[INFO] fetching crate sysnames 0.1.3...
[INFO] testing sysnames-0.1.3 against try#028592fec99e54cc92def5a2a849c673b066dd93 for pr-146098
[INFO] extracting crate sysnames 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sysnames 0.1.3
[INFO] finished tweaking crates.io crate sysnames 0.1.3
[INFO] tweaked toml for crates.io crate sysnames 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sysnames 0.1.3 on toolchain 028592fec99e54cc92def5a2a849c673b066dd93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028592fec99e54cc92def5a2a849c673b066dd93" "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" "+028592fec99e54cc92def5a2a849c673b066dd93" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028592fec99e54cc92def5a2a849c673b066dd93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3618fce4c73e800a4eff81486e5225030af72798f02a9ef1ad6a25f26337e5af
[INFO] running `Command { std: "docker" "start" "-a" "3618fce4c73e800a4eff81486e5225030af72798f02a9ef1ad6a25f26337e5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3618fce4c73e800a4eff81486e5225030af72798f02a9ef1ad6a25f26337e5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3618fce4c73e800a4eff81486e5225030af72798f02a9ef1ad6a25f26337e5af", kill_on_drop: false }`
[INFO] [stdout] 3618fce4c73e800a4eff81486e5225030af72798f02a9ef1ad6a25f26337e5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+028592fec99e54cc92def5a2a849c673b066dd93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34bb9d8c98fbd1677ad78a7d8e7f678c132ca220ee069af8fc4d59a312c9f8d4
[INFO] running `Command { std: "docker" "start" "-a" "34bb9d8c98fbd1677ad78a7d8e7f678c132ca220ee069af8fc4d59a312c9f8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling sysnames v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `sysnames v0.1.3 (/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/sysnames-ec01eb0f4ed272b8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=syscalls-table
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '028592fec99e54cc92def5a2a849c673b066dd93'.
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (116) panicked at build.rs:118:5:
[INFO] [stderr]   assertion failed: status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64c43ee6e152 - std::backtrace_rs::backtrace::libunwind::trace::hcbb09259ca22005c
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64c43ee6e152 - std::backtrace_rs::backtrace::trace_unsynchronized::h0fac8c223cd6e456
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64c43ee6e152 - std::sys::backtrace::_print_fmt::he5f2b5e0c66ce66e
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x64c43ee6e152 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haf29e060fb6137a9
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x64c43ee7d9df - core::fmt::rt::Argument::fmt::h596977d9d4f722b0
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x64c43ee7d9df - core::fmt::write::h0ee4d44b8e20572d
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x64c43ee42ee1 - std::io::default_write_fmt::h763f5fc94ffb8fa4
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x64c43ee42ee1 - std::io::Write::write_fmt::h3255f61ab3a84b50
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x64c43ee4cdc2 - std::sys::backtrace::BacktraceLock::print::h3db71735b2a2861b
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x64c43ee4ed3c - std::panicking::default_hook::{{closure}}::h0168a26bb62ec69b
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x64c43ee4eb96 - std::panicking::default_hook::h7454a6fd0ab61b64
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x64c43ee4f3c5 - std::panicking::panic_with_hook::h2d45a49bfd4e6ec4
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x64c43ee4f226 - std::panicking::panic_handler::{{closure}}::h37f0f43a266cd34d
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x64c43ee4cef9 - std::sys::backtrace::__rust_end_short_backtrace::h1ed0bd8883e4d747
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x64c43ee3778d - __rustc[92da9811a626c906]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x64c43ee812f0 - core::panicking::panic_fmt::hc1117383da035bf0
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x64c43ee812cc - core::panicking::panic::hb76470d3d1479b1b
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/core/src/panicking.rs:148:5
[INFO] [stderr]     17:     0x64c43ee0d36c - build_script_build::generate::hc01b46ba8e786c58
[INFO] [stderr]     18:     0x64c43ee0c528 - build_script_build::main::h9d12f2460d7eaa07
[INFO] [stderr]     19:     0x64c43ee09b33 - core::ops::function::FnOnce::call_once::ha390eb5d6d7eb9e5
[INFO] [stderr]     20:     0x64c43ee115b6 - std::sys::backtrace::__rust_begin_short_backtrace::h550b64c6b750c009
[INFO] [stderr]     21:     0x64c43ee095c9 - std::rt::lang_start::{{closure}}::hb9b98fde1ca1ed55
[INFO] [stderr]     22:     0x64c43ee447e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5ebf71c5e4058f5
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x64c43ee447e0 - std::panicking::catch_unwind::do_call::h99d63385d30e2203
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x64c43ee447e0 - std::panicking::catch_unwind::hdbaffb291393f38e
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x64c43ee447e0 - std::panic::catch_unwind::hf7dbd8ee5462ff74
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x64c43ee447e0 - std::rt::lang_start_internal::{{closure}}::hea25e4193f841299
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x64c43ee447e0 - std::panicking::catch_unwind::do_call::h184c143efff27042
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x64c43ee447e0 - std::panicking::catch_unwind::he4c032670b9f8931
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x64c43ee447e0 - std::panic::catch_unwind::h8c9476ae1d027606
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x64c43ee447e0 - std::rt::lang_start_internal::h84384eff259c4dfe
[INFO] [stderr]                                  at /rustc/028592fec99e54cc92def5a2a849c673b066dd93/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x64c43ee095b1 - std::rt::lang_start::h2eda52a1effb2717
[INFO] [stderr]     32:     0x64c43ee10de5 - main
[INFO] [stderr]     33:     0x7ef6b6fca1ca - <unknown>
[INFO] [stderr]     34:     0x7ef6b6fca28b - __libc_start_main
[INFO] [stderr]     35:     0x64c43ee03f25 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "34bb9d8c98fbd1677ad78a7d8e7f678c132ca220ee069af8fc4d59a312c9f8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bb9d8c98fbd1677ad78a7d8e7f678c132ca220ee069af8fc4d59a312c9f8d4", kill_on_drop: false }`
[INFO] [stdout] 34bb9d8c98fbd1677ad78a7d8e7f678c132ca220ee069af8fc4d59a312c9f8d4