[INFO] cloning repository PlasmaPower/random-walk
[INFO] running `"git" "clone" "--bare" "git://github.com/PlasmaPower/random-walk.git" "work/cache/sources/gh/PlasmaPower/random-walk"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/PlasmaPower/random-walk'...
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/random-walk" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PlasmaPower/random-walk"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PlasmaPower/random-walk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/random-walk" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c3be3cb2aee6f580185c50dbbc60c3aabe38750
[INFO] sha for GitHub repo PlasmaPower/random-walk: 4c3be3cb2aee6f580185c50dbbc60c3aabe38750
[INFO] validating manifest of PlasmaPower/random-walk on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PlasmaPower/random-walk on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PlasmaPower/random-walk
[INFO] finished frobbing PlasmaPower/random-walk
[INFO] frobbed toml for PlasmaPower/random-walk written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PlasmaPower/random-walk/Cargo.toml
[INFO] started frobbing PlasmaPower/random-walk
[INFO] finished frobbing PlasmaPower/random-walk
[INFO] frobbed toml for PlasmaPower/random-walk written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk/Cargo.toml
[INFO] crate PlasmaPower/random-walk already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing PlasmaPower/random-walk against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] eaf1856c284de47020cd805ea407c2121b5c0d827231ea05e4eb04b8b9f4c9ee
[INFO] running `"docker" "start" "-a" "eaf1856c284de47020cd805ea407c2121b5c0d827231ea05e4eb04b8b9f4c9ee"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling random-walk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn random_walk(mut rng: &mut Rng, starting_room: &Room) -> u8 {
[INFO] [stderr]    |                              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.44s
[INFO] running `"docker" "inspect" "eaf1856c284de47020cd805ea407c2121b5c0d827231ea05e4eb04b8b9f4c9ee"`
[INFO] running `"docker" "rm" "-f" "eaf1856c284de47020cd805ea407c2121b5c0d827231ea05e4eb04b8b9f4c9ee"`
[INFO] [stdout] eaf1856c284de47020cd805ea407c2121b5c0d827231ea05e4eb04b8b9f4c9ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d4fc8fdc332723f58a1094a99308073393ceacdbbdd24c9822c6d8bfe5b90cb5
[INFO] running `"docker" "start" "-a" "d4fc8fdc332723f58a1094a99308073393ceacdbbdd24c9822c6d8bfe5b90cb5"`
[INFO] [stderr]    Compiling random-walk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn random_walk(mut rng: &mut Rng, starting_room: &Room) -> u8 {
[INFO] [stderr]    |                              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "d4fc8fdc332723f58a1094a99308073393ceacdbbdd24c9822c6d8bfe5b90cb5"`
[INFO] running `"docker" "rm" "-f" "d4fc8fdc332723f58a1094a99308073393ceacdbbdd24c9822c6d8bfe5b90cb5"`
[INFO] [stdout] d4fc8fdc332723f58a1094a99308073393ceacdbbdd24c9822c6d8bfe5b90cb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PlasmaPower/random-walk:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 51b84e15c285eb4ab5f9c3ee14fe00269273df93e0b4c7efac4b49363362d3be
[INFO] running `"docker" "start" "-a" "51b84e15c285eb4ab5f9c3ee14fe00269273df93e0b4c7efac4b49363362d3be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_walk-4fbe7fec7c7a1b4a
[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" "51b84e15c285eb4ab5f9c3ee14fe00269273df93e0b4c7efac4b49363362d3be"`
[INFO] running `"docker" "rm" "-f" "51b84e15c285eb4ab5f9c3ee14fe00269273df93e0b4c7efac4b49363362d3be"`
[INFO] [stdout] 51b84e15c285eb4ab5f9c3ee14fe00269273df93e0b4c7efac4b49363362d3be