[INFO] fetching crate mathcalculate 0.1.2... [INFO] testing mathcalculate-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate mathcalculate 0.1.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate mathcalculate 0.1.2 [INFO] finished tweaking crates.io crate mathcalculate 0.1.2 [INFO] tweaked toml for crates.io crate mathcalculate 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mathcalculate 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ca416a203fea49391ef540caff44c3b0872cd51fee8c4898ee47bea334a3236 [INFO] running `Command { std: "docker" "start" "-a" "6ca416a203fea49391ef540caff44c3b0872cd51fee8c4898ee47bea334a3236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ca416a203fea49391ef540caff44c3b0872cd51fee8c4898ee47bea334a3236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ca416a203fea49391ef540caff44c3b0872cd51fee8c4898ee47bea334a3236", kill_on_drop: false }` [INFO] [stdout] 6ca416a203fea49391ef540caff44c3b0872cd51fee8c4898ee47bea334a3236 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5977fa21b0796305e1f8618069c22cff2f345536e43e434f6b93f5853844080e [INFO] running `Command { std: "docker" "start" "-a" "5977fa21b0796305e1f8618069c22cff2f345536e43e434f6b93f5853844080e", kill_on_drop: false }` [INFO] [stderr] Compiling mathcalculate v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "5977fa21b0796305e1f8618069c22cff2f345536e43e434f6b93f5853844080e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5977fa21b0796305e1f8618069c22cff2f345536e43e434f6b93f5853844080e", kill_on_drop: false }` [INFO] [stdout] 5977fa21b0796305e1f8618069c22cff2f345536e43e434f6b93f5853844080e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 796e503c211f4560f4bfe14769455944df76f76ee4d851453cf10478f5e622dc [INFO] running `Command { std: "docker" "start" "-a" "796e503c211f4560f4bfe14769455944df76f76ee4d851453cf10478f5e622dc", kill_on_drop: false }` [INFO] [stderr] Compiling mathcalculate v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "796e503c211f4560f4bfe14769455944df76f76ee4d851453cf10478f5e622dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "796e503c211f4560f4bfe14769455944df76f76ee4d851453cf10478f5e622dc", kill_on_drop: false }` [INFO] [stdout] 796e503c211f4560f4bfe14769455944df76f76ee4d851453cf10478f5e622dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b3bf27678f5ba601b8889b8a0ec84c662fb200cb429ed507ff0bbc788ae83d23 [INFO] running `Command { std: "docker" "start" "-a" "b3bf27678f5ba601b8889b8a0ec84c662fb200cb429ed507ff0bbc788ae83d23", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mathcalculate-daf292d0b8e0f92e) [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] [stderr] Doc-tests mathcalculate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - add (line 7) ... ok [INFO] [stdout] test src/lib.rs - divide (line 49) ... ok [INFO] [stdout] test src/lib.rs - remove (line 21) ... FAILED [INFO] [stdout] test src/lib.rs - multiply (line 35) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - remove (line 21) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (96) panicked at src/lib.rs:29:5: [INFO] [stdout] attempt to subtract with overflow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56b45d022cba - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56b45d022cba - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56b45d022cba - std[e72de78501789eb0]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x56b45d022cba - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x56b45d032fda - ::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x56b45d032fda - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stdout] 6: 0x56b45d026612 - std[e72de78501789eb0]::io::default_write_fmt:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x56b45d026612 - ::write_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x56b45d00e92f - ::print [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x56b45d00e92f - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x56b45d01ef91 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x56b45d01f14b - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x56b45d00ea1a - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:691:13 [INFO] [stdout] 13: 0x56b45d0066e9 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x56b45d00f24d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x56b45d0336cc - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x56b45d034529 - core[6aaeda2c7ad07a48]::panicking::panic_const::panic_const_sub_overflow [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:175:17 [INFO] [stdout] 17: 0x56b45cff9243 - mathcalculate[eebd3c291f1ab1b8]::remove [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:29:5 [INFO] [stdout] 18: 0x56b45cff90f4 - rust_out[992bb7df40d5d539]::main [INFO] [stdout] 19: 0x56b45cff9153 - >::call_once [INFO] [stdout] 20: 0x56b45cff90a6 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 21: 0x56b45cff90b9 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 22: 0x56b45d01e714 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x56b45d01e714 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 24: 0x56b45d01e714 - std[e72de78501789eb0]::panicking::catch_unwind:: + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 25: 0x56b45d01e714 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x56b45d01e714 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x56b45d01e714 - std[e72de78501789eb0]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 28: 0x56b45d01e714 - std[e72de78501789eb0]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 29: 0x56b45d01e714 - std[e72de78501789eb0]::panic::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x56b45d01e714 - std[e72de78501789eb0]::rt::lang_start_internal [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x56b45cff9091 - std[e72de78501789eb0]::rt::lang_start::<()> [INFO] [stdout] 32: 0x56b45cff91b5 - main [INFO] [stdout] 33: 0x79b73dab71ca - [INFO] [stdout] 34: 0x79b73dab728b - __libc_start_main [INFO] [stdout] 35: 0x56b45cff8f65 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - remove (line 21) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "b3bf27678f5ba601b8889b8a0ec84c662fb200cb429ed507ff0bbc788ae83d23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3bf27678f5ba601b8889b8a0ec84c662fb200cb429ed507ff0bbc788ae83d23", kill_on_drop: false }` [INFO] [stdout] b3bf27678f5ba601b8889b8a0ec84c662fb200cb429ed507ff0bbc788ae83d23