[INFO] fetching crate honestintervals 0.2.0...
[INFO] testing honestintervals-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate honestintervals 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate honestintervals 0.2.0
[INFO] finished tweaking crates.io crate honestintervals 0.2.0
[INFO] tweaked toml for crates.io crate honestintervals 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate honestintervals 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f5da979f2d36ac60097c4f10869a4088c6d653165f8f504fce3e51502557fa2
[INFO] running `Command { std: "docker" "start" "-a" "3f5da979f2d36ac60097c4f10869a4088c6d653165f8f504fce3e51502557fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f5da979f2d36ac60097c4f10869a4088c6d653165f8f504fce3e51502557fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5da979f2d36ac60097c4f10869a4088c6d653165f8f504fce3e51502557fa2", kill_on_drop: false }`
[INFO] [stdout] 3f5da979f2d36ac60097c4f10869a4088c6d653165f8f504fce3e51502557fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d451e3322d2a1bd3509976207c432f65c0a776ecec45185c9c221327bd5b2cd8
[INFO] running `Command { std: "docker" "start" "-a" "d451e3322d2a1bd3509976207c432f65c0a776ecec45185c9c221327bd5b2cd8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling honestintervals v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from_lo(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_hi(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_str_lo(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn from_str_hi(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/mpfr/capi.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 |   /// External calls to MPFR library. See http://www.mpfr.org/mpfr-current/mpfr.html for details.
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | / extern "C" {
[INFO] [stdout] 46 | |     // Initialization functions.
[INFO] [stdout] 47 | |     pub fn mpfr_init2(x: MpfrPtr, prec: MpfrPrec);
[INFO] [stdout] 48 | |     pub fn mpfr_clear(x: MpfrPtr);
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |     pub fn mpfr_max(rop: MpfrPtr, op1: MpfrConstPtr, op2: MpfrConstPtr, rnd: MpfrRnd) -> c_int;
[INFO] [stdout] 91 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpfr/impl_basic.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_start_matches('<').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_left_matches('<').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_end_matches('>').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_right_matches('>').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_start_matches('{').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:46
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_left_matches('{').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_end_matches('}').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:47
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_right_matches('}').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `MpfrStruct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this code causes undefined behavior when executed
[INFO] [stdout]    |                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpfr/capi.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub _mpfr_prec: MpfrPrec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d451e3322d2a1bd3509976207c432f65c0a776ecec45185c9c221327bd5b2cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d451e3322d2a1bd3509976207c432f65c0a776ecec45185c9c221327bd5b2cd8", kill_on_drop: false }`
[INFO] [stdout] d451e3322d2a1bd3509976207c432f65c0a776ecec45185c9c221327bd5b2cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe74b0c9bb1d85a44e13e035e52d02239daadb6ae057dc56940dcb66863522cf
[INFO] running `Command { std: "docker" "start" "-a" "fe74b0c9bb1d85a44e13e035e52d02239daadb6ae057dc56940dcb66863522cf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling honestintervals v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from_lo(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_hi(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_str_lo(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn from_str_hi(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/mpfr/capi.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 |   /// External calls to MPFR library. See http://www.mpfr.org/mpfr-current/mpfr.html for details.
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | / extern "C" {
[INFO] [stdout] 46 | |     // Initialization functions.
[INFO] [stdout] 47 | |     pub fn mpfr_init2(x: MpfrPtr, prec: MpfrPrec);
[INFO] [stdout] 48 | |     pub fn mpfr_clear(x: MpfrPtr);
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |     pub fn mpfr_max(rop: MpfrPtr, op1: MpfrConstPtr, op2: MpfrConstPtr, rnd: MpfrRnd) -> c_int;
[INFO] [stdout] 91 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpfr/impl_basic.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_start_matches('<').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_left_matches('<').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_end_matches('>').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_right_matches('>').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_start_matches('{').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:46
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_left_matches('{').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_end_matches('}').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:47
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_right_matches('}').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `MpfrStruct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this code causes undefined behavior when executed
[INFO] [stdout]    |                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpfr/capi.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub _mpfr_prec: MpfrPrec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from_lo(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_hi(T, precision: usize) -> Self;
[INFO] [stdout]    |                ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_str_lo(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fp.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn from_str_hi(s: &str, usize) -> Result<Self, Self::Err> { Self::from_str(s) }
[INFO] [stdout]    |                             ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/mpfr/capi.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 |   /// External calls to MPFR library. See http://www.mpfr.org/mpfr-current/mpfr.html for details.
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | / extern "C" {
[INFO] [stdout] 46 | |     // Initialization functions.
[INFO] [stdout] 47 | |     pub fn mpfr_init2(x: MpfrPtr, prec: MpfrPrec);
[INFO] [stdout] 48 | |     pub fn mpfr_clear(x: MpfrPtr);
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |     pub fn mpfr_max(rop: MpfrPtr, op1: MpfrConstPtr, op2: MpfrConstPtr, rnd: MpfrRnd) -> c_int;
[INFO] [stdout] 91 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iv`
[INFO] [stdout]   --> src/intervalset/tests.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | macro_rules! iv {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/mpfr/impl_basic.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_start_matches('<').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/interval/impl_basic.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 128 -             let s = s.trim_left_matches('<').trim_left();
[INFO] [stdout] 128 +             let s = s.trim_left_matches('<').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_end_matches('>').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/interval/impl_basic.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 130 -             let s = s.trim_right_matches('>').trim_right();
[INFO] [stdout] 130 +             let s = s.trim_right_matches('>').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_start_matches('{').trim_left();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:116:46
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 116 -             let s = s.trim_left_matches('{').trim_left();
[INFO] [stdout] 116 +             let s = s.trim_left_matches('{').trim_start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_end_matches('}').trim_right();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/intervalset/impl_basic.rs:118:47
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let s = s.trim_right_matches('}').trim_right();
[INFO] [stdout] 118 +             let s = s.trim_right_matches('}').trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `MpfrStruct` does not permit being left uninitialized
[INFO] [stdout]   --> src/mpfr/impl_basic.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut mpfr = uninitialized();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this code causes undefined behavior when executed
[INFO] [stdout]    |                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/mpfr/capi.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub _mpfr_prec: MpfrPrec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/interval/tests.rs:562:33
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let cz = String::from(cz.clone());
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/interval/tests_f64.rs:403:33
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let cz = String::from(cz.clone());
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/intervalset/tests.rs:565:33
[INFO] [stdout]     |
[INFO] [stdout] 565 |         let cz = String::from(cz.clone());
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc5wDzwF/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lmpfr" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/liblibc-08aef465eb552f81.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc5wDzwF/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/honestintervals-5d2a12520c596ca8" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lmpfr
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `honestintervals` (lib test) due to 1 previous error; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fe74b0c9bb1d85a44e13e035e52d02239daadb6ae057dc56940dcb66863522cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe74b0c9bb1d85a44e13e035e52d02239daadb6ae057dc56940dcb66863522cf", kill_on_drop: false }`
[INFO] [stdout] fe74b0c9bb1d85a44e13e035e52d02239daadb6ae057dc56940dcb66863522cf
