[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-1.38-1/sources/1.37.0/gh/sindreij/touring-tarpit-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sindreij/touring-tarpit-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/touring-tarpit-workshop" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sindreij/touring-tarpit-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sindreij/touring-tarpit-workshop 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 sindreij/touring-tarpit-workshop
[INFO] finished frobbing sindreij/touring-tarpit-workshop
[INFO] frobbed toml for sindreij/touring-tarpit-workshop written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 sindreij/touring-tarpit-workshop 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5f6f814b8dffa2750e8b4660df659cdb910b99450c7d8fe24a491136aa6dfb42
[INFO] running `"docker" "start" "-a" "5f6f814b8dffa2750e8b4660df659cdb910b99450c7d8fe24a491136aa6dfb42"`
[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 0.97s
[INFO] running `"docker" "inspect" "5f6f814b8dffa2750e8b4660df659cdb910b99450c7d8fe24a491136aa6dfb42"`
[INFO] running `"docker" "rm" "-f" "5f6f814b8dffa2750e8b4660df659cdb910b99450c7d8fe24a491136aa6dfb42"`
[INFO] [stdout] 5f6f814b8dffa2750e8b4660df659cdb910b99450c7d8fe24a491136aa6dfb42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 724393901f7bd957d437040275658c6599ee9595dd3d1df9881a4602c807ae95
[INFO] running `"docker" "start" "-a" "724393901f7bd957d437040275658c6599ee9595dd3d1df9881a4602c807ae95"`
[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" "724393901f7bd957d437040275658c6599ee9595dd3d1df9881a4602c807ae95"`
[INFO] running `"docker" "rm" "-f" "724393901f7bd957d437040275658c6599ee9595dd3d1df9881a4602c807ae95"`
[INFO] [stdout] 724393901f7bd957d437040275658c6599ee9595dd3d1df9881a4602c807ae95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2e31264d0be7545c78ef112b355fb78e5365df37281bb0910709210dcd7698b6
[INFO] running `"docker" "start" "-a" "2e31264d0be7545c78ef112b355fb78e5365df37281bb0910709210dcd7698b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mystuff-dcac4eabf325f7c6
[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" "2e31264d0be7545c78ef112b355fb78e5365df37281bb0910709210dcd7698b6"`
[INFO] running `"docker" "rm" "-f" "2e31264d0be7545c78ef112b355fb78e5365df37281bb0910709210dcd7698b6"`
[INFO] [stdout] 2e31264d0be7545c78ef112b355fb78e5365df37281bb0910709210dcd7698b6