[INFO] crate tinyexpr 0.1.1 is already in cache
[INFO] extracting crate tinyexpr 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/tinyexpr/0.1.1
[INFO] extracting crate tinyexpr 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tinyexpr/0.1.1
[INFO] validating manifest of tinyexpr-0.1.1 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 tinyexpr-0.1.1 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 tinyexpr-0.1.1
[INFO] finished frobbing tinyexpr-0.1.1
[INFO] frobbed toml for tinyexpr-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tinyexpr/0.1.1/Cargo.toml
[INFO] started frobbing tinyexpr-0.1.1
[INFO] finished frobbing tinyexpr-0.1.1
[INFO] frobbed toml for tinyexpr-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tinyexpr/0.1.1/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 tinyexpr-0.1.1 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-2/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/tinyexpr/0.1.1:/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] 5d755089999a56d0348888b88fcc8f7ce71577c041338559c03cc89f9e2aa289
[INFO] running `"docker" "start" "-a" "5d755089999a56d0348888b88fcc8f7ce71577c041338559c03cc89f9e2aa289"`
[INFO] [stderr]    Compiling tinyexpr v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 |   #[doc(hidden)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 30 | / bitflags! {
[INFO] [stderr] 31 | |     #[doc(hidden)]
[INFO] [stderr] 32 | |     pub flags ExprType: u64 {
[INFO] [stderr] 33 | |         const TE_VARIABLE  = 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     }
[INFO] [stderr] 63 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / macro_rules! is_pure {
[INFO] [stderr] 70 | |     ($x:expr) => (($x & TE_FLAG_PURE).bits() != 0)
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | / macro_rules! is_function {
[INFO] [stderr] 74 | |     ($x:expr) => (($x & TE_FUNCTION0).bits() != 0)
[INFO] [stderr] 75 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | / macro_rules! is_closure {
[INFO] [stderr] 78 | |     ($x:expr) => (($x & TE_CLOSURE0).bits() != 0)
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arity`
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let arity = arity!(e_type);
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_arity`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 for i in 0..arity {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:514:13
[INFO] [stderr]     |
[INFO] [stderr] 514 |         for i in 0..arity {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:511:13
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let mut known = 1;
[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 0.79s
[INFO] running `"docker" "inspect" "5d755089999a56d0348888b88fcc8f7ce71577c041338559c03cc89f9e2aa289"`
[INFO] running `"docker" "rm" "-f" "5d755089999a56d0348888b88fcc8f7ce71577c041338559c03cc89f9e2aa289"`
[INFO] [stdout] 5d755089999a56d0348888b88fcc8f7ce71577c041338559c03cc89f9e2aa289
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/tinyexpr/0.1.1:/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] f468b76b2b6fe3a063c37f04613bd57ddc17957e67c36c7843307f45d2943f48
[INFO] running `"docker" "start" "-a" "f468b76b2b6fe3a063c37f04613bd57ddc17957e67c36c7843307f45d2943f48"`
[INFO] [stderr]    Compiling tinyexpr v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 |   #[doc(hidden)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 30 | / bitflags! {
[INFO] [stderr] 31 | |     #[doc(hidden)]
[INFO] [stderr] 32 | |     pub flags ExprType: u64 {
[INFO] [stderr] 33 | |         const TE_VARIABLE  = 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     }
[INFO] [stderr] 63 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / macro_rules! is_pure {
[INFO] [stderr] 70 | |     ($x:expr) => (($x & TE_FLAG_PURE).bits() != 0)
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | / macro_rules! is_function {
[INFO] [stderr] 74 | |     ($x:expr) => (($x & TE_FUNCTION0).bits() != 0)
[INFO] [stderr] 75 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | / macro_rules! is_closure {
[INFO] [stderr] 78 | |     ($x:expr) => (($x & TE_CLOSURE0).bits() != 0)
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arity`
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let arity = arity!(e_type);
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_arity`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 for i in 0..arity {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:514:13
[INFO] [stderr]     |
[INFO] [stderr] 514 |         for i in 0..arity {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:511:13
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let mut known = 1;
[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 0.99s
[INFO] running `"docker" "inspect" "f468b76b2b6fe3a063c37f04613bd57ddc17957e67c36c7843307f45d2943f48"`
[INFO] running `"docker" "rm" "-f" "f468b76b2b6fe3a063c37f04613bd57ddc17957e67c36c7843307f45d2943f48"`
[INFO] [stdout] f468b76b2b6fe3a063c37f04613bd57ddc17957e67c36c7843307f45d2943f48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/tinyexpr/0.1.1:/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] addff38f07e85f29dec61a3cd6f759797c3efb29d256e3f31ac06fc596d5f772
[INFO] running `"docker" "start" "-a" "addff38f07e85f29dec61a3cd6f759797c3efb29d256e3f31ac06fc596d5f772"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tinyexpr-1ed2749689d68ef7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-baacb1309c8353f1
[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 6 tests
[INFO] [stdout] test check_constants ... ok
[INFO] [stdout] test check_logarithms ... ok
[INFO] [stdout] test check_hyberbolic_trigs ... ok
[INFO] [stdout] test check_basics ... ok
[INFO] [stdout] test check_trigs ... ok
[INFO] [stdout] test parse_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinyexpr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/lib.rs - interp (line 547) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "addff38f07e85f29dec61a3cd6f759797c3efb29d256e3f31ac06fc596d5f772"`
[INFO] running `"docker" "rm" "-f" "addff38f07e85f29dec61a3cd6f759797c3efb29d256e3f31ac06fc596d5f772"`
[INFO] [stdout] addff38f07e85f29dec61a3cd6f759797c3efb29d256e3f31ac06fc596d5f772