[INFO] updating cached repository letheed/rgol
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/letheed/rgol
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/letheed/rgol" "work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/letheed/rgol" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/letheed/rgol"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/letheed/rgol'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15e2f1c6eba90127e6f74fbfe52c939199d93794
[INFO] sha for GitHub repo letheed/rgol: 15e2f1c6eba90127e6f74fbfe52c939199d93794
[INFO] validating manifest of letheed/rgol 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 letheed/rgol 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 letheed/rgol
[INFO] finished frobbing letheed/rgol
[INFO] frobbed toml for letheed/rgol written to work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol/Cargo.toml
[INFO] started frobbing letheed/rgol
[INFO] finished frobbing letheed/rgol
[INFO] frobbed toml for letheed/rgol written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/letheed/rgol/Cargo.toml
[INFO] crate letheed/rgol 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 letheed/rgol 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol:/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] 097b2ec32c2c306b60c3076261a05bd69f75b1e99b54044877f5270e25aa1ee6
[INFO] running `"docker" "start" "-a" "097b2ec32c2c306b60c3076261a05bd69f75b1e99b54044877f5270e25aa1ee6"`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling signal v0.5.0
[INFO] [stderr]    Compiling rgol v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world/mod.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn load(filename: &str) -> Result<Self, 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 24.96s
[INFO] running `"docker" "inspect" "097b2ec32c2c306b60c3076261a05bd69f75b1e99b54044877f5270e25aa1ee6"`
[INFO] running `"docker" "rm" "-f" "097b2ec32c2c306b60c3076261a05bd69f75b1e99b54044877f5270e25aa1ee6"`
[INFO] [stdout] 097b2ec32c2c306b60c3076261a05bd69f75b1e99b54044877f5270e25aa1ee6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol:/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] eae2d9fe6abf85b3383369fda1c80f802b40a5f992864cc1ffa526c4512bb1a5
[INFO] running `"docker" "start" "-a" "eae2d9fe6abf85b3383369fda1c80f802b40a5f992864cc1ffa526c4512bb1a5"`
[INFO] [stderr]    Compiling rgol v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world/mod.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn load(filename: &str) -> Result<Self, 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 1.01s
[INFO] running `"docker" "inspect" "eae2d9fe6abf85b3383369fda1c80f802b40a5f992864cc1ffa526c4512bb1a5"`
[INFO] running `"docker" "rm" "-f" "eae2d9fe6abf85b3383369fda1c80f802b40a5f992864cc1ffa526c4512bb1a5"`
[INFO] [stdout] eae2d9fe6abf85b3383369fda1c80f802b40a5f992864cc1ffa526c4512bb1a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/letheed/rgol:/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] e7518f2fcc357ebe30c754e3c4c24b1dd5d39b39afa3eeb7975bcca121c7601d
[INFO] running `"docker" "start" "-a" "e7518f2fcc357ebe30c754e3c4c24b1dd5d39b39afa3eeb7975bcca121c7601d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgol-f424f0276f437857
[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" "e7518f2fcc357ebe30c754e3c4c24b1dd5d39b39afa3eeb7975bcca121c7601d"`
[INFO] running `"docker" "rm" "-f" "e7518f2fcc357ebe30c754e3c4c24b1dd5d39b39afa3eeb7975bcca121c7601d"`
[INFO] [stdout] e7518f2fcc357ebe30c754e3c4c24b1dd5d39b39afa3eeb7975bcca121c7601d