[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#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[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] 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] validating manifest of git repo https://github.com/rulynx/libbase64 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f86de6d42ae2122e604186321e5a0c6bf3060fa5a6701224071b362f9d60963
[INFO] running `Command { std: "docker" "start" "-a" "8f86de6d42ae2122e604186321e5a0c6bf3060fa5a6701224071b362f9d60963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f86de6d42ae2122e604186321e5a0c6bf3060fa5a6701224071b362f9d60963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f86de6d42ae2122e604186321e5a0c6bf3060fa5a6701224071b362f9d60963", kill_on_drop: false }`
[INFO] [stdout] 8f86de6d42ae2122e604186321e5a0c6bf3060fa5a6701224071b362f9d60963
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1fce70a4b4321931b2c4aad451e9b30d230b1479d8c24a5052cd5b4ecd9f16
[INFO] running `Command { std: "docker" "start" "-a" "9d1fce70a4b4321931b2c4aad451e9b30d230b1479d8c24a5052cd5b4ecd9f16", 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]    Compiling 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-18af5e079a744dcf/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:     0x5a806c16daf2 - std::backtrace_rs::backtrace::libunwind::trace::h33b962fda734852f
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a806c16daf2 - std::backtrace_rs::backtrace::trace_unsynchronized::h034d9edac7136aa8
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a806c16daf2 - std::sys::backtrace::_print_fmt::h4f5fce585007dfb4
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a806c16daf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb3e677fccea623b2
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a806c189e43 - core::fmt::rt::Argument::fmt::h36e568509f44a6fc
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5a806c189e43 - core::fmt::write::hd6f2c1bb61942de7
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5a806c16b2d3 - std::io::default_write_fmt::h5f8a1449d2cfc38e
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a806c16b2d3 - std::io::Write::write_fmt::h5d1a1806e0848b2a
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5a806c16d942 - std::sys::backtrace::BacktraceLock::print::hd6a50da038f762db
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5a806c16ed03 - std::panicking::default_hook::{{closure}}::h5f64c547744b1a22
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5a806c16eae5 - std::panicking::default_hook::ha0457b9b36d0ebf5
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5a806c16f5d5 - std::panicking::rust_panic_with_hook::h6ecaf340bf713760
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5a806c16f46a - std::panicking::begin_panic_handler::{{closure}}::h056567f43d02e129
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5a806c16dfe9 - std::sys::backtrace::__rust_end_short_backtrace::ha3a023d2508e74de
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5a806c16f0fd - __rustc[ad95bd7540fcd1eb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5a806c189070 - core::panicking::panic_fmt::h4c6bc5cb2c10922d
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5a806c13ca82 - build_script_build::main::hfd28153c67c78758
[INFO] [stderr]     17:     0x5a806c138d93 - core::ops::function::FnOnce::call_once::hf1b7f9ca7906a471
[INFO] [stderr]     18:     0x5a806c138ac6 - std::sys::backtrace::__rust_begin_short_backtrace::h7242eadc2d1dff85
[INFO] [stderr]     19:     0x5a806c138a29 - std::rt::lang_start::{{closure}}::hbcfba202f50d5ead
[INFO] [stderr]     20:     0x5a806c1682f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8cf7ed8a73d3231e
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     21:     0x5a806c1682f0 - std::panicking::catch_unwind::do_call::h0275b2b2af30294a
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x5a806c1682f0 - std::panicking::catch_unwind::h12f326ffce9b0930
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x5a806c1682f0 - std::panic::catch_unwind::h207d1126334344ee
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5a806c1682f0 - std::rt::lang_start_internal::{{closure}}::h6a528364cebeca77
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5a806c1682f0 - std::panicking::catch_unwind::do_call::hf45550d13e19a686
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x5a806c1682f0 - std::panicking::catch_unwind::h6b234f881907df49
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x5a806c1682f0 - std::panic::catch_unwind::h92366e67e204c0e4
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5a806c1682f0 - std::rt::lang_start_internal::h8e1b82c883081a0d
[INFO] [stderr]                                  at /rustc/fafe42c59556a4233f03dd0d900b575a9afeece8/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5a806c138a11 - std::rt::lang_start::h1a6f06f8584d70e6
[INFO] [stderr]     30:     0x5a806c13cad5 - main
[INFO] [stderr]     31:     0x7a08ee1081ca - <unknown>
[INFO] [stderr]     32:     0x7a08ee10828b - __libc_start_main
[INFO] [stderr]     33:     0x5a806c138605 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d1fce70a4b4321931b2c4aad451e9b30d230b1479d8c24a5052cd5b4ecd9f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1fce70a4b4321931b2c4aad451e9b30d230b1479d8c24a5052cd5b4ecd9f16", kill_on_drop: false }`
[INFO] [stdout] 9d1fce70a4b4321931b2c4aad451e9b30d230b1479d8c24a5052cd5b4ecd9f16