[INFO] crate ctrs 1.0.2 is already in cache
[INFO] extracting crate ctrs 1.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ctrs/1.0.2
[INFO] extracting crate ctrs 1.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ctrs/1.0.2
[INFO] validating manifest of ctrs-1.0.2 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 ctrs-1.0.2 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 ctrs-1.0.2
[INFO] finished frobbing ctrs-1.0.2
[INFO] frobbed toml for ctrs-1.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ctrs/1.0.2/Cargo.toml
[INFO] started frobbing ctrs-1.0.2
[INFO] finished frobbing ctrs-1.0.2
[INFO] frobbed toml for ctrs-1.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ctrs/1.0.2/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ctrs-1.0.2 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ctrs/1.0.2:/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] c0801a6d74878d40e7d97881d0dad4e2a0ab84e8d8b85bbaa720557a0aab5b23
[INFO] running `"docker" "start" "-a" "c0801a6d74878d40e7d97881d0dad4e2a0ab84e8d8b85bbaa720557a0aab5b23"`
[INFO] [stderr]    Compiling ctrs v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:70
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn compose<F: 'static, G: 'static, Fv, Gv, V>(f: F, g: G) -> Box<Fn(Fv) -> V>
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fv) -> V`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `"docker" "inspect" "c0801a6d74878d40e7d97881d0dad4e2a0ab84e8d8b85bbaa720557a0aab5b23"`
[INFO] running `"docker" "rm" "-f" "c0801a6d74878d40e7d97881d0dad4e2a0ab84e8d8b85bbaa720557a0aab5b23"`
[INFO] [stdout] c0801a6d74878d40e7d97881d0dad4e2a0ab84e8d8b85bbaa720557a0aab5b23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ctrs/1.0.2:/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] 5e589877ce1b8c059ea5ec73dfa824a0b6a201ef94a36ed011901801b8d08071
[INFO] running `"docker" "start" "-a" "5e589877ce1b8c059ea5ec73dfa824a0b6a201ef94a36ed011901801b8d08071"`
[INFO] [stderr]    Compiling ctrs v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:70
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn compose<F: 'static, G: 'static, Fv, Gv, V>(f: F, g: G) -> Box<Fn(Fv) -> V>
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fv) -> V`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "5e589877ce1b8c059ea5ec73dfa824a0b6a201ef94a36ed011901801b8d08071"`
[INFO] running `"docker" "rm" "-f" "5e589877ce1b8c059ea5ec73dfa824a0b6a201ef94a36ed011901801b8d08071"`
[INFO] [stdout] 5e589877ce1b8c059ea5ec73dfa824a0b6a201ef94a36ed011901801b8d08071
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ctrs/1.0.2:/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] 4acedfe44371100c04460626d98d6967329f24f009e83c4ef222ab54f3226392
[INFO] running `"docker" "start" "-a" "4acedfe44371100c04460626d98d6967329f24f009e83c4ef222ab54f3226392"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ctrs-e9a13baf9d202ff4
[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] [stderr]    Doc-tests ctrs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - compose (line 108) ... ok
[INFO] [stdout] test src/lib.rs - compose (line 129) ... ok
[INFO] [stdout] test src/lib.rs - id (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4acedfe44371100c04460626d98d6967329f24f009e83c4ef222ab54f3226392"`
[INFO] running `"docker" "rm" "-f" "4acedfe44371100c04460626d98d6967329f24f009e83c4ef222ab54f3226392"`
[INFO] [stdout] 4acedfe44371100c04460626d98d6967329f24f009e83c4ef222ab54f3226392