[INFO] fetching crate kmedoids 0.1.5...
[INFO] testing kmedoids-0.1.5 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate kmedoids 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kmedoids 0.1.5 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmedoids 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kmedoids 0.1.5
[INFO] tweaked toml for crates.io crate kmedoids 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate kmedoids 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe627f3744c5a4a4457b9978468f793ae56e3a9beaf8349b7b29aced551ec7b5
[INFO] running `Command { std: "docker" "start" "-a" "fe627f3744c5a4a4457b9978468f793ae56e3a9beaf8349b7b29aced551ec7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe627f3744c5a4a4457b9978468f793ae56e3a9beaf8349b7b29aced551ec7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe627f3744c5a4a4457b9978468f793ae56e3a9beaf8349b7b29aced551ec7b5", kill_on_drop: false }`
[INFO] [stdout] fe627f3744c5a4a4457b9978468f793ae56e3a9beaf8349b7b29aced551ec7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82999d223962b443abe5abc90751486f33ce3b677161347670b4263bd526ac62
[INFO] running `Command { std: "docker" "start" "-a" "82999d223962b443abe5abc90751486f33ce3b677161347670b4263bd526ac62", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling kmedoids v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.66s
[INFO] running `Command { std: "docker" "inspect" "82999d223962b443abe5abc90751486f33ce3b677161347670b4263bd526ac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82999d223962b443abe5abc90751486f33ce3b677161347670b4263bd526ac62", kill_on_drop: false }`
[INFO] [stdout] 82999d223962b443abe5abc90751486f33ce3b677161347670b4263bd526ac62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 199c062c567e5e7e487fbcbf365ee05eb036b26def407865de14082a67893c12
[INFO] running `Command { std: "docker" "start" "-a" "199c062c567e5e7e487fbcbf365ee05eb036b26def407865de14082a67893c12", kill_on_drop: false }`
[INFO] [stderr]    Compiling kmedoids v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/kmedoids.rs:910:66
[INFO] [stdout]     |
[INFO] [stdout] 910 |         assert!(result.iter().zip(expect.iter()).all(|(a, b)| a == b), msg);
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 910 |         assert!(result.iter().zip(expect.iter()).all(|(a, b)| a == b), "{}", msg);
[INFO] [stdout]     |                                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "199c062c567e5e7e487fbcbf365ee05eb036b26def407865de14082a67893c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199c062c567e5e7e487fbcbf365ee05eb036b26def407865de14082a67893c12", kill_on_drop: false }`
[INFO] [stdout] 199c062c567e5e7e487fbcbf365ee05eb036b26def407865de14082a67893c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8bc61be103f917b6b7e57ea54a68a57864cc3053d5edeff1f8ca477f2bed931
[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" "c8bc61be103f917b6b7e57ea54a68a57864cc3053d5edeff1f8ca477f2bed931", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/kmedoids.rs:910:66
[INFO] [stderr]     |
[INFO] [stderr] 910 |         assert!(result.iter().zip(expect.iter()).all(|(a, b)| a == b), msg);
[INFO] [stderr]     |                                                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 910 |         assert!(result.iter().zip(expect.iter()).all(|(a, b)| a == b), "{}", msg);
[INFO] [stderr]     |                                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kmedoids-7d2d184b69c6de19)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::testalternating ... ok
[INFO] [stdout] test tests::testfasterpam_simple ... ok
[INFO] [stdout] test tests::testpam_simple ... ok
[INFO] [stdout] test tests::testpam_build_simple ... ok
[INFO] [stdout] test tests::testfastpam_simple ... ok
[INFO] [stdout] test tests::testpam_swap_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kmedoids
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/arrayadapter.rs - arrayadapter::LowerTriangle (line 40) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam_build (line 701) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam (line 747) ... ok
[INFO] [stdout] test src/kmedoids.rs - alternating (line 868) ... ok
[INFO] [stdout] test src/kmedoids.rs - random_initialization (line 324) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam_swap (line 659) ... ok
[INFO] [stdout] test src/kmedoids.rs - fastpam1 (line 446) ... ok
[INFO] [stdout] test src/kmedoids.rs - fasterpam (line 355) ... ok
[INFO] [stdout] test src/kmedoids.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8bc61be103f917b6b7e57ea54a68a57864cc3053d5edeff1f8ca477f2bed931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bc61be103f917b6b7e57ea54a68a57864cc3053d5edeff1f8ca477f2bed931", kill_on_drop: false }`
[INFO] [stdout] c8bc61be103f917b6b7e57ea54a68a57864cc3053d5edeff1f8ca477f2bed931