[INFO] cloning repository https://github.com/tangmi/really-small-font
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tangmi/really-small-font" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangmi%2Freally-small-font", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangmi%2Freally-small-font'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eabef5a815fedb41cc6cf3c3ba131822615ac240
[INFO] checking tangmi/really-small-font against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangmi%2Freally-small-font" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tangmi/really-small-font on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tangmi/really-small-font
[INFO] finished tweaking git repo https://github.com/tangmi/really-small-font
[INFO] tweaked toml for git repo https://github.com/tangmi/really-small-font written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tangmi/really-small-font 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tangmi/really-small-font against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangmi%2Freally-small-font" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tangmi/really-small-font on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tangmi/really-small-font
[INFO] finished tweaking git repo https://github.com/tangmi/really-small-font
[INFO] tweaked toml for git repo https://github.com/tangmi/really-small-font written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tangmi/really-small-font 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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 az v1.1.2
[INFO] [stderr]   Downloaded bitmap-font v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92398d8ba6a9c191b357150f7b3f9235003729019498c6e52c110baa11817b1b
[INFO] running `Command { std: "docker" "start" "-a" "92398d8ba6a9c191b357150f7b3f9235003729019498c6e52c110baa11817b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92398d8ba6a9c191b357150f7b3f9235003729019498c6e52c110baa11817b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92398d8ba6a9c191b357150f7b3f9235003729019498c6e52c110baa11817b1b", kill_on_drop: false }`
[INFO] [stdout] 92398d8ba6a9c191b357150f7b3f9235003729019498c6e52c110baa11817b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d35a5c51811a5934abd7829ca34bc25fae4003e630a48c85e56b41706bca80a
[INFO] running `Command { std: "docker" "start" "-a" "4d35a5c51811a5934abd7829ca34bc25fae4003e630a48c85e56b41706bca80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling embedded-graphics-core v0.3.3
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling embedded-graphics v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]     Checking bitmap-font v0.2.1
[INFO] [stderr]    Compiling really-small-font v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `really-small-font v0.1.0 (/opt/rustwide/workdir)`
[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/really-small-font-0e5b5d8ab04a7fc2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:107:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d69157191c - std::backtrace_rs::backtrace::libunwind::trace::h9789de5fcc494f39
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55d69157191c - std::backtrace_rs::backtrace::trace_unsynchronized::ha6083f64b534560a
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d69157191c - std::sys_common::backtrace::_print_fmt::hca82da572808fb58
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55d69157191c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb2ed8d6897c333a
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d691596000 - core::fmt::rt::Argument::fmt::h250ce007264abde4
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55d691596000 - core::fmt::write::he9913548e4982ad0
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55d69156fbcf - std::io::Write::write_fmt::h1e4c28dcba2b3367
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55d691571704 - std::sys_common::backtrace::_print::he7a042d62e9ec33d
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55d691571704 - std::sys_common::backtrace::print::h40fa6d4a866b97b4
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55d691572c17 - std::panicking::default_hook::{{closure}}::h7f0560eafc245a7c
[INFO] [stderr]     10:     0x55d69157297f - std::panicking::default_hook::hfd695e1920cd982e
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55d691573098 - std::panicking::rust_panic_with_hook::hc0fcd647af5eb061
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55d691572f7e - std::panicking::begin_panic_handler::{{closure}}::hbd1eb336070930d3
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55d691571de6 - std::sys_common::backtrace::__rust_end_short_backtrace::h1eefd8026e5b6577
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55d691572ce2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55d69149c655 - core::panicking::panic_fmt::h178e74ce775be6d6
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55d69149cc03 - core::result::unwrap_failed::h33a01bede1ae29a2
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55d6914a0413 - core::result::Result<T,E>::unwrap::ha1de347b9ccd852b
[INFO] [stderr]     18:     0x55d6914a13f3 - build_script_build::main::ha2db1d6e5aa6ef38
[INFO] [stderr]     19:     0x55d6914a4703 - core::ops::function::FnOnce::call_once::h88f6dcf4813cb023
[INFO] [stderr]     20:     0x55d6914a43f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd454b680a2d92de9
[INFO] [stderr]     21:     0x55d6914a4449 - std::rt::lang_start::{{closure}}::h893f4e14c61c0982
[INFO] [stderr]     22:     0x55d69156c997 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd85bd4e6518d0bb8
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55d69156c997 - std::panicking::try::do_call::h7f13924d4fb67a0d
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55d69156c997 - std::panicking::try::h9e27be4af101a30d
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55d69156c997 - std::panic::catch_unwind::h3519b91c36f56574
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55d69156c997 - std::rt::lang_start_internal::{{closure}}::hb39bed8b01a0a169
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55d69156c997 - std::panicking::try::do_call::hfbc1ccc440a3db03
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55d69156c997 - std::panicking::try::h02821aa69a013e27
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55d69156c997 - std::panic::catch_unwind::hed6681082d7b3d4e
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55d69156c997 - std::rt::lang_start_internal::hbff7c6fd005b9bf2
[INFO] [stderr]                                  at /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55d6914a4427 - std::rt::lang_start::h856c8fa7a780cb03
[INFO] [stderr]     32:     0x55d6914a27f5 - main
[INFO] [stderr]     33:     0x7f65fd51fd90 - <unknown>
[INFO] [stderr]     34:     0x7f65fd51fe40 - __libc_start_main
[INFO] [stderr]     35:     0x55d69149cf05 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4d35a5c51811a5934abd7829ca34bc25fae4003e630a48c85e56b41706bca80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d35a5c51811a5934abd7829ca34bc25fae4003e630a48c85e56b41706bca80a", kill_on_drop: false }`
[INFO] [stdout] 4d35a5c51811a5934abd7829ca34bc25fae4003e630a48c85e56b41706bca80a