[INFO] fetching crate linfa-logistic 0.3.0...
[INFO] checking linfa-logistic-0.3.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate linfa-logistic 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate linfa-logistic 0.3.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-logistic 0.3.0
[INFO] finished tweaking crates.io crate linfa-logistic 0.3.0
[INFO] tweaked toml for crates.io crate linfa-logistic 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17856c815cc4966b7d6f9a465a1e8af4d43454a92514f09e842bfb65fad5e61c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17856c815cc4966b7d6f9a465a1e8af4d43454a92514f09e842bfb65fad5e61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17856c815cc4966b7d6f9a465a1e8af4d43454a92514f09e842bfb65fad5e61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17856c815cc4966b7d6f9a465a1e8af4d43454a92514f09e842bfb65fad5e61c", kill_on_drop: false }`
[INFO] [stdout] 17856c815cc4966b7d6f9a465a1e8af4d43454a92514f09e842bfb65fad5e61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3786fd3325a4dcfecd49a8de121f2c8413396ddad64a34225a236baf56066cbe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3786fd3325a4dcfecd49a8de121f2c8413396ddad64a34225a236baf56066cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking lapack-src v0.6.0
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking anyhow v1.0.38
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-term v2.7.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking cauchy v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking ndarray-linalg v0.12.1
[INFO] [stderr]     Checking linfa v0.3.0
[INFO] [stderr]     Checking argmin v0.3.1
[INFO] [stderr]     Checking linfa-logistic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:313:16
[INFO] [stdout]     |
[INFO] [stdout] 313 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 314 | |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 315 | |             n_features,
[INFO] [stdout] 316 | |             n_features + 1,
[INFO] [stdout] 317 | |             w.len()
[INFO] [stdout] 318 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:313:16
[INFO] [stdout]     |
[INFO] [stdout] 313 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 314 | |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 315 | |             n_features,
[INFO] [stdout] 316 | |             n_features + 1,
[INFO] [stdout] 317 | |             w.len()
[INFO] [stdout] 318 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "3786fd3325a4dcfecd49a8de121f2c8413396ddad64a34225a236baf56066cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3786fd3325a4dcfecd49a8de121f2c8413396ddad64a34225a236baf56066cbe", kill_on_drop: false }`
[INFO] [stdout] 3786fd3325a4dcfecd49a8de121f2c8413396ddad64a34225a236baf56066cbe