[INFO] updating cached repository sindreij/touring-tarpit-workshop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sindreij/touring-tarpit-workshop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/touring-tarpit-workshop" "work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/touring-tarpit-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/touring-tarpit-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/touring-tarpit-workshop" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/touring-tarpit-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/touring-tarpit-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1bac037fff7ce59f9d295d7e6ce582df4c9a295f
[INFO] sha for GitHub repo sindreij/touring-tarpit-workshop: 1bac037fff7ce59f9d295d7e6ce582df4c9a295f
[INFO] validating manifest of sindreij/touring-tarpit-workshop 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 sindreij/touring-tarpit-workshop 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 sindreij/touring-tarpit-workshop
[INFO] finished frobbing sindreij/touring-tarpit-workshop
[INFO] frobbed toml for sindreij/touring-tarpit-workshop written to work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/touring-tarpit-workshop/Cargo.toml
[INFO] started frobbing sindreij/touring-tarpit-workshop
[INFO] finished frobbing sindreij/touring-tarpit-workshop
[INFO] frobbed toml for sindreij/touring-tarpit-workshop written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/touring-tarpit-workshop/Cargo.toml
[INFO] crate sindreij/touring-tarpit-workshop 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sindreij/touring-tarpit-workshop 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-1/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/sindreij/touring-tarpit-workshop:/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] 04e60cf2f04b84cc389b0ea748c08cb5d6878a322a02059a16db909b5bb0b42b
[INFO] running `"docker" "start" "-a" "04e60cf2f04b84cc389b0ea748c08cb5d6878a322a02059a16db909b5bb0b42b"`
[INFO] [stderr]    Compiling mystuff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:60
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn from_file(programfile: &str) -> Result<Machine, Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn disassemble(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:80:41
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "04e60cf2f04b84cc389b0ea748c08cb5d6878a322a02059a16db909b5bb0b42b"`
[INFO] running `"docker" "rm" "-f" "04e60cf2f04b84cc389b0ea748c08cb5d6878a322a02059a16db909b5bb0b42b"`
[INFO] [stdout] 04e60cf2f04b84cc389b0ea748c08cb5d6878a322a02059a16db909b5bb0b42b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/sindreij/touring-tarpit-workshop:/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] 1c4f5e3ffb7cd37afb3703c1c71cbaa7f7c679fc1d76d1acf2ed946afebdb35b
[INFO] running `"docker" "start" "-a" "1c4f5e3ffb7cd37afb3703c1c71cbaa7f7c679fc1d76d1acf2ed946afebdb35b"`
[INFO] [stderr]    Compiling mystuff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:60
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn from_file(programfile: &str) -> Result<Machine, Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn disassemble(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:80:41
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "1c4f5e3ffb7cd37afb3703c1c71cbaa7f7c679fc1d76d1acf2ed946afebdb35b"`
[INFO] running `"docker" "rm" "-f" "1c4f5e3ffb7cd37afb3703c1c71cbaa7f7c679fc1d76d1acf2ed946afebdb35b"`
[INFO] [stdout] 1c4f5e3ffb7cd37afb3703c1c71cbaa7f7c679fc1d76d1acf2ed946afebdb35b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/sindreij/touring-tarpit-workshop:/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] 8365815541f0979f11643dfe081c0fa0173391ab067cd19a0ef37604859121d6
[INFO] running `"docker" "start" "-a" "8365815541f0979f11643dfe081c0fa0173391ab067cd19a0ef37604859121d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mystuff-68149ef86dc1be12
[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" "8365815541f0979f11643dfe081c0fa0173391ab067cd19a0ef37604859121d6"`
[INFO] running `"docker" "rm" "-f" "8365815541f0979f11643dfe081c0fa0173391ab067cd19a0ef37604859121d6"`
[INFO] [stdout] 8365815541f0979f11643dfe081c0fa0173391ab067cd19a0ef37604859121d6