[INFO] fetching crate uu_stdbuf 0.0.8...
[INFO] testing uu_stdbuf-0.0.8 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate uu_stdbuf 0.0.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_stdbuf 0.0.8 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_stdbuf 0.0.8
[INFO] finished tweaking crates.io crate uu_stdbuf 0.0.8
[INFO] tweaked toml for crates.io crate uu_stdbuf 0.0.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_stdbuf 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uu_stdbuf_libstdbuf v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20edc6baa3d0ab369b62e9584de720b1ebf75a8ba914018e40bf3443c7181e13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20edc6baa3d0ab369b62e9584de720b1ebf75a8ba914018e40bf3443c7181e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20edc6baa3d0ab369b62e9584de720b1ebf75a8ba914018e40bf3443c7181e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20edc6baa3d0ab369b62e9584de720b1ebf75a8ba914018e40bf3443c7181e13", kill_on_drop: false }`
[INFO] [stdout] 20edc6baa3d0ab369b62e9584de720b1ebf75a8ba914018e40bf3443c7181e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21bb54a21e835d10b9e5f272fd2aee27b1287933666e753827b50802bd748716
[INFO] running `Command { std: "docker" "start" "-a" "21bb54a21e835d10b9e5f272fd2aee27b1287933666e753827b50802bd748716", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_common v0.4.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cpp_build v0.4.0
[INFO] [stderr]    Compiling uucore v0.0.10
[INFO] [stderr]    Compiling uu_stdbuf_libstdbuf v0.0.8
[INFO] [stderr]    Compiling cpp_common v0.5.6
[INFO] [stderr]    Compiling cpp_macros v0.5.6
[INFO] [stderr]    Compiling uucore_procs v0.0.7
[INFO] [stderr]    Compiling cpp v0.5.6
[INFO] [stderr]    Compiling uu_stdbuf v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `uu_stdbuf v0.0.8 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/uu_stdbuf-9adee167280a88ae/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:35:67
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5633bb4bb09c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5633bb4bb09c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5633bb4bb09c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5633bb4bb09c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5633bb4d601c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x5633bb4b89b5 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x5633bb4bc6a0 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5633bb4bc6a0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5633bb4bc6a0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x5633bb4bc24b - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x5633bb4bcd54 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x5633bb4bc830 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x5633bb4bb554 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5633bb4bc799 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x5633bb4a2d81 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14
[INFO] [stderr]     15:     0x5633bb4a2e13 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x5633bb4a5a90 - core::result::Result<T,E>::unwrap::h85feccabf3aac478
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1295:23
[INFO] [stderr]     17:     0x5633bb4a4abb - build_script_build::main::hbda7da99ac1d6eea
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:35:5
[INFO] [stderr]     18:     0x5633bb4a691b - core::ops::function::FnOnce::call_once::h186448cd391caf37
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5633bb4a5f2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h32a21670c92d1031
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x5633bb4a5ce1 - std::rt::lang_start::{{closure}}::h72c3d34505db22c2
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x5633bb4ba8e1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5633bb4ba8e1 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x5633bb4ba8e1 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x5633bb4ba8e1 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x5633bb4ba8e1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x5633bb4ba8e1 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x5633bb4ba8e1 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x5633bb4ba8e1 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x5633bb4ba8e1 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x5633bb4a5cb0 - std::rt::lang_start::ha0258340f80cbdce
[INFO] [stderr]                                  at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x5633bb4a4b9c - main
[INFO] [stderr]     32:     0x7fbac80320b3 - __libc_start_main
[INFO] [stderr]     33:     0x5633bb4a349e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "21bb54a21e835d10b9e5f272fd2aee27b1287933666e753827b50802bd748716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bb54a21e835d10b9e5f272fd2aee27b1287933666e753827b50802bd748716", kill_on_drop: false }`
[INFO] [stdout] 21bb54a21e835d10b9e5f272fd2aee27b1287933666e753827b50802bd748716