[INFO] cloning repository https://github.com/j-tai/better-console
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-tai/better-console" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-tai%2Fbetter-console", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-tai%2Fbetter-console'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24c27125643be1f8b5baaa2071c21ad445358b56
[INFO] testing j-tai/better-console against try#bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b for pr-154756
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-tai%2Fbetter-console" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/j-tai/better-console
[INFO] finished tweaking git repo https://github.com/j-tai/better-console
[INFO] tweaked toml for git repo https://github.com/j-tai/better-console written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j-tai/better-console on toolchain bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j-tai/better-console 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" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 216a976f5a9426f555e586764798f1b8745721a094556eeea793ee70f874739a
[INFO] running `Command { std: "docker" "start" "-a" "216a976f5a9426f555e586764798f1b8745721a094556eeea793ee70f874739a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216a976f5a9426f555e586764798f1b8745721a094556eeea793ee70f874739a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216a976f5a9426f555e586764798f1b8745721a094556eeea793ee70f874739a", kill_on_drop: false }`
[INFO] [stdout] 216a976f5a9426f555e586764798f1b8745721a094556eeea793ee70f874739a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef78cb9a694fdb783baf6eb68594f84e4597230ce64b606ed117a30ee15c536
[INFO] running `Command { std: "docker" "start" "-a" "fef78cb9a694fdb783baf6eb68594f84e4597230ce64b606ed117a30ee15c536", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termbox-sys v0.2.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling bitflags v0.2.1
[INFO] [stderr] error: failed to run custom build command for `termbox-sys v0.2.12`
[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/termbox-sys-f0d19719acab5532/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: cd "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.12" && "rm" "-rf" ".termbox"
[INFO] [stderr]   running: cd "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.12" && "git" "clone" "https://github.com/nsf/termbox" ".termbox"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: could not create work tree dir '.termbox': Read-only file system
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (437) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.12/build.rs:91:5:
[INFO] [stderr]   assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x59744810587a - std[9220c7eebac9ee98]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x59744810587a - std[9220c7eebac9ee98]::backtrace_rs::backtrace::trace_unsynchronized::<std[9220c7eebac9ee98]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x59744810587a - std[9220c7eebac9ee98]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x59744810587a - <<std[9220c7eebac9ee98]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c038f26966ff13a]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5974481180da - <core[c038f26966ff13a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5974481180da - core[c038f26966ff13a]::fmt::write
[INFO] [stderr]      6:     0x59744810ac72 - std[9220c7eebac9ee98]::io::default_write_fmt::<std[9220c7eebac9ee98]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x59744810ac72 - <std[9220c7eebac9ee98]::sys::stdio::unix::Stderr as std[9220c7eebac9ee98]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5974480eb1ff - <std[9220c7eebac9ee98]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5974480eb1ff - std[9220c7eebac9ee98]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5974481014b1 - std[9220c7eebac9ee98]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x59744810166b - std[9220c7eebac9ee98]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5974480eb2ea - std[9220c7eebac9ee98]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x5974480e0599 - std[9220c7eebac9ee98]::sys::backtrace::__rust_end_short_backtrace::<std[9220c7eebac9ee98]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5974480ebcdd - __rustc[db5ee5825a353f5e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5974481187cc - core[c038f26966ff13a]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x597448118792 - core[c038f26966ff13a]::panicking::panic
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x5974480d1619 - build_script_build[b198a9523d793760]::run
[INFO] [stderr]     18:     0x5974480d20fe - build_script_build[b198a9523d793760]::setup
[INFO] [stderr]     19:     0x5974480d1a81 - build_script_build[b198a9523d793760]::main
[INFO] [stderr]     20:     0x5974480d0563 - <fn() as core[c038f26966ff13a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5974480d1176 - std[9220c7eebac9ee98]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5974480d1439 - std[9220c7eebac9ee98]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5974481006f4 - <&dyn core[c038f26966ff13a]::ops::function::Fn<(), Output = i32> + core[c038f26966ff13a]::panic::unwind_safe::RefUnwindSafe + core[c038f26966ff13a]::marker::Sync as core[c038f26966ff13a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5974481006f4 - std[9220c7eebac9ee98]::panicking::catch_unwind::do_call::<&dyn core[c038f26966ff13a]::ops::function::Fn<(), Output = i32> + core[c038f26966ff13a]::panic::unwind_safe::RefUnwindSafe + core[c038f26966ff13a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5974481006f4 - std[9220c7eebac9ee98]::panicking::catch_unwind::<i32, &dyn core[c038f26966ff13a]::ops::function::Fn<(), Output = i32> + core[c038f26966ff13a]::panic::unwind_safe::RefUnwindSafe + core[c038f26966ff13a]::marker::Sync>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5974481006f4 - std[9220c7eebac9ee98]::panic::catch_unwind::<&dyn core[c038f26966ff13a]::ops::function::Fn<(), Output = i32> + core[c038f26966ff13a]::panic::unwind_safe::RefUnwindSafe + core[c038f26966ff13a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5974481006f4 - std[9220c7eebac9ee98]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5974481006f4 - std[9220c7eebac9ee98]::panicking::catch_unwind::do_call::<std[9220c7eebac9ee98]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5974481006f4 - std[9220c7eebac9ee98]::panicking::catch_unwind::<isize, std[9220c7eebac9ee98]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5974481006f4 - std[9220c7eebac9ee98]::panic::catch_unwind::<std[9220c7eebac9ee98]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5974481006f4 - std[9220c7eebac9ee98]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5974480d0f71 - std[9220c7eebac9ee98]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5974480d4395 - main
[INFO] [stderr]     34:     0x77ae2d36c1ca - <unknown>
[INFO] [stderr]     35:     0x77ae2d36c28b - __libc_start_main
[INFO] [stderr]     36:     0x5974480cba35 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fef78cb9a694fdb783baf6eb68594f84e4597230ce64b606ed117a30ee15c536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef78cb9a694fdb783baf6eb68594f84e4597230ce64b606ed117a30ee15c536", kill_on_drop: false }`
[INFO] [stdout] fef78cb9a694fdb783baf6eb68594f84e4597230ce64b606ed117a30ee15c536