[INFO] fetching crate caca 0.1.0...
[INFO] checking caca-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate caca 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate caca 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caca 0.1.0
[INFO] finished tweaking crates.io crate caca 0.1.0
[INFO] tweaked toml for crates.io crate caca 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-3/source/src/caca.rs` was erroneously implicitly accepted for library `caca`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b5c3d0b9b5f52038df28aee8c1729b315ea0959d4a3133e2d0d82c1cb5be6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55b5c3d0b9b5f52038df28aee8c1729b315ea0959d4a3133e2d0d82c1cb5be6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b5c3d0b9b5f52038df28aee8c1729b315ea0959d4a3133e2d0d82c1cb5be6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b5c3d0b9b5f52038df28aee8c1729b315ea0959d4a3133e2d0d82c1cb5be6b", kill_on_drop: false }`
[INFO] [stdout] 55b5c3d0b9b5f52038df28aee8c1729b315ea0959d4a3133e2d0d82c1cb5be6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7264aa2c61fd5910f7aecce1d91316c1ce3397ff09bf28856b2299987ea421d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7264aa2c61fd5910f7aecce1d91316c1ce3397ff09bf28856b2299987ea421d0", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/caca.rs` was erroneously implicitly accepted for library `caca`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling caca-sys v0.1.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr] error: failed to run custom build command for `caca-sys v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/caca-sys-73db0d6a96e4a934/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: "git" "clone" "https://github.com/cacalabs/libcaca" ".libcaca"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: could not create work tree dir '.libcaca': Read-only file system
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:115:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d0832fc050 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d0832fc050 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d0832fc050 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55d0832fc050 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he74e98acff43ec99
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55d08331959c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55d0832fa227 - std::io::Write::write_fmt::hea6289e6649ff508
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55d0832fe160 - std::sys_common::backtrace::_print::h8cc65937fea24014
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d0832fe160 - std::sys_common::backtrace::print::hff6a0ebb96535e34
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d0832fe160 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55d0832fdeac - std::panicking::default_hook::h0c46e634c06c69b6
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55d0832fe7c3 - std::panicking::rust_panic_with_hook::he52576a0c2093334
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55d0832e3a58 - std::panicking::begin_panic::{{closure}}::h6fb18672521359cd
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x55d0832e4b68 - std::sys_common::backtrace::__rust_end_short_backtrace::h23710b418f174010
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55d0832e3983 - std::panicking::begin_panic::h12365ee046312046
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x55d0832e2f74 - build_script_build::run::h04c6cdb1f074a4bd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:115
[INFO] [stderr]     15:     0x55d0832e2671 - build_script_build::setup::h5f07b0feae7f7799
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:30
[INFO] [stderr]     16:     0x55d0832e235f - build_script_build::main::h74a66696efd21b25
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:11
[INFO] [stderr]     17:     0x55d0832ddc2b - core::ops::function::FnOnce::call_once::he8c7ac1856bc3c05
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x55d0832e4b9e - std::sys_common::backtrace::__rust_begin_short_backtrace::h87c9c4ef0f78c59a
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x55d0832e42b1 - std::rt::lang_start::{{closure}}::hf7965752a1685dda
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x55d0832febc1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h009d20b8a620bf60
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x55d0832febc1 - std::panicking::try::do_call::h09431c39e2107c90
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:381
[INFO] [stderr]     22:     0x55d0832febc1 - std::panicking::try::he27cf60b958af343
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:345
[INFO] [stderr]     23:     0x55d0832febc1 - std::panic::catch_unwind::h7b646b0041dc5591
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panic.rs:382
[INFO] [stderr]     24:     0x55d0832febc1 - std::rt::lang_start_internal::hdad6c98af1e4747e
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x55d0832e4287 - std::rt::lang_start::h2e97dc87dae167fa
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x55d0832e311a - main
[INFO] [stderr]     27:     0x7f10781b20b3 - __libc_start_main
[INFO] [stderr]     28:     0x55d0832db09e - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7264aa2c61fd5910f7aecce1d91316c1ce3397ff09bf28856b2299987ea421d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7264aa2c61fd5910f7aecce1d91316c1ce3397ff09bf28856b2299987ea421d0", kill_on_drop: false }`
[INFO] [stdout] 7264aa2c61fd5910f7aecce1d91316c1ce3397ff09bf28856b2299987ea421d0