[INFO] fetching crate honestintervals 0.2.0...
[INFO] testing honestintervals-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate honestintervals 0.2.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate honestintervals 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0730acd34981091ca8cdbb031dcdb51b36780eb95d908effff9ec3828a282fab
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[INFO] running `Command { std: "docker" "rm" "-f" "0730acd34981091ca8cdbb031dcdb51b36780eb95d908effff9ec3828a282fab", kill_on_drop: false }`
[INFO] [stdout] 0730acd34981091ca8cdbb031dcdb51b36780eb95d908effff9ec3828a282fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9036781e15f405a7e3dc68b4c2203b0fcaa73c1f7f97f675f824d7c7e45a7c10
[INFO] running `Command { std: "docker" "start" "-a" "9036781e15f405a7e3dc68b4c2203b0fcaa73c1f7f97f675f824d7c7e45a7c10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[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: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: 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 associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "9036781e15f405a7e3dc68b4c2203b0fcaa73c1f7f97f675f824d7c7e45a7c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9036781e15f405a7e3dc68b4c2203b0fcaa73c1f7f97f675f824d7c7e45a7c10", kill_on_drop: false }`
[INFO] [stdout] 9036781e15f405a7e3dc68b4c2203b0fcaa73c1f7f97f675f824d7c7e45a7c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d1d14db9fe111fe08add03f3de457e8ea0757f1d62127501e49a7f82527ac57
[INFO] running `Command { std: "docker" "start" "-a" "5d1d14db9fe111fe08add03f3de457e8ea0757f1d62127501e49a7f82527ac57", kill_on_drop: false }`
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[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: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: 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 associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling honestintervals v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[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: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 macro definition
[INFO] [stdout]   --> src/intervalset/tests.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / macro_rules! iv {
[INFO] [stdout] 20 | |     ($s:expr) => { IV::from_str_with_prec($s, PREC).unwrap() }
[INFO] [stdout] 21 | | }
[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 associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                              ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.honestintervals.9524f7f4-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac.28uqwum0vc6rw7uz.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6e9019ff2cdb2237.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-e9cc0b5f091b140c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-762dfa4479f14aad.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2a5ac1cc0b21909c.rlib" "/opt/rustwide/target/debug/deps/liblibc-bd0a7f2f55865ae0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/honestintervals-64332f88ccf7dfac" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmpfr
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `honestintervals` due to 2 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5d1d14db9fe111fe08add03f3de457e8ea0757f1d62127501e49a7f82527ac57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1d14db9fe111fe08add03f3de457e8ea0757f1d62127501e49a7f82527ac57", kill_on_drop: false }`
[INFO] [stdout] 5d1d14db9fe111fe08add03f3de457e8ea0757f1d62127501e49a7f82527ac57
