[INFO] fetching crate bandsocks 0.2.1...
[INFO] documenting bandsocks-0.2.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate bandsocks 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bandsocks 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bandsocks 0.2.1
[INFO] finished tweaking crates.io crate bandsocks 0.2.1
[INFO] tweaked toml for crates.io crate bandsocks 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate bandsocks 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3245cd189751d3bbb07f54c316d4ede3d7d36cea284843e9e152395b04119a2
[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" "f3245cd189751d3bbb07f54c316d4ede3d7d36cea284843e9e152395b04119a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3245cd189751d3bbb07f54c316d4ede3d7d36cea284843e9e152395b04119a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3245cd189751d3bbb07f54c316d4ede3d7d36cea284843e9e152395b04119a2", kill_on_drop: false }`
[INFO] [stdout] f3245cd189751d3bbb07f54c316d4ede3d7d36cea284843e9e152395b04119a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98be68b20b04261d6302b0332778b53419acd52dfe03e9376105d72b8874954a
[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" "98be68b20b04261d6302b0332778b53419acd52dfe03e9376105d72b8874954a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling build-deps v0.1.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]    Compiling bandsocks v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr] error: failed to run custom build command for `bandsocks v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/bandsocks-719d6b6dcef6d896/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=sand/sand-Cargo.toml
[INFO] [stderr]   cargo:rerun-if-changed=sand/sand-Cargo.lock
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/abi.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/binformat/elf64.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/binformat/mod.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/binformat/script.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/init.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/ipc.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/lib.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/main.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/nolibc.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/parser.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/loader.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/maps.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/mod.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/stack.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/syscall.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/table.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/process/task.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/protocol.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/ptrace.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/remote/mem.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/remote/mod.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/remote/scratchpad.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/remote/trampoline.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/seccomp.rs
[INFO] [stderr]   cargo:rerun-if-changed=sand/src/tracer.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: toolchain 'nightly-x86_64-unknown-linux-gnu' is not installed
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: result.unwrap().success()', build.rs:42:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562824b03f50 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x562824b03f50 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562824b03f50 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x562824b03f50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x562824b22a6c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x562824b01cf5 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x562824b0606b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x562824b0606b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x562824b0606b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x562824b05b41 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x562824b06734 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x562824b061e7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x562824b0444c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x562824b06179 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x562824ab7381 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562824ab72cd - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x562824abf837 - build_script_build::main::h4b832a6ce9ed9a1e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:42:9
[INFO] [stderr]     17:     0x562824ac12cb - core::ops::function::FnOnce::call_once::hce1a06bb8b7a3d9c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x562824ac45ae - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8832fa6e68bf078
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x562824ac0151 - std::rt::lang_start::{{closure}}::h1b536a41ae155134
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     20:     0x562824b06c39 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x562824b06c39 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x562824b06c39 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x562824b06c39 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x562824b06c39 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     25:     0x562824ac0130 - std::rt::lang_start::h749fd19a20b98e6e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     26:     0x562824abf9fc - main
[INFO] [stderr]     27:     0x7f405ac2d0b3 - __libc_start_main
[INFO] [stderr]     28:     0x562824ab7ade - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "98be68b20b04261d6302b0332778b53419acd52dfe03e9376105d72b8874954a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98be68b20b04261d6302b0332778b53419acd52dfe03e9376105d72b8874954a", kill_on_drop: false }`
[INFO] [stdout] 98be68b20b04261d6302b0332778b53419acd52dfe03e9376105d72b8874954a
