[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#c5af0610196bc39c44e54f1e08bd9149bdc66929 for pr-118120
[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 c5af0610196bc39c44e54f1e08bd9149bdc66929
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "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" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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#a832c07a2bcc7587230eb0706f83d1d602ae5c2b for pr-118120
[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 a832c07a2bcc7587230eb0706f83d1d602ae5c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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
[INFO] checking tangmi/really-small-font against try#a832c07a2bcc7587230eb0706f83d1d602ae5c2b for pr-118120
[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 a832c07a2bcc7587230eb0706f83d1d602ae5c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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 assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5e29ffdbad908e16ec7a78c604319f68ecea18ce812964a7e6da82a7b38d4c
[INFO] running `Command { std: "docker" "start" "-a" "2d5e29ffdbad908e16ec7a78c604319f68ecea18ce812964a7e6da82a7b38d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5e29ffdbad908e16ec7a78c604319f68ecea18ce812964a7e6da82a7b38d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5e29ffdbad908e16ec7a78c604319f68ecea18ce812964a7e6da82a7b38d4c", kill_on_drop: false }`
[INFO] [stdout] 2d5e29ffdbad908e16ec7a78c604319f68ecea18ce812964a7e6da82a7b38d4c
[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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5fbdb71ed851c04f3011309c51a09860a3d4a0462d45b4021ca7f3f5faac4e3
[INFO] running `Command { std: "docker" "start" "-a" "c5fbdb71ed851c04f3011309c51a09860a3d4a0462d45b4021ca7f3f5faac4e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking bitmap-font v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[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:     0x55aab6044aec - std::backtrace_rs::backtrace::libunwind::trace::hab878932b7df49aa
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55aab6044aec - std::backtrace_rs::backtrace::trace_unsynchronized::h94702523da7eabfd
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55aab6044aec - std::sys_common::backtrace::_print_fmt::h7384ee0413ff4607
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55aab6044aec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h980ba6a1f3ac0e0b
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55aab60692e0 - core::fmt::rt::Argument::fmt::h8a8b0a73c53deb84
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55aab60692e0 - core::fmt::write::h1c937eea38d9f81a
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55aab6042d0f - std::io::Write::write_fmt::h01ae2112aa0c236e
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]      7:     0x55aab60448d4 - std::sys_common::backtrace::_print::h3b4d6b487ba73afb
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55aab60448d4 - std::sys_common::backtrace::print::h3bc453874273ec11
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55aab6045de7 - std::panicking::default_hook::{{closure}}::h043b55c2f9f05a8c
[INFO] [stderr]     10:     0x55aab6045b4f - std::panicking::default_hook::h4a79ed9078a331dc
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55aab6046268 - std::panicking::rust_panic_with_hook::hd94d657be74ece8f
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55aab604614e - std::panicking::begin_panic_handler::{{closure}}::h76a261feb6cccfcd
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55aab6044fb6 - std::sys_common::backtrace::__rust_end_short_backtrace::hbb7287c228a925ae
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55aab6045eb2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55aab5f6e655 - core::panicking::panic_fmt::h93db01c1538d87f9
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55aab5f6ebe3 - core::result::unwrap_failed::h9d1695b25248f182
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55aab5f723c3 - core::result::Result<T,E>::unwrap::h3b1aa2402744c432
[INFO] [stderr]     18:     0x55aab5f73683 - build_script_build::main::hf0abda5b7ead5513
[INFO] [stderr]     19:     0x55aab5f71a93 - core::ops::function::FnOnce::call_once::hebce532e89812201
[INFO] [stderr]     20:     0x55aab5f76626 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5e5c0c79e30bc5be
[INFO] [stderr]     21:     0x55aab5f76679 - std::rt::lang_start::{{closure}}::he041a4903deec8c4
[INFO] [stderr]     22:     0x55aab603fc87 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7dfdc2284e5a864e
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55aab603fc87 - std::panicking::try::do_call::h646723e9f628787e
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55aab603fc87 - std::panicking::try::h3d7d1938a9420752
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55aab603fc87 - std::panic::catch_unwind::h5507656a5cf40ff2
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55aab603fc87 - std::rt::lang_start_internal::{{closure}}::hd667ba2c23dd316f
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55aab603fc87 - std::panicking::try::do_call::hf0bf4466c9a8418b
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55aab603fc87 - std::panicking::try::he6d72bcd465806ab
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55aab603fc87 - std::panic::catch_unwind::h4cbf4f1e0a20337e
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55aab603fc87 - std::rt::lang_start_internal::h11a1cdc8acc3403f
[INFO] [stderr]                                  at /rustc/a832c07a2bcc7587230eb0706f83d1d602ae5c2b/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55aab5f76657 - std::rt::lang_start::h63052cdf16db482c
[INFO] [stderr]     32:     0x55aab5f74a85 - main
[INFO] [stderr]     33:     0x7f903fde2d90 - <unknown>
[INFO] [stderr]     34:     0x7f903fde2e40 - __libc_start_main
[INFO] [stderr]     35:     0x55aab5f6eee5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c5fbdb71ed851c04f3011309c51a09860a3d4a0462d45b4021ca7f3f5faac4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fbdb71ed851c04f3011309c51a09860a3d4a0462d45b4021ca7f3f5faac4e3", kill_on_drop: false }`
[INFO] [stdout] c5fbdb71ed851c04f3011309c51a09860a3d4a0462d45b4021ca7f3f5faac4e3