[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] d7b2d8fe946cf39ae771d1b85d5957116046bc48
[INFO] documenting PhotonQuantum/magic-in-ten-mins-rs against 1.75.0 for beta-1.76-rustdoc-1
[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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhotonQuantum/magic-in-ten-mins-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e72eb6d86b5964a10315b62fba5b3a45a4ff043259a3d53e6b7713045849c429
[INFO] running `Command { std: "docker" "start" "-a" "e72eb6d86b5964a10315b62fba5b3a45a4ff043259a3d53e6b7713045849c429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e72eb6d86b5964a10315b62fba5b3a45a4ff043259a3d53e6b7713045849c429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72eb6d86b5964a10315b62fba5b3a45a4ff043259a3d53e6b7713045849c429", kill_on_drop: false }`
[INFO] [stdout] e72eb6d86b5964a10315b62fba5b3a45a4ff043259a3d53e6b7713045849c429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71883761110eeb872ae325139040fd62919e515b111f3b4cea6d4d646f3fb3b5
[INFO] running `Command { std: "docker" "start" "-a" "71883761110eeb872ae325139040fd62919e515b111f3b4cea6d4d646f3fb3b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[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 percent-encoding v1.0.1
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[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 filetime v0.1.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[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] 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/magic-in-ten-mins-rs-f8d896e555f1a485/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/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/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/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/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/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/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/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/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/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/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/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]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:2:27:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x555eb876271c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x555eb876271c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x555eb876271c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x555eb876271c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x555eb8782ff0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x555eb8782ff0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x555eb876065f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]      7:     0x555eb8762504 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x555eb8762504 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x555eb8763a17 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]     10:     0x555eb876377f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x555eb8763e98 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x555eb8763d7e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x555eb8762be6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]     14:     0x555eb8763ae2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x555eb871b2f5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x555eb871b753 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stderr]     17:     0x555eb871c11f - core::result::Result<T,E>::unwrap::h211d5425da324233
[INFO] [stderr]     18:     0x555eb871c523 - build_script_build::main::h55611a44a44a3726
[INFO] [stderr]     19:     0x555eb871bfa3 - core::ops::function::FnOnce::call_once::h0a9a537140251f3d
[INFO] [stderr]     20:     0x555eb871bae6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb73087f8585f3066
[INFO] [stderr]     21:     0x555eb871bb39 - std::rt::lang_start::{{closure}}::h6fa9e9bf584fbe34
[INFO] [stderr]     22:     0x555eb875d3d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x555eb875d3d7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x555eb875d3d7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x555eb875d3d7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x555eb875d3d7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x555eb875d3d7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x555eb875d3d7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x555eb875d3d7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x555eb875d3d7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x555eb871bb17 - std::rt::lang_start::h8944107afbe86d93
[INFO] [stderr]     32:     0x555eb871c545 - main
[INFO] [stderr]     33:     0x7f1a47380d90 - <unknown>
[INFO] [stderr]     34:     0x7f1a47380e40 - __libc_start_main
[INFO] [stderr]     35:     0x555eb871ba15 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "71883761110eeb872ae325139040fd62919e515b111f3b4cea6d4d646f3fb3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71883761110eeb872ae325139040fd62919e515b111f3b4cea6d4d646f3fb3b5", kill_on_drop: false }`
[INFO] [stdout] 71883761110eeb872ae325139040fd62919e515b111f3b4cea6d4d646f3fb3b5
