[INFO] fetching crate random_choice 0.3.2...
[INFO] testing random_choice-0.3.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate random_choice 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate random_choice 0.3.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random_choice 0.3.2
[INFO] finished tweaking crates.io crate random_choice 0.3.2
[INFO] tweaked toml for crates.io crate random_choice 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 72f3405ba30cdd460dbc299cf2e2e10ac7040aa0b9f99ccb191925554f19e3dc
[INFO] running `Command { std: "docker" "start" "-a" "72f3405ba30cdd460dbc299cf2e2e10ac7040aa0b9f99ccb191925554f19e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f3405ba30cdd460dbc299cf2e2e10ac7040aa0b9f99ccb191925554f19e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f3405ba30cdd460dbc299cf2e2e10ac7040aa0b9f99ccb191925554f19e3dc", kill_on_drop: false }`
[INFO] [stdout] 72f3405ba30cdd460dbc299cf2e2e10ac7040aa0b9f99ccb191925554f19e3dc
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 6b5e26481686e32d9db48948d50dac3ad9fe7a49bb45ca002e8d2bad32251a8a
[INFO] running `Command { std: "docker" "start" "-a" "6b5e26481686e32d9db48948d50dac3ad9fe7a49bb45ca002e8d2bad32251a8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_choice v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6b5e26481686e32d9db48948d50dac3ad9fe7a49bb45ca002e8d2bad32251a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5e26481686e32d9db48948d50dac3ad9fe7a49bb45ca002e8d2bad32251a8a", kill_on_drop: false }`
[INFO] [stdout] 6b5e26481686e32d9db48948d50dac3ad9fe7a49bb45ca002e8d2bad32251a8a
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff06adc0a623fd0d0d18a522192cd6bd092c0454457a572d65ebd08f16673d90
[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" "ff06adc0a623fd0d0d18a522192cd6bd092c0454457a572d65ebd08f16673d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_choice v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "ff06adc0a623fd0d0d18a522192cd6bd092c0454457a572d65ebd08f16673d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff06adc0a623fd0d0d18a522192cd6bd092c0454457a572d65ebd08f16673d90", kill_on_drop: false }`
[INFO] [stdout] ff06adc0a623fd0d0d18a522192cd6bd092c0454457a572d65ebd08f16673d90
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] f2f65971e6af8dd683b72bb22606506471b65c1f3704d9d2d27476a89590d00a
[INFO] running `Command { std: "docker" "start" "-a" "f2f65971e6af8dd683b72bb22606506471b65c1f3704d9d2d27476a89590d00a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_choice-0a9b363d2e7abd8d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-62d12b36c0fe4178)
[INFO] [stdout] test tests::test_random_choice_small_n_f32 ... ok
[INFO] [stdout] test tests::test_random_choice_samples_zero_f32 ... ok
[INFO] [stdout] test tests::test_random_choice_weights_zero_f64 ... ok
[INFO] [stdout] test tests::test_random_choice_zero_elements_f32 ... ok
[INFO] [stdout] test tests::test_random_choice_zero_elements_f64 ... ok
[INFO] [stdout] test tests::test_random_choice_weights_zero_f32 ... ok
[INFO] [stdout] test tests::test_random_choice_samples_zero_f64 ... ok
[INFO] [stdout] test tests::test_random_choice_small_n_f64 ... ok
[INFO] [stdout] test tests::test_random_choice_f64 ... ok
[INFO] [stdout] test tests::test_random_choice_f32 ... ok
[INFO] [stdout] test tests::test_random_choice_with_seed_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_choice
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2f65971e6af8dd683b72bb22606506471b65c1f3704d9d2d27476a89590d00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f65971e6af8dd683b72bb22606506471b65c1f3704d9d2d27476a89590d00a", kill_on_drop: false }`
[INFO] [stdout] f2f65971e6af8dd683b72bb22606506471b65c1f3704d9d2d27476a89590d00a