[INFO] crate params 0.8.0 is already in cache
[INFO] extracting crate params 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/params/0.8.0
[INFO] extracting crate params 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/params/0.8.0
[INFO] validating manifest of params-0.8.0 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 params-0.8.0 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 params-0.8.0
[INFO] finished frobbing params-0.8.0
[INFO] frobbed toml for params-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/params/0.8.0/Cargo.toml
[INFO] started frobbing params-0.8.0
[INFO] finished frobbing params-0.8.0
[INFO] frobbed toml for params-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/params/0.8.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing params-0.8.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/params/0.8.0:/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] 977c1a7d8a10d82047d25fa6b6ecc67cb5d7c39b6dc923af8485f6623b2a7f5f
[INFO] running `"docker" "start" "-a" "977c1a7d8a10d82047d25fa6b6ecc67cb5d7c39b6dc923af8485f6623b2a7f5f"`
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling params v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.01s
[INFO] running `"docker" "inspect" "977c1a7d8a10d82047d25fa6b6ecc67cb5d7c39b6dc923af8485f6623b2a7f5f"`
[INFO] running `"docker" "rm" "-f" "977c1a7d8a10d82047d25fa6b6ecc67cb5d7c39b6dc923af8485f6623b2a7f5f"`
[INFO] [stdout] 977c1a7d8a10d82047d25fa6b6ecc67cb5d7c39b6dc923af8485f6623b2a7f5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/params/0.8.0:/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] 9e03dffb9dfd8fc8ef0d7fc15b7d6ac2f0cd6ebb1bd501f0cff9c538bec046ca
[INFO] running `"docker" "start" "-a" "9e03dffb9dfd8fc8ef0d7fc15b7d6ac2f0cd6ebb1bd501f0cff9c538bec046ca"`
[INFO] [stderr]    Compiling params v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `"docker" "inspect" "9e03dffb9dfd8fc8ef0d7fc15b7d6ac2f0cd6ebb1bd501f0cff9c538bec046ca"`
[INFO] running `"docker" "rm" "-f" "9e03dffb9dfd8fc8ef0d7fc15b7d6ac2f0cd6ebb1bd501f0cff9c538bec046ca"`
[INFO] [stdout] 9e03dffb9dfd8fc8ef0d7fc15b7d6ac2f0cd6ebb1bd501f0cff9c538bec046ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/params/0.8.0:/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] 84fc8e42e68cd95a84ec2c0d777856870ef61823692e23a67ee5f12f6847f17f
[INFO] running `"docker" "start" "-a" "84fc8e42e68cd95a84ec2c0d777856870ef61823692e23a67ee5f12f6847f17f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/params-21ef42b9a1ff3770
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test conversion::cast_out_of_bounds ... ok
[INFO] [stdout] test test_eat_base ... ok
[INFO] [stdout] test test_eat_index ... ok
[INFO] [stdout] test conversion::cast_within_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests params
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Map::assign (line 214) ... ok
[INFO] [stdout] test src/lib.rs - Map::assign (line 229) ... ok
[INFO] [stdout] test src/lib.rs - Map::find (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Map::assign (line 221) ... ok
[INFO] [stdout] test src/lib.rs - Map::to_strict_map (line 292) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84fc8e42e68cd95a84ec2c0d777856870ef61823692e23a67ee5f12f6847f17f"`
[INFO] running `"docker" "rm" "-f" "84fc8e42e68cd95a84ec2c0d777856870ef61823692e23a67ee5f12f6847f17f"`
[INFO] [stdout] 84fc8e42e68cd95a84ec2c0d777856870ef61823692e23a67ee5f12f6847f17f