[INFO] fetching crate rand_split 0.2.1...
[INFO] testing rand_split-0.2.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rand_split 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rand_split 0.2.1
[INFO] finished tweaking crates.io crate rand_split 0.2.1
[INFO] tweaked toml for crates.io crate rand_split 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rand_split 0.2.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rand_split 0.2.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0fd8b7674e7ef9074604da7fc65b0aa08c3ef7da9d68af057bd94f6ce47b287
[INFO] running `Command { std: "docker" "start" "-a" "a0fd8b7674e7ef9074604da7fc65b0aa08c3ef7da9d68af057bd94f6ce47b287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0fd8b7674e7ef9074604da7fc65b0aa08c3ef7da9d68af057bd94f6ce47b287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fd8b7674e7ef9074604da7fc65b0aa08c3ef7da9d68af057bd94f6ce47b287", kill_on_drop: false }`
[INFO] [stdout] a0fd8b7674e7ef9074604da7fc65b0aa08c3ef7da9d68af057bd94f6ce47b287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d04396b6f90aa3e535ebba4bd1341736cef1cf6e11942c67573d779e645980f
[INFO] running `Command { std: "docker" "start" "-a" "8d04396b6f90aa3e535ebba4bd1341736cef1cf6e11942c67573d779e645980f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[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 rand_split v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "8d04396b6f90aa3e535ebba4bd1341736cef1cf6e11942c67573d779e645980f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d04396b6f90aa3e535ebba4bd1341736cef1cf6e11942c67573d779e645980f", kill_on_drop: false }`
[INFO] [stdout] 8d04396b6f90aa3e535ebba4bd1341736cef1cf6e11942c67573d779e645980f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0c70211162288f4df85a0347d412d248bee56cd385e5437f4da03530cdcaeb
[INFO] running `Command { std: "docker" "start" "-a" "9f0c70211162288f4df85a0347d412d248bee56cd385e5437f4da03530cdcaeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling rand_split v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 37.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9f0c70211162288f4df85a0347d412d248bee56cd385e5437f4da03530cdcaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0c70211162288f4df85a0347d412d248bee56cd385e5437f4da03530cdcaeb", kill_on_drop: false }`
[INFO] [stdout] 9f0c70211162288f4df85a0347d412d248bee56cd385e5437f4da03530cdcaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925d1a21266ff0469b18f823dc27296f2c13d224164c70d857d73a4b844453fe
[INFO] running `Command { std: "docker" "start" "-a" "925d1a21266ff0469b18f823dc27296f2c13d224164c70d857d73a4b844453fe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rand_split-e5cc5262dbf7dfbf)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::correct_split_sizes_even_number ... ok
[INFO] [stdout] test tests::unnormalized_weights_preserve_data ... ok
[INFO] [stdout] test tests::correct_split_sizes_odd_number ... ok
[INFO] [stdout] test stream_ttv::tests::correct_split_sizes_even_stream ... ok
[INFO] [stdout] test tests::unnormalized_weights_is_approx_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_split
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/stream.rs - stream::PartsSplit (line 74) ... ok
[INFO] [stdout] test src/lib.rs - train_test_split (line 55) ... ok
[INFO] [stdout] test src/lib.rs - split_parts (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ttv_split (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "925d1a21266ff0469b18f823dc27296f2c13d224164c70d857d73a4b844453fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925d1a21266ff0469b18f823dc27296f2c13d224164c70d857d73a4b844453fe", kill_on_drop: false }`
[INFO] [stdout] 925d1a21266ff0469b18f823dc27296f2c13d224164c70d857d73a4b844453fe