[INFO] fetching crate rustdemo 0.1.0... [INFO] checking rustdemo-0.1.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustdemo 0.1.0 [INFO] finished tweaking crates.io crate rustdemo 0.1.0 [INFO] tweaked toml for crates.io crate rustdemo 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] de9b829cf5ad4056ed7c12a38c4331bc3bd0d16c1ee06f579be36d004ccad97d [INFO] running `Command { std: "docker" "start" "-a" "de9b829cf5ad4056ed7c12a38c4331bc3bd0d16c1ee06f579be36d004ccad97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de9b829cf5ad4056ed7c12a38c4331bc3bd0d16c1ee06f579be36d004ccad97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de9b829cf5ad4056ed7c12a38c4331bc3bd0d16c1ee06f579be36d004ccad97d", kill_on_drop: false }` [INFO] [stdout] de9b829cf5ad4056ed7c12a38c4331bc3bd0d16c1ee06f579be36d004ccad97d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d32efc04347afcd9a46af091bbdd68cb321254a95657d78a8ddfe454218aefa [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" "8d32efc04347afcd9a46af091bbdd68cb321254a95657d78a8ddfe454218aefa", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] error: failed to run custom build command for `rustdemo v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustdemo-3f391c61f653e29b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562a4e2c3450 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562a4e2c3450 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562a4e2c3450 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562a4e2c3450 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562a4e2dd82f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x562a4e2c1d35 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x562a4e2c508b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562a4e2c508b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562a4e2c508b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x562a4e2c4b6d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x562a4e2c563d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x562a4e2c5237 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x562a4e2c390c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562a4e2c5199 - rust_begin_unwind [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x562a4e2a9dd1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x562a4e2a9e63 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x562a4e2ac2ba - core::result::Result::unwrap::h3d85971527c5a72e [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x562a4e2aaff2 - build_script_build::main::h5ff3f02bcb07b750 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9:17 [INFO] [stderr] 18: 0x562a4e2ab49b - core::ops::function::FnOnce::call_once::h7cb4ce7cf50251e2 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x562a4e2ac0ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd0854d599febbe03 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x562a4e2ab3b1 - std::rt::lang_start::{{closure}}::ha9fe4328aa804a8d [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x562a4e2c5a3a - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562a4e2c5a3a - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x562a4e2c5a3a - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x562a4e2c5a3a - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x562a4e2c5a3a - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x562a4e2ab390 - std::rt::lang_start::hc9f0edf94a035e76 [INFO] [stderr] at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x562a4e2ab2ac - main [INFO] [stderr] 28: 0x7f3f763b60b3 - __libc_start_main [INFO] [stderr] 29: 0x562a4e2aa4ce - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8d32efc04347afcd9a46af091bbdd68cb321254a95657d78a8ddfe454218aefa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d32efc04347afcd9a46af091bbdd68cb321254a95657d78a8ddfe454218aefa", kill_on_drop: false }` [INFO] [stdout] 8d32efc04347afcd9a46af091bbdd68cb321254a95657d78a8ddfe454218aefa