[INFO] crate advancedresearch-asi_core0 0.1.0 is already in cache
[INFO] extracting crate advancedresearch-asi_core0 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/advancedresearch-asi_core0/0.1.0
[INFO] extracting crate advancedresearch-asi_core0 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/advancedresearch-asi_core0/0.1.0
[INFO] validating manifest of advancedresearch-asi_core0-0.1.0 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 advancedresearch-asi_core0-0.1.0 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 advancedresearch-asi_core0-0.1.0
[INFO] finished frobbing advancedresearch-asi_core0-0.1.0
[INFO] frobbed toml for advancedresearch-asi_core0-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/advancedresearch-asi_core0/0.1.0/Cargo.toml
[INFO] started frobbing advancedresearch-asi_core0-0.1.0
[INFO] finished frobbing advancedresearch-asi_core0-0.1.0
[INFO] frobbed toml for advancedresearch-asi_core0-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/advancedresearch-asi_core0/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing advancedresearch-asi_core0-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/advancedresearch-asi_core0/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] edd36cb18e4923e377054d4dfce7174b74814a64c95ef7b6d2573f2063a656ff
[INFO] running `"docker" "start" "-a" "edd36cb18e4923e377054d4dfce7174b74814a64c95ef7b6d2573f2063a656ff"`
[INFO] [stderr]    Compiling advancedresearch-asi_core0 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:55
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:319:56
[INFO] [stderr]     |
[INFO] [stderr] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "edd36cb18e4923e377054d4dfce7174b74814a64c95ef7b6d2573f2063a656ff"`
[INFO] running `"docker" "rm" "-f" "edd36cb18e4923e377054d4dfce7174b74814a64c95ef7b6d2573f2063a656ff"`
[INFO] [stdout] edd36cb18e4923e377054d4dfce7174b74814a64c95ef7b6d2573f2063a656ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/advancedresearch-asi_core0/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2372f180b7d95c160f8f26c0f7f6b53a0368b6734b426f5969da888c58807d9c
[INFO] running `"docker" "start" "-a" "2372f180b7d95c160f8f26c0f7f6b53a0368b6734b426f5969da888c58807d9c"`
[INFO] [stderr]    Compiling advancedresearch-asi_core0 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/bob_sleeps.rs:33:56
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn try_receive(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {None}
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/bob_sleeps.rs:61:56
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:55
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:319:56
[INFO] [stderr]     |
[INFO] [stderr] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "2372f180b7d95c160f8f26c0f7f6b53a0368b6734b426f5969da888c58807d9c"`
[INFO] running `"docker" "rm" "-f" "2372f180b7d95c160f8f26c0f7f6b53a0368b6734b426f5969da888c58807d9c"`
[INFO] [stdout] 2372f180b7d95c160f8f26c0f7f6b53a0368b6734b426f5969da888c58807d9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/advancedresearch-asi_core0/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 83f76eaa91095c3b5d6c494a1d73eb610e1e2a6dc98bfdf865362e2e95e050a4
[INFO] running `"docker" "start" "-a" "83f76eaa91095c3b5d6c494a1d73eb610e1e2a6dc98bfdf865362e2e95e050a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/asi_core0-9ad9329c4e5e4cb9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests asi_core0
[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" "83f76eaa91095c3b5d6c494a1d73eb610e1e2a6dc98bfdf865362e2e95e050a4"`
[INFO] running `"docker" "rm" "-f" "83f76eaa91095c3b5d6c494a1d73eb610e1e2a6dc98bfdf865362e2e95e050a4"`
[INFO] [stdout] 83f76eaa91095c3b5d6c494a1d73eb610e1e2a6dc98bfdf865362e2e95e050a4