[INFO] crate liblbfgs 0.0.15 is already in cache
[INFO] testing liblbfgs-0.0.15 against 1.44.0 for beta-1.45-1
[INFO] extracting crate liblbfgs 0.0.15 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liblbfgs 0.0.15 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate liblbfgs 0.0.15
[INFO] finished tweaking crates.io crate liblbfgs 0.0.15
[INFO] tweaked toml for crates.io crate liblbfgs 0.0.15 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate liblbfgs 0.0.15 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 06e342451ccdcb537d1a34fbe50eb78b19421492c7999c28f50927b833af996b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06e342451ccdcb537d1a34fbe50eb78b19421492c7999c28f50927b833af996b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling liblbfgs v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::math::*`
[INFO] [stderr]    --> src/line.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | use crate::math::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stderr]     --> src/lbfgs.rs:1147:4
[INFO] [stderr]      |
[INFO] [stderr] 1147 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "06e342451ccdcb537d1a34fbe50eb78b19421492c7999c28f50927b833af996b"`
[INFO] running `"docker" "rm" "-f" "06e342451ccdcb537d1a34fbe50eb78b19421492c7999c28f50927b833af996b"`
[INFO] [stdout] 06e342451ccdcb537d1a34fbe50eb78b19421492c7999c28f50927b833af996b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c2200f10a7d9d3001ef0dd4bdc26861547a10aa01dcc84262e2bba6e9202ce8
[INFO] running `"docker" "start" "-a" "6c2200f10a7d9d3001ef0dd4bdc26861547a10aa01dcc84262e2bba6e9202ce8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling vecfx v0.0.8
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr] warning: unused import: `crate::math::*`
[INFO] [stderr]    --> src/line.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | use crate::math::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stderr]     --> src/lbfgs.rs:1147:4
[INFO] [stderr]      |
[INFO] [stderr] 1147 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling liblbfgs v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Progress`
[INFO] [stderr]   --> tests/rosenbrock.rs:25:63
[INFO] [stderr]    |
[INFO] [stderr] 25 |     use liblbfgs::{default_evaluate, default_progress, lbfgs, Progress};
[INFO] [stderr]    |                                                               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Progress`
[INFO] [stderr]   --> examples/lj.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |     use liblbfgs::{lbfgs, Progress};
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/lj.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut lj = LennardJones::default();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/lj.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     lbfgs().minimize(
[INFO] [stderr] 118 | |         &mut positions,
[INFO] [stderr] 119 | |         |x, gx| {
[INFO] [stderr] 120 | |             let energy = lj.evaluate(x.as_3d(), gx.as_mut_3d());
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |         },
[INFO] [stderr] 133 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::math::*`
[INFO] [stderr]    --> src/line.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | use crate::math::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stderr]     --> src/lbfgs.rs:1147:4
[INFO] [stderr]      |
[INFO] [stderr] 1147 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 55.02s
[INFO] running `"docker" "inspect" "6c2200f10a7d9d3001ef0dd4bdc26861547a10aa01dcc84262e2bba6e9202ce8"`
[INFO] running `"docker" "rm" "-f" "6c2200f10a7d9d3001ef0dd4bdc26861547a10aa01dcc84262e2bba6e9202ce8"`
[INFO] [stdout] 6c2200f10a7d9d3001ef0dd4bdc26861547a10aa01dcc84262e2bba6e9202ce8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] dc22ebfe9fa6352dee24b1cf9df672c4d1bb33d5c6acb2757133fd306bfe28b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dc22ebfe9fa6352dee24b1cf9df672c4d1bb33d5c6acb2757133fd306bfe28b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `crate::math::*`
[INFO] [stderr]    --> src/line.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | use crate::math::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stderr]     --> src/lbfgs.rs:1147:4
[INFO] [stderr]      |
[INFO] [stderr] 1147 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Progress`
[INFO] [stderr]   --> examples/lj.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |     use liblbfgs::{lbfgs, Progress};
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/lj.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut lj = LennardJones::default();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/lj.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     lbfgs().minimize(
[INFO] [stderr] 118 | |         &mut positions,
[INFO] [stderr] 119 | |         |x, gx| {
[INFO] [stderr] 120 | |             let energy = lj.evaluate(x.as_3d(), gx.as_mut_3d());
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |         },
[INFO] [stderr] 133 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::math::*`
[INFO] [stderr]    --> src/line.rs:375:5
[INFO] [stderr]     |
[INFO] [stderr] 375 | use crate::math::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stderr]     --> src/lbfgs.rs:1147:4
[INFO] [stderr]      |
[INFO] [stderr] 1147 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Progress`
[INFO] [stderr]   --> tests/rosenbrock.rs:25:63
[INFO] [stderr]    |
[INFO] [stderr] 25 |     use liblbfgs::{default_evaluate, default_progress, lbfgs, Progress};
[INFO] [stderr]    |                                                               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/liblbfgs-0910bad09546ec13
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/booth-93c761cddf90370d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test math::test_lbfgs_math ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rosenbrock-5660acfa56385480
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_lbfgs ... ok
[INFO] [stderr]    Doc-tests liblbfgs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/line.rs - line (line 10) ... ok
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc22ebfe9fa6352dee24b1cf9df672c4d1bb33d5c6acb2757133fd306bfe28b7"`
[INFO] running `"docker" "rm" "-f" "dc22ebfe9fa6352dee24b1cf9df672c4d1bb33d5c6acb2757133fd306bfe28b7"`
[INFO] [stdout] dc22ebfe9fa6352dee24b1cf9df672c4d1bb33d5c6acb2757133fd306bfe28b7