[INFO] fetching crate tnt-lib 0.1.4...
[INFO] testing tnt-lib-0.1.4 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tnt-lib 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tnt-lib 0.1.4
[INFO] finished tweaking crates.io crate tnt-lib 0.1.4
[INFO] tweaked toml for crates.io crate tnt-lib 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tnt-lib 0.1.4 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8eefbf076bb61a3f703b7e038c8b5373a5aedd478c2295b9f5dd5522085adcf
[INFO] running `Command { std: "docker" "start" "-a" "b8eefbf076bb61a3f703b7e038c8b5373a5aedd478c2295b9f5dd5522085adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8eefbf076bb61a3f703b7e038c8b5373a5aedd478c2295b9f5dd5522085adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8eefbf076bb61a3f703b7e038c8b5373a5aedd478c2295b9f5dd5522085adcf", kill_on_drop: false }`
[INFO] [stdout] b8eefbf076bb61a3f703b7e038c8b5373a5aedd478c2295b9f5dd5522085adcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b929abfd70acc09394f0f8107476853250a127bc1be5295dbe2dc7f52de6b0f1
[INFO] running `Command { std: "docker" "start" "-a" "b929abfd70acc09394f0f8107476853250a127bc1be5295dbe2dc7f52de6b0f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.186
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling cxx v1.0.186
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling cxx-build v1.0.186
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.186
[INFO] [stderr]    Compiling tnt-lib v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `tnt-lib v0.1.4 (/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/tnt-lib-1243b75aedff4675/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (629) panicked at build.rs:5:45:
[INFO] [stderr]   Failed to spawn child process: Os { code: 13, kind: PermissionDenied, message: "Permission denied" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x587e14425a92 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x587e14425a92 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x587e14425a92 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x587e14425a92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x587e144366ef - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x587e144366ef - core::fmt::write::hcd056e06a609f600
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x587e143f3281 - std::io::default_write_fmt::h45f0f9de0268fdcb
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x587e143f3281 - std::io::Write::write_fmt::hc685c74e0b8ce55d
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x587e143ff2c2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x587e1440258f - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x587e144023e9 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x587e14402cc5 - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x587e14402aaa - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x587e143ff409 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x587e143e64cd - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x587e1443a7f0 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x587e14439b26 - core::result::unwrap_failed::h38baee32fdec5ac8
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x587e1410c27c - core::result::Result<T,E>::expect::heb81057635bc3ec6
[INFO] [stderr]     18:     0x587e1410b3f5 - build_script_build::main::he709dd95e78b0636
[INFO] [stderr]     19:     0x587e1410bb83 - core::ops::function::FnOnce::call_once::haa65bcb8af514f06
[INFO] [stderr]     20:     0x587e1410b9a6 - std::sys::backtrace::__rust_begin_short_backtrace::hf3a868cb68f532f8
[INFO] [stderr]     21:     0x587e1410b989 - std::rt::lang_start::{{closure}}::h5634b7ed706bed40
[INFO] [stderr]     22:     0x587e143f4c90 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h387c5546b57ddfde
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x587e143f4c90 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x587e143f4c90 - std::panicking::catch_unwind::hc213e1339e7313f3
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x587e143f4c90 - std::panic::catch_unwind::h7e2e13142bd98e67
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x587e143f4c90 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x587e143f4c90 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x587e143f4c90 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x587e143f4c90 - std::panic::catch_unwind::hf2cef20feb3addd6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x587e143f4c90 - std::rt::lang_start_internal::h1ca864a6b9355c57
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x587e1410b971 - std::rt::lang_start::h5c07462be078da72
[INFO] [stderr]     32:     0x587e1410d795 - main
[INFO] [stderr]     33:     0x75620fa4d1ca - <unknown>
[INFO] [stderr]     34:     0x75620fa4d28b - __libc_start_main
[INFO] [stderr]     35:     0x587e1410b0f5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b929abfd70acc09394f0f8107476853250a127bc1be5295dbe2dc7f52de6b0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b929abfd70acc09394f0f8107476853250a127bc1be5295dbe2dc7f52de6b0f1", kill_on_drop: false }`
[INFO] [stdout] b929abfd70acc09394f0f8107476853250a127bc1be5295dbe2dc7f52de6b0f1