[INFO] cloning repository https://github.com/rulynx/libbase64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rulynx/libbase64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulynx%2Flibbase64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulynx%2Flibbase64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25dace2cee6e17e56ad359c85e16cebe3d46c07c
[INFO] checking rulynx/libbase64 against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulynx%2Flibbase64" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rulynx/libbase64 on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rulynx/libbase64
[INFO] finished tweaking git repo https://github.com/rulynx/libbase64
[INFO] tweaked toml for git repo https://github.com/rulynx/libbase64 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rulynx/libbase64 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6f38122692c70e9978253303567b94ff4913ac0ea75efc24ed6bd311ae3262c
[INFO] running `Command { std: "docker" "start" "-a" "b6f38122692c70e9978253303567b94ff4913ac0ea75efc24ed6bd311ae3262c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f38122692c70e9978253303567b94ff4913ac0ea75efc24ed6bd311ae3262c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f38122692c70e9978253303567b94ff4913ac0ea75efc24ed6bd311ae3262c", kill_on_drop: false }`
[INFO] [stdout] b6f38122692c70e9978253303567b94ff4913ac0ea75efc24ed6bd311ae3262c
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e6e4f6283aa19b2f23518bbc72592bad43d15c792939c0af652f8d7dcd266dd
[INFO] running `Command { std: "docker" "start" "-a" "3e6e4f6283aa19b2f23518bbc72592bad43d15c792939c0af652f8d7dcd266dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.72
[INFO] [stderr]    Compiling libbase64-sys v0.1.2-alpha.0 (/opt/rustwide/workdir/sys)
[INFO] [stderr]     Checking libbase64-derive v0.1.2-alpha.0 (/opt/rustwide/workdir/derive)
[INFO] [stderr] error: failed to run custom build command for `libbase64-sys v0.1.2-alpha.0 (/opt/rustwide/workdir/sys)`
[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/libbase64-sys-170e1d791c3d486e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at sys/build.rs:73:17:
[INFO] [stderr]   Can't find libb64.a and/or libb64.so in /usr/lib
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e32d7e52062 - std::backtrace_rs::backtrace::libunwind::trace::h135dc095a185fe70
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e32d7e52062 - std::backtrace_rs::backtrace::trace_unsynchronized::hab5abcd602dd0bb4
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e32d7e52062 - std::sys::backtrace::_print_fmt::h0e2f407715b35e1b
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e32d7e52062 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he17812fd1fd61d4b
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e32d7e6d863 - core::fmt::rt::Argument::fmt::h316a5897cd5c0780
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/core/src/fmt/rt.rs:178:76
[INFO] [stderr]      5:     0x5e32d7e6d863 - core::fmt::write::hb0ea89936787c666
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/core/src/fmt/mod.rs:1481:21
[INFO] [stderr]      6:     0x5e32d7e4f8e3 - std::io::default_write_fmt::h0723da4d8322aee7
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e32d7e4f8e3 - std::io::Write::write_fmt::ha65f9abeb09e1f68
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5e32d7e51eb2 - std::sys::backtrace::BacktraceLock::print::hed0727362d9cc631
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e32d7e53272 - std::panicking::default_hook::{{closure}}::h9ec08bd26701bf5a
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5e32d7e53075 - std::panicking::default_hook::hfc0b33f2e0140097
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5e32d7e53b42 - std::panicking::rust_panic_with_hook::hebca341e844206eb
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5e32d7e539da - std::panicking::begin_panic_handler::{{closure}}::hfcdb59e38dc78f11
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5e32d7e52559 - std::sys::backtrace::__rust_end_short_backtrace::h1a78b831a39b2416
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5e32d7e5366d - __rustc[6cce76d6330ed36d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5e32d7e6ca70 - core::panicking::panic_fmt::h3f495fee7e97df3b
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e32d7e2349b - build_script_build::main::h51289dc1cfcb09d6
[INFO] [stderr]     17:     0x5e32d7e1fc43 - core::ops::function::FnOnce::call_once::h06297068f5affbc8
[INFO] [stderr]     18:     0x5e32d7e1f656 - std::sys::backtrace::__rust_begin_short_backtrace::hdf7e0b1eed2cebef
[INFO] [stderr]     19:     0x5e32d7e1f5b9 - std::rt::lang_start::{{closure}}::h3d5bd1abe4d3fb7a
[INFO] [stderr]     20:     0x5e32d7e4c780 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd77d74629f46e80c
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5e32d7e4c780 - std::panicking::try::do_call::h2a9b81d1cf675015
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x5e32d7e4c780 - std::panicking::try::hc2e6d981e641e2a8
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x5e32d7e4c780 - std::panic::catch_unwind::hff9c1bc5158357b8
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5e32d7e4c780 - std::rt::lang_start_internal::{{closure}}::h35da47699a5190ec
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x5e32d7e4c780 - std::panicking::try::do_call::h62a437385e02e854
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x5e32d7e4c780 - std::panicking::try::h58ca4e67d614205c
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x5e32d7e4c780 - std::panic::catch_unwind::h40a6b64a2c216a9a
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5e32d7e4c780 - std::rt::lang_start_internal::haccfe32a41e6a35e
[INFO] [stderr]                                  at /rustc/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x5e32d7e1f5a1 - std::rt::lang_start::hca347025d18c7351
[INFO] [stderr]     30:     0x5e32d7e234f5 - main
[INFO] [stderr]     31:     0x77846630c1ca - <unknown>
[INFO] [stderr]     32:     0x77846630c28b - __libc_start_main
[INFO] [stderr]     33:     0x5e32d7e1f185 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e6e4f6283aa19b2f23518bbc72592bad43d15c792939c0af652f8d7dcd266dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6e4f6283aa19b2f23518bbc72592bad43d15c792939c0af652f8d7dcd266dd", kill_on_drop: false }`
[INFO] [stdout] 3e6e4f6283aa19b2f23518bbc72592bad43d15c792939c0af652f8d7dcd266dd