[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 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangmi%2Freally-small-font" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tangmi/really-small-font on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded bitmap-font v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06
[INFO] running `Command { std: "docker" "start" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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 lazy_static v1.4.0
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[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 num_cpus v1.13.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling embedded-graphics-core v0.3.3
[INFO] [stderr]    Compiling png v0.16.8
[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 embedded-graphics v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking 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-bb76e2229e4dc579/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (910) 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:     0x58ffb3c8e5c1 - std[72a6c6a1ebb772b0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58ffb3c8e5c1 - std[72a6c6a1ebb772b0]::backtrace_rs::backtrace::trace_unsynchronized::<std[72a6c6a1ebb772b0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58ffb3c8e5c1 - std[72a6c6a1ebb772b0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x58ffb3c8e5c1 - <<std[72a6c6a1ebb772b0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[57ab91247ec8248e]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x58ffb3ca210a - <core[57ab91247ec8248e]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x58ffb3ca210a - core[57ab91247ec8248e]::fmt::write
[INFO] [stderr]      6:     0x58ffb3c91f2c - core[57ab91247ec8248e]::io::write::default_write_fmt::<std[72a6c6a1ebb772b0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x58ffb3c91f2c - <std[72a6c6a1ebb772b0]::sys::stdio::unix::Stderr as core[57ab91247ec8248e]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x58ffb3c77276 - <std[72a6c6a1ebb772b0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x58ffb3c77276 - std[72a6c6a1ebb772b0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x58ffb3c8a391 - std[72a6c6a1ebb772b0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x58ffb3c8a54b - std[72a6c6a1ebb772b0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x58ffb3c77322 - std[72a6c6a1ebb772b0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x58ffb3c6f989 - std[72a6c6a1ebb772b0]::sys::backtrace::__rust_end_short_backtrace::<std[72a6c6a1ebb772b0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x58ffb3c77a9d - __rustc[2c4cb41b06c0cc90]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x58ffb3ca28bc - core[57ab91247ec8248e]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x58ffb3ca2612 - core[57ab91247ec8248e]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x58ffb3bc73b1 - build_script_build[ee16e893629f9f83]::main
[INFO] [stderr]     18:     0x58ffb3bcb4c3 - <fn() as core[57ab91247ec8248e]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x58ffb3bc37d6 - std[72a6c6a1ebb772b0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x58ffb3bc6339 - std[72a6c6a1ebb772b0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x58ffb3c89ae7 - <&dyn core[57ab91247ec8248e]::ops::function::Fn<(), Output = i32> + core[57ab91247ec8248e]::marker::Sync + core[57ab91247ec8248e]::panic::unwind_safe::RefUnwindSafe as core[57ab91247ec8248e]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panicking::catch_unwind::do_call::<&dyn core[57ab91247ec8248e]::ops::function::Fn<(), Output = i32> + core[57ab91247ec8248e]::marker::Sync + core[57ab91247ec8248e]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:576:43
[INFO] [stderr]     23:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panicking::catch_unwind::<i32, &dyn core[57ab91247ec8248e]::ops::function::Fn<(), Output = i32> + core[57ab91247ec8248e]::marker::Sync + core[57ab91247ec8248e]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panic::catch_unwind::<&dyn core[57ab91247ec8248e]::ops::function::Fn<(), Output = i32> + core[57ab91247ec8248e]::marker::Sync + core[57ab91247ec8248e]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panicking::catch_unwind::do_call::<std[72a6c6a1ebb772b0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:576:43
[INFO] [stderr]     27:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panicking::catch_unwind::<isize, std[72a6c6a1ebb772b0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::panic::catch_unwind::<std[72a6c6a1ebb772b0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x58ffb3c89ae7 - std[72a6c6a1ebb772b0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x58ffb3bc36d1 - std[72a6c6a1ebb772b0]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x58ffb3bcb575 - main
[INFO] [stderr]     32:     0x771bcc02e601 - <unknown>
[INFO] [stderr]     33:     0x771bcc02e718 - __libc_start_main
[INFO] [stderr]     34:     0x58ffb3bc2825 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06", kill_on_drop: false }`
[INFO] [stdout] 5f4e909da7f3f2fa86bbaac9949bcdb3815d6cc4448c58dd95d0748c6b5eae06
