[INFO] fetching crate lbfgsbrs 0.1.2...
[INFO] testing lbfgsbrs-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate lbfgsbrs 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate lbfgsbrs 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lbfgsbrs 0.1.2
[INFO] tweaked toml for crates.io crate lbfgsbrs 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lbfgsbrs 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lbfgsbrs 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jiff-static v0.2.14
[INFO] [stderr]   Downloaded jiff v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1103441aec4d974c695ee25ab7528a637b501b46c581893c1f91e4e777b8e4d6
[INFO] running `Command { std: "docker" "start" "-a" "1103441aec4d974c695ee25ab7528a637b501b46c581893c1f91e4e777b8e4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1103441aec4d974c695ee25ab7528a637b501b46c581893c1f91e4e777b8e4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1103441aec4d974c695ee25ab7528a637b501b46c581893c1f91e4e777b8e4d6", kill_on_drop: false }`
[INFO] [stdout] 1103441aec4d974c695ee25ab7528a637b501b46c581893c1f91e4e777b8e4d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cecc1833163fc6ff9594b57ece0ff8dc70f059d6be280dc687e7afd17ad01654
[INFO] running `Command { std: "docker" "start" "-a" "cecc1833163fc6ff9594b57ece0ff8dc70f059d6be280dc687e7afd17ad01654", kill_on_drop: false }`
[INFO] [stderr]    Compiling lbfgsbrs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stdout] warning: unused import: `super::timer::timer`
[INFO] [stdout]  --> src/lbfgsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::timer::timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         &mut FTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout]  28 | pub const FTOL: f64 = 0.001f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         &mut GTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout]  29 | pub const GTOL: f64 = 0.9f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &mut XTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout]  30 | pub const XTOL: f64 = 0.1f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         &mut STEPMIN,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 | pub const STEPMIN: f64 = 0.0f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/subalgorithms.rs:1135:17
[INFO] [stdout]      |
[INFO] [stdout] 1135 |             let mut d = ddot(col as i32, &wn[(is * wn_dim) as usize..], 1, &wn[js * wn_dim..], 1);
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "cecc1833163fc6ff9594b57ece0ff8dc70f059d6be280dc687e7afd17ad01654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecc1833163fc6ff9594b57ece0ff8dc70f059d6be280dc687e7afd17ad01654", kill_on_drop: false }`
[INFO] [stdout] cecc1833163fc6ff9594b57ece0ff8dc70f059d6be280dc687e7afd17ad01654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8a8914aaff1676982bcf4a6662bf231f2a11ee9a604c6b9f47bdc4501a50d2
[INFO] running `Command { std: "docker" "start" "-a" "9f8a8914aaff1676982bcf4a6662bf231f2a11ee9a604c6b9f47bdc4501a50d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling jiff v0.2.14
[INFO] [stderr]    Compiling lbfgsbrs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stdout] warning: unused import: `super::timer::timer`
[INFO] [stdout]  --> src/lbfgsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::timer::timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         &mut FTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout]  28 | pub const FTOL: f64 = 0.001f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         &mut GTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout]  29 | pub const GTOL: f64 = 0.9f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &mut XTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout]  30 | pub const XTOL: f64 = 0.1f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         &mut STEPMIN,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 | pub const STEPMIN: f64 = 0.0f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/subalgorithms.rs:1135:17
[INFO] [stdout]      |
[INFO] [stdout] 1135 |             let mut d = ddot(col as i32, &wn[(is * wn_dim) as usize..], 1, &wn[js * wn_dim..], 1);
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stdout] warning: unused import: `super::timer::timer`
[INFO] [stdout]  --> src/lbfgsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::timer::timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         &mut FTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout]  28 | pub const FTOL: f64 = 0.001f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         &mut GTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout]  29 | pub const GTOL: f64 = 0.9f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &mut XTOL,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout]  30 | pub const XTOL: f64 = 0.1f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/linesearch.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         &mut STEPMIN,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/linesearch.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 | pub const STEPMIN: f64 = 0.0f64;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/subalgorithms.rs:1135:17
[INFO] [stdout]      |
[INFO] [stdout] 1135 |             let mut d = ddot(col as i32, &wn[(is * wn_dim) as usize..], 1, &wn[js * wn_dim..], 1);
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.68s
[INFO] running `Command { std: "docker" "inspect" "9f8a8914aaff1676982bcf4a6662bf231f2a11ee9a604c6b9f47bdc4501a50d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8a8914aaff1676982bcf4a6662bf231f2a11ee9a604c6b9f47bdc4501a50d2", kill_on_drop: false }`
[INFO] [stdout] 9f8a8914aaff1676982bcf4a6662bf231f2a11ee9a604c6b9f47bdc4501a50d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b427581ccf8a7d372562ff0ba0b5ec94b82f8ce2e7d10cdf6ec56330a8d3ee0
[INFO] running `Command { std: "docker" "start" "-a" "4b427581ccf8a7d372562ff0ba0b5ec94b82f8ce2e7d10cdf6ec56330a8d3ee0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::timer::timer`
[INFO] [stderr]  --> src/lbfgsb.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::timer::timer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/linesearch.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         &mut FTOL,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/linesearch.rs:28:1
[INFO] [stderr]     |
[INFO] [stderr]  28 | pub const FTOL: f64 = 0.001f64;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/linesearch.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         &mut GTOL,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/linesearch.rs:29:1
[INFO] [stderr]     |
[INFO] [stderr]  29 | pub const GTOL: f64 = 0.9f64;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/linesearch.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |         &mut XTOL,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/linesearch.rs:30:1
[INFO] [stderr]     |
[INFO] [stderr]  30 | pub const XTOL: f64 = 0.1f64;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/linesearch.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         &mut STEPMIN,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/linesearch.rs:31:1
[INFO] [stderr]     |
[INFO] [stderr]  31 | pub const STEPMIN: f64 = 0.0f64;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]     --> src/subalgorithms.rs:1135:17
[INFO] [stderr]      |
[INFO] [stderr] 1135 |             let mut d = ddot(col as i32, &wn[(is * wn_dim) as usize..], 1, &wn[js * wn_dim..], 1);
[INFO] [stderr]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lbfgsbrs` (lib) generated 6 warnings (run `cargo fix --lib -p lbfgsbrs` to apply 2 suggestions)
[INFO] [stderr] warning: `lbfgsbrs` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lbfgsbrs-799fdd6a2f20e5f4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lbfgsbrs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b427581ccf8a7d372562ff0ba0b5ec94b82f8ce2e7d10cdf6ec56330a8d3ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b427581ccf8a7d372562ff0ba0b5ec94b82f8ce2e7d10cdf6ec56330a8d3ee0", kill_on_drop: false }`
[INFO] [stdout] 4b427581ccf8a7d372562ff0ba0b5ec94b82f8ce2e7d10cdf6ec56330a8d3ee0