[INFO] cloning repository https://github.com/merlinlab/merlin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merlinlab/merlin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinlab%2Fmerlin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinlab%2Fmerlin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a4d2d7ad5500f72ce5fa5bce0b6831ccdcfdae
[INFO] checking merlinlab/merlin against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinlab%2Fmerlin" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/merlinlab/merlin
[INFO] finished tweaking git repo https://github.com/merlinlab/merlin
[INFO] tweaked toml for git repo https://github.com/merlinlab/merlin written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/merlinlab/merlin on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/merlinlab/merlin 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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 bitflags v0.3.3
[INFO] [stderr]   Downloaded ffmpeg-sys v2.8.9
[INFO] [stderr]   Downloaded ffmpeg v0.2.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7775fab6165888ab3b6d781c84160ee7d8efd3e01abc1611a95aed7d6a82b773
[INFO] running `Command { std: "docker" "start" "-a" "7775fab6165888ab3b6d781c84160ee7d8efd3e01abc1611a95aed7d6a82b773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7775fab6165888ab3b6d781c84160ee7d8efd3e01abc1611a95aed7d6a82b773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7775fab6165888ab3b6d781c84160ee7d8efd3e01abc1611a95aed7d6a82b773", kill_on_drop: false }`
[INFO] [stdout] 7775fab6165888ab3b6d781c84160ee7d8efd3e01abc1611a95aed7d6a82b773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a2f630b218c0cd7fbbbed8eb7961a9e4b0ca913d75383ca8ce9d43778e913f
[INFO] running `Command { std: "docker" "start" "-a" "51a2f630b218c0cd7fbbbed8eb7961a9e4b0ca913d75383ca8ce9d43778e913f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling ffmpeg-sys v2.8.9
[INFO] [stderr] error: failed to run custom build command for `ffmpeg-sys v2.8.9`
[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/ffmpeg-sys-539fd15374cc7445/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   check.c:595:26: fatal error: libavresample/avresample.h: No such file or directory
[INFO] [stderr]     595 |                 #include <libavresample/avresample.h>
[INFO] [stderr]         |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (105) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ffmpeg-sys-2.8.9/build.rs:267:9:
[INFO] [stderr]   Compile failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58788d4ab27a - std[c6da210d58aa9d7]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58788d4ab27a - std[c6da210d58aa9d7]::backtrace_rs::backtrace::trace_unsynchronized::<std[c6da210d58aa9d7]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58788d4ab27a - std[c6da210d58aa9d7]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x58788d4ab27a - <<std[c6da210d58aa9d7]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[be1c2bd9f33a0d25]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x58788d4bdc5a - <core[be1c2bd9f33a0d25]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x58788d4bdc5a - core[be1c2bd9f33a0d25]::fmt::write
[INFO] [stderr]      6:     0x58788d4af482 - std[c6da210d58aa9d7]::io::default_write_fmt::<std[c6da210d58aa9d7]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x58788d4af482 - <std[c6da210d58aa9d7]::sys::stdio::unix::Stderr as std[c6da210d58aa9d7]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x58788d48fd5f - <std[c6da210d58aa9d7]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x58788d48fd5f - std[c6da210d58aa9d7]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x58788d4a6ed1 - std[c6da210d58aa9d7]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x58788d4a708b - std[c6da210d58aa9d7]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x58788d48f34c - std[c6da210d58aa9d7]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:762:9
[INFO] [stderr]     13:     0x58788d485059 - std[c6da210d58aa9d7]::sys::backtrace::__rust_end_short_backtrace::<std[c6da210d58aa9d7]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x58788d4828b0 - std[c6da210d58aa9d7]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:761:5
[INFO] [stderr]     15:     0x58788d468d55 - build_script_build[b275b63c15301ccf]::check_features
[INFO] [stderr]     16:     0x58788d46df3b - build_script_build[b275b63c15301ccf]::main
[INFO] [stderr]     17:     0x58788d476f43 - <fn() as core[be1c2bd9f33a0d25]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     18:     0x58788d4751f6 - std[c6da210d58aa9d7]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     19:     0x58788d472789 - std[c6da210d58aa9d7]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     20:     0x58788d4a6114 - <&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync as core[be1c2bd9f33a0d25]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x58788d4a6114 - std[c6da210d58aa9d7]::panicking::catch_unwind::do_call::<&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:581:40
[INFO] [stderr]     22:     0x58788d4a6114 - std[c6da210d58aa9d7]::panicking::catch_unwind::<i32, &dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:544:19
[INFO] [stderr]     23:     0x58788d4a6114 - std[c6da210d58aa9d7]::panic::catch_unwind::<&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x58788d4a6114 - std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x58788d4a6114 - std[c6da210d58aa9d7]::panicking::catch_unwind::do_call::<std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x58788d4a6114 - std[c6da210d58aa9d7]::panicking::catch_unwind::<isize, std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x58788d4a6114 - std[c6da210d58aa9d7]::panic::catch_unwind::<std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x58788d4a6114 - std[c6da210d58aa9d7]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x58788d4723d1 - std[c6da210d58aa9d7]::rt::lang_start::<()>
[INFO] [stderr]     30:     0x58788d471de5 - main
[INFO] [stderr]     31:     0x7c8b37ecd1ca - <unknown>
[INFO] [stderr]     32:     0x7c8b37ecd28b - __libc_start_main
[INFO] [stderr]     33:     0x58788d465095 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "51a2f630b218c0cd7fbbbed8eb7961a9e4b0ca913d75383ca8ce9d43778e913f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a2f630b218c0cd7fbbbed8eb7961a9e4b0ca913d75383ca8ce9d43778e913f", kill_on_drop: false }`
[INFO] [stdout] 51a2f630b218c0cd7fbbbed8eb7961a9e4b0ca913d75383ca8ce9d43778e913f
