[INFO] cloning repository https://github.com/lolzballs/rust-jvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolzballs/rust-jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01e170f41a28f7e845a523b75041cddb5779779e
[INFO] checking lolzballs/rust-jvm against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] finished tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] tweaked toml for git repo https://github.com/lolzballs/rust-jvm written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lolzballs/rust-jvm on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lolzballs/rust-jvm 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/librjni/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lolzballs/rust-jvm against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Frust-jvm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] finished tweaking git repo https://github.com/lolzballs/rust-jvm
[INFO] tweaked toml for git repo https://github.com/lolzballs/rust-jvm written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lolzballs/rust-jvm on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lolzballs/rust-jvm 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/librjni/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded siphasher v0.2.1
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded target_build_utils v0.3.0
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded libloading v0.3.2
[INFO] [stderr]   Downloaded serde_json v0.9.9
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e2e4689105ad42919544d275838733885d164e5e5c49d0f268f1f20dabf6d5e
[INFO] running `Command { std: "docker" "start" "-a" "3e2e4689105ad42919544d275838733885d164e5e5c49d0f268f1f20dabf6d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2e4689105ad42919544d275838733885d164e5e5c49d0f268f1f20dabf6d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2e4689105ad42919544d275838733885d164e5e5c49d0f268f1f20dabf6d5e", kill_on_drop: false }`
[INFO] [stdout] 3e2e4689105ad42919544d275838733885d164e5e5c49d0f268f1f20dabf6d5e
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6bfdb97e7715013f5b1a1a652613a1e553e1e44f7df9bee1ad6d8f0b311513
[INFO] running `Command { std: "docker" "start" "-a" "3a6bfdb97e7715013f5b1a1a652613a1e553e1e44f7df9bee1ad6d8f0b311513", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/librjni/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rust_jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> build.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | /                 Command::new("javac")
[INFO] [stdout] 25 | |                     .current_dir("runtime")
[INFO] [stdout] 26 | |                     .arg("-d")
[INFO] [stdout] 27 | |                     .arg(&out)
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                     .expect("failed to execute javac")
[INFO] [stdout] 31 | |                     .success();
[INFO] [stdout]    | |______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let _ = Command::new("javac")
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `rust_jvm v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust_jvm-47bee8f5b86f1351/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=runtime
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (145) panicked at build.rs:30:22:
[INFO] [stderr]   failed to execute javac: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58341b961ba2 - std[52045bcf8610ede8]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58341b961ba2 - std[52045bcf8610ede8]::backtrace_rs::backtrace::trace_unsynchronized::<std[52045bcf8610ede8]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58341b961ba2 - std[52045bcf8610ede8]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stderr]      3:     0x58341b961ba2 - <<std[52045bcf8610ede8]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[b0205bc8f40a162d]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stderr]      4:     0x58341b9737b7 - <core[b0205bc8f40a162d]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x58341b9737b7 - core[b0205bc8f40a162d]::fmt::write
[INFO] [stderr]      6:     0x58341b966686 - std[52045bcf8610ede8]::io::default_write_fmt::<std[52045bcf8610ede8]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x58341b966686 - <std[52045bcf8610ede8]::sys::stdio::unix::Stderr as std[52045bcf8610ede8]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x58341b94692f - <std[52045bcf8610ede8]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stderr]      9:     0x58341b94692f - std[52045bcf8610ede8]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x58341b95d821 - std[52045bcf8610ede8]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x58341b95d9db - std[52045bcf8610ede8]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x58341b9469e8 - std[52045bcf8610ede8]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x58341b93bc39 - std[52045bcf8610ede8]::sys::backtrace::__rust_end_short_backtrace::<std[52045bcf8610ede8]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stderr]     14:     0x58341b94734d - __rustc[b76eeeb8293e78f3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x58341b973dfc - core[b0205bc8f40a162d]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x58341b973bd2 - core[b0205bc8f40a162d]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x58341b91b052 - <core[b0205bc8f40a162d]::result::Result<std[52045bcf8610ede8]::process::ExitStatus, std[52045bcf8610ede8]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x58341b91adad - build_script_build[7069530dea597283]::main
[INFO] [stderr]     19:     0x58341b91d103 - <fn() as core[b0205bc8f40a162d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x58341b91a576 - std[52045bcf8610ede8]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x58341b91a839 - std[52045bcf8610ede8]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x58341b95c99a - <&dyn core[b0205bc8f40a162d]::ops::function::Fn<(), Output = i32> + core[b0205bc8f40a162d]::panic::unwind_safe::RefUnwindSafe + core[b0205bc8f40a162d]::marker::Sync as core[b0205bc8f40a162d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x58341b95c99a - std[52045bcf8610ede8]::panicking::catch_unwind::do_call::<&dyn core[b0205bc8f40a162d]::ops::function::Fn<(), Output = i32> + core[b0205bc8f40a162d]::panic::unwind_safe::RefUnwindSafe + core[b0205bc8f40a162d]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x58341b95c99a - std[52045bcf8610ede8]::panicking::catch_unwind::<i32, &dyn core[b0205bc8f40a162d]::ops::function::Fn<(), Output = i32> + core[b0205bc8f40a162d]::panic::unwind_safe::RefUnwindSafe + core[b0205bc8f40a162d]::marker::Sync>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x58341b95c99a - std[52045bcf8610ede8]::panic::catch_unwind::<&dyn core[b0205bc8f40a162d]::ops::function::Fn<(), Output = i32> + core[b0205bc8f40a162d]::panic::unwind_safe::RefUnwindSafe + core[b0205bc8f40a162d]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x58341b95c99a - std[52045bcf8610ede8]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x58341b95c99a - std[52045bcf8610ede8]::panicking::catch_unwind::do_call::<std[52045bcf8610ede8]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x58341b95c99a - std[52045bcf8610ede8]::panicking::catch_unwind::<isize, std[52045bcf8610ede8]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x58341b95c99a - std[52045bcf8610ede8]::panic::catch_unwind::<std[52045bcf8610ede8]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x58341b95c99a - std[52045bcf8610ede8]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x58341b919e01 - std[52045bcf8610ede8]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x58341b91d435 - main
[INFO] [stderr]     33:     0x73537106a1ca - <unknown>
[INFO] [stderr]     34:     0x73537106a28b - __libc_start_main
[INFO] [stderr]     35:     0x58341b919255 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a6bfdb97e7715013f5b1a1a652613a1e553e1e44f7df9bee1ad6d8f0b311513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6bfdb97e7715013f5b1a1a652613a1e553e1e44f7df9bee1ad6d8f0b311513", kill_on_drop: false }`
[INFO] [stdout] 3a6bfdb97e7715013f5b1a1a652613a1e553e1e44f7df9bee1ad6d8f0b311513