[INFO] updating cached repository LeopoldArkham/basic_echo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LeopoldArkham/basic_echo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LeopoldArkham/basic_echo" "work/ex/beta-1.38-1/sources/1.37.0/gh/LeopoldArkham/basic_echo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LeopoldArkham/basic_echo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LeopoldArkham/basic_echo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bbb31dd7534b811f316f8b17695835a56e71398
[INFO] sha for GitHub repo LeopoldArkham/basic_echo: 7bbb31dd7534b811f316f8b17695835a56e71398
[INFO] validating manifest of LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo
[INFO] finished frobbing LeopoldArkham/basic_echo
[INFO] frobbed toml for LeopoldArkham/basic_echo written to work/ex/beta-1.38-1/sources/1.37.0/gh/LeopoldArkham/basic_echo/Cargo.toml
[INFO] started frobbing LeopoldArkham/basic_echo
[INFO] finished frobbing LeopoldArkham/basic_echo
[INFO] frobbed toml for LeopoldArkham/basic_echo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo/Cargo.toml
[INFO] crate LeopoldArkham/basic_echo 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 LeopoldArkham/basic_echo 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo:/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] 3887aa878ce87f869386061cde642ffb40c25be858871aa1d90c9d2d9c4abdec
[INFO] running `"docker" "start" "-a" "3887aa878ce87f869386061cde642ffb40c25be858871aa1d90c9d2d9c4abdec"`
[INFO] [stderr]    Compiling basic_echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn run() -> Result<(), 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "3887aa878ce87f869386061cde642ffb40c25be858871aa1d90c9d2d9c4abdec"`
[INFO] running `"docker" "rm" "-f" "3887aa878ce87f869386061cde642ffb40c25be858871aa1d90c9d2d9c4abdec"`
[INFO] [stdout] 3887aa878ce87f869386061cde642ffb40c25be858871aa1d90c9d2d9c4abdec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo:/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] a38d737fd773428ccda697f24dcd1cb01583f76fc4ef94fbd615e47ac124a821
[INFO] running `"docker" "start" "-a" "a38d737fd773428ccda697f24dcd1cb01583f76fc4ef94fbd615e47ac124a821"`
[INFO] [stderr]    Compiling basic_echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn run() -> Result<(), 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "a38d737fd773428ccda697f24dcd1cb01583f76fc4ef94fbd615e47ac124a821"`
[INFO] running `"docker" "rm" "-f" "a38d737fd773428ccda697f24dcd1cb01583f76fc4ef94fbd615e47ac124a821"`
[INFO] [stdout] a38d737fd773428ccda697f24dcd1cb01583f76fc4ef94fbd615e47ac124a821
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LeopoldArkham/basic_echo:/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] 71ffa67b7694eb8167125bb9e0e206dd41b6ff5a0a22a1f9bc487e6499e65020
[INFO] running `"docker" "start" "-a" "71ffa67b7694eb8167125bb9e0e206dd41b6ff5a0a22a1f9bc487e6499e65020"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/basic_echo-aeaf517b520e19f5
[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" "71ffa67b7694eb8167125bb9e0e206dd41b6ff5a0a22a1f9bc487e6499e65020"`
[INFO] running `"docker" "rm" "-f" "71ffa67b7694eb8167125bb9e0e206dd41b6ff5a0a22a1f9bc487e6499e65020"`
[INFO] [stdout] 71ffa67b7694eb8167125bb9e0e206dd41b6ff5a0a22a1f9bc487e6499e65020