497e7bceddd4602028abe083339c13411e1993efa997b05"`
[INFO] [stderr]    Compiling semvercli v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:253:47
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn execute(matches: &ArgMatches, stdout: &mut Write) {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `"docker" "inspect" "99e93ede816bf6b1e497e7bceddd4602028abe083339c13411e1993efa997b05"`
[INFO] running `"docker" "rm" "-f" "99e93ede816bf6b1e497e7bceddd4602028abe083339c13411e1993efa997b05"`
[INFO] [stdout] 99e93ede816bf6b1e497e7bceddd4602028abe083339c13411e1993efa997b05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/semvercli/0.0.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cb5f370949d7066dd7986cb9a164b33b4a61013e1779a2bcbcc88f39fdd35b61
[INFO] running `"docker" "start" "-a" "cb5f370949d7066dd7986cb9a164b33b4a61013e1779a2bcbcc88f39fdd35b61"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/semvercli-689d488dfb34a592
[INFO] [stdout] test test::test_read ... ok
[INFO] [stdout] test test::test_bump ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cb5f370949d7066dd7986cb9a164b33b4a61013e1779a2bcbcc88f39fdd35b61"`
[INFO] running `"docker" "rm" "-f" "cb5f370949d7066dd7986cb9a164b33b4a61013e1779a2bcbcc88f39fdd35b61"`
[INFO] [stdout] cb5f370949d7066dd7986cb9a164b33b4a61013e1779a2bcbcc88f39fdd35b61