[INFO] crate dorset 0.1.0 is already in cache
[INFO] extracting crate dorset 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dorset/0.1.0
[INFO] extracting crate dorset 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dorset/0.1.0
[INFO] validating manifest of dorset-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 dorset-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 dorset-0.1.0
[INFO] finished frobbing dorset-0.1.0
[INFO] frobbed toml for dorset-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dorset/0.1.0/Cargo.toml
[INFO] started frobbing dorset-0.1.0
[INFO] finished frobbing dorset-0.1.0
[INFO] frobbed toml for dorset-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dorset/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] [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] [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] testing dorset-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dorset/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 22f5186231e8d7eb0a14ca133ff1ef67c7e131cdbc00ae7a2bac1c199ce45e9b
[INFO] running `"docker" "start" "-a" "22f5186231e8d7eb0a14ca133ff1ef67c7e131cdbc00ae7a2bac1c199ce45e9b"`
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling float-cmp v0.3.0
[INFO] [stderr]    Compiling dorset v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/vari.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     chain_op: Box<Fn(&Vari)>,
[INFO] [stderr]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vari)`
[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/core/vari.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |         op: Box<Fn(&Vari)>,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vari)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "22f5186231e8d7eb0a14ca133ff1ef67c7e131cdbc00ae7a2bac1c199ce45e9b"`
[INFO] running `"docker" "rm" "-f" "22f5186231e8d7eb0a14ca133ff1ef67c7e131cdbc00ae7a2bac1c199ce45e9b"`
[INFO] [stdout] 22f5186231e8d7eb0a14ca133ff1ef67c7e131cdbc00ae7a2bac1c199ce45e9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dorset/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0d59420886fb4450111496f21ba02249085949c0d91a81baca659dbb8b38a31
[INFO] running `"docker" "start" "-a" "a0d59420886fb4450111496f21ba02249085949c0d91a81baca659dbb8b38a31"`
[INFO] [stderr]    Compiling dorset v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/vari.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     chain_op: Box<Fn(&Vari)>,
[INFO] [stderr]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vari)`
[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/core/vari.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |         op: Box<Fn(&Vari)>,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vari)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Chainable + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "a0d59420886fb4450111496f21ba02249085949c0d91a81baca659dbb8b38a31"`
[INFO] running `"docker" "rm" "-f" "a0d59420886fb4450111496f21ba02249085949c0d91a81baca659dbb8b38a31"`
[INFO] [stdout] a0d59420886fb4450111496f21ba02249085949c0d91a81baca659dbb8b38a31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dorset/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d17b9f0a5b64b9065c172058f011a6e8b05fff1090c280786a3aaf0358028ff0
[INFO] running `"docker" "start" "-a" "d17b9f0a5b64b9065c172058f011a6e8b05fff1090c280786a3aaf0358028ff0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dorset-e62128828679dd17
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test operations::div::test::mul ... ok
[INFO] [stdout] test operations::cos::test::test ... ok
[INFO] [stdout] test operations::mul::test::mul ... ok
[INFO] [stdout] test operations::ln::test::test ... ok
[INFO] [stdout] test operations::add::test::add ... ok
[INFO] [stdout] test operations::pow::test::add ... ok
[INFO] [stdout] test operations::sin::test::test ... ok
[INFO] [stdout] test operations::sub::test::sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dorset
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d17b9f0a5b64b9065c172058f011a6e8b05fff1090c280786a3aaf0358028ff0"`
[INFO] running `"docker" "rm" "-f" "d17b9f0a5b64b9065c172058f011a6e8b05fff1090c280786a3aaf0358028ff0"`
[INFO] [stdout] d17b9f0a5b64b9065c172058f011a6e8b05fff1090c280786a3aaf0358028ff0