[INFO] cloning repository https://github.com/d33d33/beamium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d33d33/beamium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd33d33%2Fbeamium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd33d33%2Fbeamium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b26f1e0e562c1ee1215cb7403327b40ae211e6d6
[INFO] testing d33d33/beamium against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd33d33%2Fbeamium" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d33d33/beamium on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d33d33/beamium
[INFO] finished tweaking git repo https://github.com/d33d33/beamium
[INFO] tweaked toml for git repo https://github.com/d33d33/beamium written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/d33d33/beamium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded slog-syslog v0.11.0
[INFO] [stderr]   Downloaded syslog v3.3.0
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog-term v2.3.0
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded hyper-timeout v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.0
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded slog v2.1.1
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded slog-async v2.2.0
[INFO] [stderr]   Downloaded take_mut v0.2.0
[INFO] [stderr]   Downloaded tokio-io-timeout v0.1.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5a668b684b791b182aa6112cc0390de1dbd743491ca2005e7eead1caf0dcf42
[INFO] running `Command { std: "docker" "start" "-a" "e5a668b684b791b182aa6112cc0390de1dbd743491ca2005e7eead1caf0dcf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a668b684b791b182aa6112cc0390de1dbd743491ca2005e7eead1caf0dcf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a668b684b791b182aa6112cc0390de1dbd743491ca2005e7eead1caf0dcf42", kill_on_drop: false }`
[INFO] [stdout] e5a668b684b791b182aa6112cc0390de1dbd743491ca2005e7eead1caf0dcf42
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57281368924f4319373ecb4f26599b817799a69f0590fd38e6e7a9d77a518ae2
[INFO] running `Command { std: "docker" "start" "-a" "57281368924f4319373ecb4f26599b817799a69f0590fd38e6e7a9d77a518ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling beamium v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr] error: failed to run custom build command for `beamium v1.7.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/beamium-ff88d3e76f8686a1/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:29:38
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ccf9ab7860 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ccf9ab7860 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ccf9ab7860 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ccf9ab7860 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ccf9ad493c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55ccf9ab5975 - std::io::Write::write_fmt::h6aced00850e8186f
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x55ccf9ab949b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ccf9ab949b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ccf9ab949b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ccf9ab8f71 - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ccf9ab9b64 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55ccf9ab9647 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55ccf9ab7d3c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ccf9ab95a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55ccf9a9a051 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55ccf9a9a0e3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x55ccf9aa10be - core::result::Result<T,E>::unwrap::h197495d1a1ee6dae
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1281:23
[INFO] [stderr]     17:     0x55ccf9a9df8c - build_script_build::main::hb452bfcef3bd55e7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29:19
[INFO] [stderr]     18:     0x55ccf9aa31cb - core::ops::function::FnOnce::call_once::hb39c4c6e93a7abd1
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55ccf9aa2fce - std::sys_common::backtrace::__rust_begin_short_backtrace::h10b3d087cffeb70e
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55ccf9aa2591 - std::rt::lang_start::{{closure}}::hf4a538bddd4d2430
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55ccf9aba06a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5a0483c8d4e9c15d
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55ccf9aba06a - std::panicking::try::do_call::h6ad7918f175f6ddd
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55ccf9aba06a - std::panicking::try::hcd5af58f52320690
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55ccf9aba06a - std::panic::catch_unwind::hf1ae33ba67228f1e
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x55ccf9aba06a - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55ccf9aba06a - std::panicking::try::do_call::h1ade2a52932fc900
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x55ccf9aba06a - std::panicking::try::h6f4a87ad169e174b
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x55ccf9aba06a - std::panic::catch_unwind::h043c7f08019f9e2a
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x55ccf9aba06a - std::rt::lang_start_internal::h82825699ebfd70bd
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55ccf9aa2560 - std::rt::lang_start::h6db6d6b07e7eee28
[INFO] [stderr]                                  at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55ccf9a9e08c - main
[INFO] [stderr]     32:     0x7fd124a5d0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55ccf9a9a7ae - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57281368924f4319373ecb4f26599b817799a69f0590fd38e6e7a9d77a518ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57281368924f4319373ecb4f26599b817799a69f0590fd38e6e7a9d77a518ae2", kill_on_drop: false }`
[INFO] [stdout] 57281368924f4319373ecb4f26599b817799a69f0590fd38e6e7a9d77a518ae2