[INFO] fetching crate rust-string-random 0.1.0... [INFO] testing rust-string-random-0.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759 [INFO] extracting crate rust-string-random 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate rust-string-random 0.1.0 [INFO] finished tweaking crates.io crate rust-string-random 0.1.0 [INFO] tweaked toml for crates.io crate rust-string-random 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust-string-random 0.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03428afbd8cddeef685a1ee5bbdf1c5ee4204078e34db8a64c771b733a91bc19 [INFO] running `Command { std: "docker" "start" "-a" "03428afbd8cddeef685a1ee5bbdf1c5ee4204078e34db8a64c771b733a91bc19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03428afbd8cddeef685a1ee5bbdf1c5ee4204078e34db8a64c771b733a91bc19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03428afbd8cddeef685a1ee5bbdf1c5ee4204078e34db8a64c771b733a91bc19", kill_on_drop: false }` [INFO] [stdout] 03428afbd8cddeef685a1ee5bbdf1c5ee4204078e34db8a64c771b733a91bc19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2679f2554ab854417d2a649815e6344db39745cd1cab8766db1b9b27fc64c79a [INFO] running `Command { std: "docker" "start" "-a" "2679f2554ab854417d2a649815e6344db39745cd1cab8766db1b9b27fc64c79a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rust-string-random v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "2679f2554ab854417d2a649815e6344db39745cd1cab8766db1b9b27fc64c79a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2679f2554ab854417d2a649815e6344db39745cd1cab8766db1b9b27fc64c79a", kill_on_drop: false }` [INFO] [stdout] 2679f2554ab854417d2a649815e6344db39745cd1cab8766db1b9b27fc64c79a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0a400dc3d7cbbba47605547a8cae63bb03c68c1ae94eb3d03ce3b8803b90a66 [INFO] running `Command { std: "docker" "start" "-a" "f0a400dc3d7cbbba47605547a8cae63bb03c68c1ae94eb3d03ce3b8803b90a66", kill_on_drop: false }` [INFO] [stderr] Compiling rust-string-random v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "f0a400dc3d7cbbba47605547a8cae63bb03c68c1ae94eb3d03ce3b8803b90a66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0a400dc3d7cbbba47605547a8cae63bb03c68c1ae94eb3d03ce3b8803b90a66", kill_on_drop: false }` [INFO] [stdout] f0a400dc3d7cbbba47605547a8cae63bb03c68c1ae94eb3d03ce3b8803b90a66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 921ef73b5e9b5b91a9f788f85c177560831b1732ae4f1e07bb8cc34df1ef441c [INFO] running `Command { std: "docker" "start" "-a" "921ef73b5e9b5b91a9f788f85c177560831b1732ae4f1e07bb8cc34df1ef441c", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_string_random-fe990acd44e253bb) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::string_random ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rust_string_random [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - random (line 14) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - random (line 14) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' panicked at src/lib.rs:53:23: [INFO] [stdout] byte index 18446744073709551615 is out of bounds of `0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz` [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5614f7940e32 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5614f7940e32 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5614f7940e32 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5614f7940e32 - ::fmt::ha2e7e3a01df69042 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5614f795ccd3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5614f795ccd3 - core::fmt::write::h7cb8f63788cd01d2 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25 [INFO] [stdout] 6: 0x5614f793eb53 - std::io::default_write_fmt::h92ac9345fd53cc14 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5614f793eb53 - std::io::Write::write_fmt::h5ebaf381f8338068 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5614f7940c82 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5614f7941cf6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x5614f7941af9 - std::panicking::default_hook::ha25170a15c643514 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9 [INFO] [stdout] 11: 0x5614f79425c2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13 [INFO] [stdout] 12: 0x5614f794245a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13 [INFO] [stdout] 13: 0x5614f7941329 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 14: 0x5614f79420ed - __rustc[beb0385846a06d21]::rust_begin_unwind [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5 [INFO] [stdout] 15: 0x5614f795c180 - core::panicking::panic_fmt::ha33fa2ae772efba9 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5614f795f622 - core::str::slice_error_fail_rt::hbbc6833a35ba30ec [INFO] [stdout] 17: 0x5614f795f4fa - core::str::slice_error_fail::hf4395fc0526b454a [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/str/mod.rs:69:5 [INFO] [stdout] 18: 0x5614f791d373 - core::str::traits:: for core::ops::range::Range>::index::h2a2b9fe842f3564e [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/str/traits.rs:242:21 [INFO] [stdout] 19: 0x5614f791d373 - >::index::hf57cf5a0d37394a0 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/string.rs:2716:15 [INFO] [stdout] 20: 0x5614f791d373 - rust_string_random::random::hf1150362476c9ca1 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:53:23 [INFO] [stdout] 21: 0x5614f791c7e4 - rust_out::main::_doctest_main_src_lib_rs_14_0::hfabaa09c01987ae3 [INFO] [stdout] 22: 0x5614f791c726 - rust_out::main::h4293891446a396e5 [INFO] [stdout] 23: 0x5614f791c433 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646 [INFO] [stdout] 24: 0x5614f791c416 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2 [INFO] [stdout] 25: 0x5614f791c3f9 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a [INFO] [stdout] 26: 0x5614f793ca70 - core::ops::function::impls:: for &F>::call_once::hc3929e8466919df6 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21 [INFO] [stdout] 27: 0x5614f793ca70 - std::panicking::catch_unwind::do_call::hed30a66745299fca [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40 [INFO] [stdout] 28: 0x5614f793ca70 - std::panicking::catch_unwind::hdfb0bc9563518507 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19 [INFO] [stdout] 29: 0x5614f793ca70 - std::panic::catch_unwind::hd0a1d748acfba573 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5614f793ca70 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24 [INFO] [stdout] 31: 0x5614f793ca70 - std::panicking::catch_unwind::do_call::h1114c52e864472d2 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40 [INFO] [stdout] 32: 0x5614f793ca70 - std::panicking::catch_unwind::h91938c6665615bc7 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19 [INFO] [stdout] 33: 0x5614f793ca70 - std::panic::catch_unwind::h0c65d4211626564a [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14 [INFO] [stdout] 34: 0x5614f793ca70 - std::rt::lang_start_internal::hc41e58da8618ff02 [INFO] [stdout] at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5 [INFO] [stdout] 35: 0x5614f791c3e1 - std::rt::lang_start::hcc2a7507424cf42d [INFO] [stdout] 36: 0x5614f791c8f5 - main [INFO] [stdout] 37: 0x7826e302c1ca - [INFO] [stdout] 38: 0x7826e302c28b - __libc_start_main [INFO] [stdout] 39: 0x5614f791c2f5 - _start [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - random (line 14) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "921ef73b5e9b5b91a9f788f85c177560831b1732ae4f1e07bb8cc34df1ef441c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "921ef73b5e9b5b91a9f788f85c177560831b1732ae4f1e07bb8cc34df1ef441c", kill_on_drop: false }` [INFO] [stdout] 921ef73b5e9b5b91a9f788f85c177560831b1732ae4f1e07bb8cc34df1ef441c