[INFO] crate semvercli 0.0.1 is already in cache
[INFO] extracting crate semvercli 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/semvercli/0.0.1
[INFO] extracting crate semvercli 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/semvercli/0.0.1
[INFO] validating manifest of semvercli-0.0.1 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 semvercli-0.0.1 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 semvercli-0.0.1
[INFO] finished frobbing semvercli-0.0.1
[INFO] frobbed toml for semvercli-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/semvercli/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[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 semvercli-0.0.1 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-7/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 34b45b27e25e80092a00420fcd37d7b3c500213d588471b7a3c4ebe1610a1ff7
[INFO] running `"docker" "start" "-a" "34b45b27e25e80092a00420fcd37d7b3c500213d588471b7a3c4ebe1610a1ff7"`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ascii v0.9.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling toml_edit v0.1.5
[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 55.62s
[INFO] running `"docker" "inspect" "34b45b27e25e80092a00420fcd37d7b3c500213d588471b7a3c4ebe1610a1ff7"`
[INFO] running `"docker" "rm" "-f" "34b45b27e25e80092a00420fcd37d7b3c500213d588471b7a3c4ebe1610a1ff7"`
[INFO] [stdout] 34b45b27e25e80092a00420fcd37d7b3c500213d588471b7a3c4ebe1610a1ff7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44837d86772485a22f46318808881736342ec90ecd79558ca6c2aa79b5d882f1
[INFO] running `"docker" "start" "-a" "44837d86772485a22f46318808881736342ec90ecd79558ca6c2aa79b5d882f1"`
[INFO] [stderr]    Compiling proptest v0.9.4
[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 22.04s
[INFO] running `"docker" "inspect" "44837d86772485a22f46318808881736342ec90ecd79558ca6c2aa79b5d882f1"`
[INFO] running `"docker" "rm" "-f" "44837d86772485a22f46318808881736342ec90ecd79558ca6c2aa79b5d882f1"`
[INFO] [stdout] 44837d86772485a22f46318808881736342ec90ecd79558ca6c2aa79b5d882f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0709cd9e0887ce19c810dd7c0dd8450144c7b2efe175f9a39414dc8eea4a9c8f
[INFO] running `"docker" "start" "-a" "0709cd9e0887ce19c810dd7c0dd8450144c7b2efe175f9a39414dc8eea4a9c8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/semvercli-14835f8256634cb1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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" "0709cd9e0887ce19c810dd7c0dd8450144c7b2efe175f9a39414dc8eea4a9c8f"`
[INFO] running `"docker" "rm" "-f" "0709cd9e0887ce19c810dd7c0dd8450144c7b2efe175f9a39414dc8eea4a9c8f"`
[INFO] [stdout] 0709cd9e0887ce19c810dd7c0dd8450144c7b2efe175f9a39414dc8eea4a9c8f