[INFO] fetching crate lean-rs-worker 0.1.7...
[INFO] fixing lean-rs-worker-0.1.7 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate lean-rs-worker 0.1.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lean-rs-worker 0.1.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lean-rs-worker 0.1.7
[INFO] tweaked toml for crates.io crate lean-rs-worker 0.1.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lean-rs-worker 0.1.7 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lean-rs-worker 0.1.7 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dhat v0.3.3
[INFO] [stderr]   Downloaded mintex v0.1.4
[INFO] [stderr]   Downloaded lean-toolchain v0.1.7
[INFO] [stderr]   Downloaded lean-rs-sys v0.1.7
[INFO] [stderr]   Downloaded lean-rs v0.1.7
[INFO] [stderr]   Downloaded lean-rs-host v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b
[INFO] running `Command { std: "docker" "start" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lean-rs v0.1.7
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling lean-rs-host v0.1.7
[INFO] [stderr]    Compiling lean-rs-worker v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling hybrid-array v0.4.12
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.12.0
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking mintex v0.1.4
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stderr]    Compiling lean-rs-sys v0.1.7
[INFO] [stderr]    Compiling lean-toolchain v0.1.7
[INFO] [stderr] error: failed to run custom build command for `lean-rs-sys v0.1.7`
[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/lean-rs-sys-f4c3ff5e12d95fd1/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (441) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lean-rs-sys-0.1.7/build.rs:220:5:
[INFO] [stderr]   lean-rs-sys: could not locate a Lean toolchain prefix. Tried:
[INFO] [stderr]     - LEAN_SYSROOT unset
[INFO] [stderr]     - `lean --print-prefix` failed: No such file or directory (os error 2)
[INFO] [stderr]     - ELAN_HOME unset
[INFO] [stderr]     - fixture prefix: `lake env --print-prefix` unavailable
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64b59aea5ae8 - std[5c0eaf5403f5fa91]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64b59aea5ae8 - std[5c0eaf5403f5fa91]::backtrace_rs::backtrace::trace_unsynchronized::<std[5c0eaf5403f5fa91]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64b59aea5ae8 - std[5c0eaf5403f5fa91]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x64b59aea5ae8 - <<std[5c0eaf5403f5fa91]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6b4415987d471b61]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x64b59aeb70fa - <core[6b4415987d471b61]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x64b59aeb70fa - core[6b4415987d471b61]::fmt::write
[INFO] [stderr]      6:     0x64b59aea9ce2 - std[5c0eaf5403f5fa91]::io::default_write_fmt::<std[5c0eaf5403f5fa91]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/io/mod.rs:623:11
[INFO] [stderr]      7:     0x64b59aea9ce2 - <std[5c0eaf5403f5fa91]::sys::stdio::unix::Stderr as std[5c0eaf5403f5fa91]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/io/mod.rs:1661:13
[INFO] [stderr]      8:     0x64b59ae8ab26 - <std[5c0eaf5403f5fa91]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x64b59ae8ab26 - std[5c0eaf5403f5fa91]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x64b59aea1011 - std[5c0eaf5403f5fa91]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x64b59aea11cb - std[5c0eaf5403f5fa91]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:814:13
[INFO] [stderr]     12:     0x64b59ae8abe2 - std[5c0eaf5403f5fa91]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:687:13
[INFO] [stderr]     13:     0x64b59ae7fdf9 - std[5c0eaf5403f5fa91]::sys::backtrace::__rust_end_short_backtrace::<std[5c0eaf5403f5fa91]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x64b59ae8b44d - __rustc[33ffaff69ac0afe3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:678:5
[INFO] [stderr]     15:     0x64b59aeb782c - core[6b4415987d471b61]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x64b59ae590a2 - build_script_build[75a854afa3542b23]::discover_lean_prefix
[INFO] [stderr]     17:     0x64b59ae5a26c - build_script_build[75a854afa3542b23]::main
[INFO] [stderr]     18:     0x64b59ae650a3 - <fn() as core[6b4415987d471b61]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x64b59ae611c6 - std[5c0eaf5403f5fa91]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x64b59ae55c69 - std[5c0eaf5403f5fa91]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x64b59aea03f7 - <&dyn core[6b4415987d471b61]::ops::function::Fn<(), Output = i32> + core[6b4415987d471b61]::panic::unwind_safe::RefUnwindSafe + core[6b4415987d471b61]::marker::Sync as core[6b4415987d471b61]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panicking::catch_unwind::do_call::<&dyn core[6b4415987d471b61]::ops::function::Fn<(), Output = i32> + core[6b4415987d471b61]::panic::unwind_safe::RefUnwindSafe + core[6b4415987d471b61]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:575:43
[INFO] [stderr]     23:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panicking::catch_unwind::<i32, &dyn core[6b4415987d471b61]::ops::function::Fn<(), Output = i32> + core[6b4415987d471b61]::panic::unwind_safe::RefUnwindSafe + core[6b4415987d471b61]::marker::Sync>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:543:19
[INFO] [stderr]     24:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panic::catch_unwind::<&dyn core[6b4415987d471b61]::ops::function::Fn<(), Output = i32> + core[6b4415987d471b61]::panic::unwind_safe::RefUnwindSafe + core[6b4415987d471b61]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panicking::catch_unwind::do_call::<std[5c0eaf5403f5fa91]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:575:43
[INFO] [stderr]     27:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panicking::catch_unwind::<isize, std[5c0eaf5403f5fa91]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panicking.rs:543:19
[INFO] [stderr]     28:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::panic::catch_unwind::<std[5c0eaf5403f5fa91]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x64b59aea03f7 - std[5c0eaf5403f5fa91]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x64b59ae54431 - std[5c0eaf5403f5fa91]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x64b59ae5ede5 - main
[INFO] [stderr]     32:     0x7e8ba018d1ca - <unknown>
[INFO] [stderr]     33:     0x7e8ba018d28b - __libc_start_main
[INFO] [stderr]     34:     0x64b59ae53f45 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b", kill_on_drop: false }`
[INFO] [stdout] 903be91aabcb51262cf78cb2ef87f64392851644c02f655a180d29ac0b60816b
