[INFO] fetching crate static-server 0.0.11...
[INFO] checking static-server-0.0.11 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate static-server 0.0.11 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate static-server 0.0.11 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate static-server 0.0.11
[INFO] finished tweaking crates.io crate static-server 0.0.11
[INFO] tweaked toml for crates.io crate static-server 0.0.11 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a8bd71d6cf2cc48508c22824fa249ad3020793568a081968a6e5542c51aef8
[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" "12a8bd71d6cf2cc48508c22824fa249ad3020793568a081968a6e5542c51aef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a8bd71d6cf2cc48508c22824fa249ad3020793568a081968a6e5542c51aef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a8bd71d6cf2cc48508c22824fa249ad3020793568a081968a6e5542c51aef8", kill_on_drop: false }`
[INFO] [stdout] 12a8bd71d6cf2cc48508c22824fa249ad3020793568a081968a6e5542c51aef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d7f181f462edbb4b7b221890f7e8077b508efc8f46b05981cf567aa503945e9
[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" "7d7f181f462edbb4b7b221890f7e8077b508efc8f46b05981cf567aa503945e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling static-server v0.0.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr] error: failed to run custom build command for `static-server v0.0.11 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/static-server-84f84b6a595f84a5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   tar: examples/static.tar: Cannot open: Read-only file system
[INFO] [stderr]   tar: Error is not recoverable: exiting now
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: ret.success()', build.rs:12:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bb11efa410 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bb11efa410 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bb11efa410 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bb11efa410 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bb11f170ac - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55bb11ef8bc5 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x55bb11efc03b - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bb11efc03b - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bb11efc03b - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bb11efbb11 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bb11efc704 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55bb11efc1b7 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55bb11efa90c - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bb11efc149 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55bb11ee3031 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55bb11ee2f7d - core::panicking::panic::h607cffdabb38afd3
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55bb11ee8546 - build_script_build::main::h2ed1ce342c522cf2
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:12:5
[INFO] [stderr]     17:     0x55bb11ee696b - core::ops::function::FnOnce::call_once::h3992ea882212b998
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x55bb11ee55ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h27583a5c28559ad5
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x55bb11ee5681 - std::rt::lang_start::{{closure}}::h98e3a9d6e8662d92
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:63:18
[INFO] [stderr]     20:     0x55bb11efcc0a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x55bb11efcc0a - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x55bb11efcc0a - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x55bb11efcc0a - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x55bb11efcc0a - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45:48
[INFO] [stderr]     25:     0x55bb11efcc0a - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x55bb11efcc0a - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x55bb11efcc0a - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x55bb11efcc0a - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45:20
[INFO] [stderr]     29:     0x55bb11ee5650 - std::rt::lang_start::h499fb9d140bc29c9
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:62:5
[INFO] [stderr]     30:     0x55bb11ee859c - main
[INFO] [stderr]     31:     0x7fb35bc9e0b3 - __libc_start_main
[INFO] [stderr]     32:     0x55bb11ee378e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7d7f181f462edbb4b7b221890f7e8077b508efc8f46b05981cf567aa503945e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7f181f462edbb4b7b221890f7e8077b508efc8f46b05981cf567aa503945e9", kill_on_drop: false }`
[INFO] [stdout] 7d7f181f462edbb4b7b221890f7e8077b508efc8f46b05981cf567aa503945e9