[INFO] crate pegasus 0.3.0 is already in cache
[INFO] extracting crate pegasus 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/pegasus/0.3.0
[INFO] extracting crate pegasus 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pegasus/0.3.0
[INFO] validating manifest of pegasus-0.3.0 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 pegasus-0.3.0 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 pegasus-0.3.0
[INFO] finished frobbing pegasus-0.3.0
[INFO] frobbed toml for pegasus-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pegasus/0.3.0/Cargo.toml
[INFO] started frobbing pegasus-0.3.0
[INFO] finished frobbing pegasus-0.3.0
[INFO] frobbed toml for pegasus-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pegasus/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pegasus-0.3.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pegasus/0.3.0:/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] c173be838cf4fc43e503d286cbcbdc241fedb318d39708ce5390f65ba1147e56
[INFO] running `"docker" "start" "-a" "c173be838cf4fc43e503d286cbcbdc241fedb318d39708ce5390f65ba1147e56"`
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling gfx_core v0.6.1
[INFO] [stderr]    Compiling specs v0.7.1
[INFO] [stderr]    Compiling gfx v0.14.1
[INFO] [stderr]    Compiling pegasus v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.17s
[INFO] running `"docker" "inspect" "c173be838cf4fc43e503d286cbcbdc241fedb318d39708ce5390f65ba1147e56"`
[INFO] running `"docker" "rm" "-f" "c173be838cf4fc43e503d286cbcbdc241fedb318d39708ce5390f65ba1147e56"`
[INFO] [stdout] c173be838cf4fc43e503d286cbcbdc241fedb318d39708ce5390f65ba1147e56
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pegasus/0.3.0:/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] da9d7147e7c8c62074c4ca60fbbb0015b55d9148e9e60dfff59b0ff4b8890a70
[INFO] running `"docker" "start" "-a" "da9d7147e7c8c62074c4ca60fbbb0015b55d9148e9e60dfff59b0ff4b8890a70"`
[INFO] [stderr]    Compiling gfx_device_gl v0.13.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.14.0
[INFO] [stderr]    Compiling pegasus v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/sample.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut w = plan.mut_world();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `"docker" "inspect" "da9d7147e7c8c62074c4ca60fbbb0015b55d9148e9e60dfff59b0ff4b8890a70"`
[INFO] running `"docker" "rm" "-f" "da9d7147e7c8c62074c4ca60fbbb0015b55d9148e9e60dfff59b0ff4b8890a70"`
[INFO] [stdout] da9d7147e7c8c62074c4ca60fbbb0015b55d9148e9e60dfff59b0ff4b8890a70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pegasus/0.3.0:/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] 43ba8d835e859a07a76a9cd06117af639998f84f2bf0f50c1802b2e3ea29ffb3
[INFO] running `"docker" "start" "-a" "43ba8d835e859a07a76a9cd06117af639998f84f2bf0f50c1802b2e3ea29ffb3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pegasus-603410e2f62f6e50
[INFO] [stderr]    Doc-tests pegasus
[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] [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" "43ba8d835e859a07a76a9cd06117af639998f84f2bf0f50c1802b2e3ea29ffb3"`
[INFO] running `"docker" "rm" "-f" "43ba8d835e859a07a76a9cd06117af639998f84f2bf0f50c1802b2e3ea29ffb3"`
[INFO] [stdout] 43ba8d835e859a07a76a9cd06117af639998f84f2bf0f50c1802b2e3ea29ffb3