[INFO] cloning repository https://github.com/PhotonQuantum/magic-in-ten-mins-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhotonQuantum/magic-in-ten-mins-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fmagic-in-ten-mins-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fmagic-in-ten-mins-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d3fbf24bbdd7ae47aecae32013803f57a654cd2e [INFO] checking PhotonQuantum/magic-in-ten-mins-rs against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fmagic-in-ten-mins-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs [INFO] finished tweaking git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs [INFO] tweaked toml for git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/rylev/compile-fail` [INFO] [stderr] Updating git repository `https://github.com/pnkfelix/tango.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded filetime v0.1.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a84f8f3c7f0c142a5659c1fcbf3c000d176fd12f7e1d8e5f3ddc361e825628b1 [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" "a84f8f3c7f0c142a5659c1fcbf3c000d176fd12f7e1d8e5f3ddc361e825628b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a84f8f3c7f0c142a5659c1fcbf3c000d176fd12f7e1d8e5f3ddc361e825628b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a84f8f3c7f0c142a5659c1fcbf3c000d176fd12f7e1d8e5f3ddc361e825628b1", kill_on_drop: false }` [INFO] [stdout] a84f8f3c7f0c142a5659c1fcbf3c000d176fd12f7e1d8e5f3ddc361e825628b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82c39e79a5cb485c5229b2ca0598e24e072916eb72ba51d9d7d470ae054bac76 [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" "82c39e79a5cb485c5229b2ca0598e24e072916eb72ba51d9d7d470ae054bac76", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling tango v0.8.0 (https://github.com/pnkfelix/tango.git#2f1a7685) [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling magic-in-ten-mins-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `magic-in-ten-mins-rs v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/magic-in-ten-mins-rs-837c8c334aedee6c/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Running tango; no previously recorded run [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] emit rerun if: false [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/lib.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/lib.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/TableDriven.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/TableDriven.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Monoid.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Monoid.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/ChurchE.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/ChurchE.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/StateMonad.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/StateMonad.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/HKT.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/HKT.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Monad.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Monad.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Continuation.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Continuation.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Algeff.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Algeff.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/CoData.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/CoData.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/CHIso.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/CHIso.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Lifting.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/Lifting.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/GADT.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/GADT.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/ADT.md", ext is "md" [INFO] [stderr] [INFO] [stderr] in check_path, the root is: "src" , path is: "src/ADT.rs", ext is "rs" [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: Other, message: "Read-only file system" })', build.rs:3:35 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f3bdf579f0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f3bdf579f0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f3bdf579f0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f3bdf579f0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f3bdf72f8f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55f3bdf55395 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55f3bdf5968b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f3bdf5968b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f3bdf5968b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f3bdf59161 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f3bdf59ca0 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:625:17 [INFO] [stderr] 11: 0x55f3bdf59837 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55f3bdf57e8c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f3bdf59799 - rust_begin_unwind [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55f3bdf03031 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55f3bdf030c3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55f3bdf03a74 - core::result::Result::unwrap::h950141f4d717053e [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55f3bdf039df - build_script_build::main::haeee084749450c4a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:3:13 [INFO] [stderr] 18: 0x55f3bdf038eb - core::ops::function::FnOnce::call_once::hd67e0ce28d5721d1 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55f3bdf0397e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha25e8525c478f3f7 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55f3bdf03951 - std::rt::lang_start::{{closure}}::hde3bd5b6a11323f0 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55f3bdf5a0da - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55f3bdf5a0da - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55f3bdf5a0da - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55f3bdf5a0da - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55f3bdf5a0da - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55f3bdf03930 - std::rt::lang_start::h40967de2d7abbf83 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55f3bdf03a0c - main [INFO] [stderr] 28: 0x7f5f4a5050b3 - __libc_start_main [INFO] [stderr] 29: 0x55f3bdf037ae - _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" "82c39e79a5cb485c5229b2ca0598e24e072916eb72ba51d9d7d470ae054bac76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82c39e79a5cb485c5229b2ca0598e24e072916eb72ba51d9d7d470ae054bac76", kill_on_drop: false }` [INFO] [stdout] 82c39e79a5cb485c5229b2ca0598e24e072916eb72ba51d9d7d470ae054bac76