[INFO] fetching crate linfa-logistic 0.3.1...
[INFO] checking linfa-logistic-0.3.1 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate linfa-logistic 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate linfa-logistic 0.3.1 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-logistic 0.3.1
[INFO] finished tweaking crates.io crate linfa-logistic 0.3.1
[INFO] tweaked toml for crates.io crate linfa-logistic 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate linfa-logistic 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argmin v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0955d5533114ee7bff8f2de8a544b0965be26928b1df7c9a33176cc711c46c9b
[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" "0955d5533114ee7bff8f2de8a544b0965be26928b1df7c9a33176cc711c46c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0955d5533114ee7bff8f2de8a544b0965be26928b1df7c9a33176cc711c46c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0955d5533114ee7bff8f2de8a544b0965be26928b1df7c9a33176cc711c46c9b", kill_on_drop: false }`
[INFO] [stdout] 0955d5533114ee7bff8f2de8a544b0965be26928b1df7c9a33176cc711c46c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba422613afa1af7bfd141f607c4b43404cefe806d36ded3fe769f8b4a2d43a61
[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" "ba422613afa1af7bfd141f607c4b43404cefe806d36ded3fe769f8b4a2d43a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
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[INFO] [stderr]     Checking linfa-datasets v0.3.1
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[INFO] [stderr]     Checking linfa-logistic v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:387:16
[INFO] [stdout]     |
[INFO] [stdout] 387 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 388 | |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 389 | |             n_features,
[INFO] [stdout] 390 | |             n_features + 1,
[INFO] [stdout] 391 | |             w.len()
[INFO] [stdout] 392 | |         ));
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 387 |         panic!(
[INFO] [stdout] 388 |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 389 |             n_features,
[INFO] [stdout] 390 |             n_features + 1,
[INFO] [stdout] 391 |             w.len()
[INFO] [stdout] 392 |         );
[INFO] [stdout]     |
[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:387:16
[INFO] [stdout]     |
[INFO] [stdout] 387 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 388 | |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 389 | |             n_features,
[INFO] [stdout] 390 | |             n_features + 1,
[INFO] [stdout] 391 | |             w.len()
[INFO] [stdout] 392 | |         ));
[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: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 387 |         panic!(
[INFO] [stdout] 388 |             "Unexpected length of parameter vector `w`, exected {} or {}, found {}",
[INFO] [stdout] 389 |             n_features,
[INFO] [stdout] 390 |             n_features + 1,
[INFO] [stdout] 391 |             w.len()
[INFO] [stdout] 392 |         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "ba422613afa1af7bfd141f607c4b43404cefe806d36ded3fe769f8b4a2d43a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba422613afa1af7bfd141f607c4b43404cefe806d36ded3fe769f8b4a2d43a61", kill_on_drop: false }`
[INFO] [stdout] ba422613afa1af7bfd141f607c4b43404cefe806d36ded3fe769f8b4a2d43a61