[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#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fmagic-in-ten-mins-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/rylev/compile-fail` [INFO] [stderr] Updating git repository `https://github.com/pnkfelix/tango.git` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78cf06f9a40c60c082bf4732744f7202c7a8389149d0bb342dc515491d35c57c [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" "78cf06f9a40c60c082bf4732744f7202c7a8389149d0bb342dc515491d35c57c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78cf06f9a40c60c082bf4732744f7202c7a8389149d0bb342dc515491d35c57c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78cf06f9a40c60c082bf4732744f7202c7a8389149d0bb342dc515491d35c57c", kill_on_drop: false }` [INFO] [stdout] 78cf06f9a40c60c082bf4732744f7202c7a8389149d0bb342dc515491d35c57c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a955a668372c4ac1603fd489cc278e39685871f4a917aa2442022b546f83ba8 [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" "7a955a668372c4ac1603fd489cc278e39685871f4a917aa2442022b546f83ba8", kill_on_drop: false }` [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.2.1 [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 cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling idna v0.1.5 [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-7586a31acad7a5a3/build-script-build` (exit code: 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/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/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/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/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/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/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/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/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/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/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/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/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] 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] --- 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: 0x565086f5ced0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x565086f5ced0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x565086f5ced0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x565086f5ced0 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x565086f74f5c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x565086f59f02 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x565086f5ecc5 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x565086f5ecc5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x565086f5ecc5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x565086f5e773 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x565086f5f461 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x565086f5efa7 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x565086f5d36c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x565086f5ef09 - rust_begin_unwind [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x565086f74331 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x565086f74153 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x565086ef937d - core::result::Result::unwrap::h4ea3aaa3e0a33999 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x565086ef92c2 - build_script_build::main::h5aaf4fd7e2a1d4ee [INFO] [stderr] at /opt/rustwide/workdir/build.rs:3:13 [INFO] [stderr] 18: 0x565086ef91bb - core::ops::function::FnOnce::call_once::h0679e7554e0b39f6 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x565086ef921e - std::sys_common::backtrace::__rust_begin_short_backtrace::hea0d539ec5103ac7 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x565086ef9431 - std::rt::lang_start::{{closure}}::h90dc8658ad88ce67 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x565086f5f887 - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x565086f5f887 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x565086f5f887 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x565086f5f887 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x565086f5f887 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x565086ef9407 - std::rt::lang_start::hda79a8ce014df1a4 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x565086ef92fa - main [INFO] [stderr] 28: 0x7fb2d08230b3 - __libc_start_main [INFO] [stderr] 29: 0x565086ef90ce - _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" "7a955a668372c4ac1603fd489cc278e39685871f4a917aa2442022b546f83ba8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a955a668372c4ac1603fd489cc278e39685871f4a917aa2442022b546f83ba8", kill_on_drop: false }` [INFO] [stdout] 7a955a668372c4ac1603fd489cc278e39685871f4a917aa2442022b546f83ba8